diff --git a/code/backlog.txt b/code/backlog.txt
index adffaf8d..50ef4f32 100644
--- a/code/backlog.txt
+++ b/code/backlog.txt
@@ -11,6 +11,9 @@ https://github.com/cxong/cdogs-sdl
 https://moaiwebsite.github.io/
 http://cyxdown.free.fr/bs/
 http://cyxdown.free.fr/f2b/
+https://github.com/tlgkccampbell/ultraviolet
+https://github.com/ianfab/Fairy-Stockfish
+https://github.com/tomlooman/SimpleFPSTemplate
 https://github.com/nfprojects/nfengine
 http://dead-code.org/home/
 http://e-adventure.e-ucm.es/login/index.php (games of eAdventure)
diff --git a/code/maintenance_developers.py b/code/maintenance_developers.py
index 4afd2642..27435d1b 100644
--- a/code/maintenance_developers.py
+++ b/code/maintenance_developers.py
@@ -11,13 +11,6 @@ from bs4 import BeautifulSoup
 from utils import constants as c, utils, osg, osg_github
 
 
-def developer_info_lookup(name):
-    for dev in developer_info:
-        if name == dev['Name']:
-            return dev
-    return None
-
-
 # author names in SF that aren't the author names how we have them
 SF_alias_list = {'Erik Johansson (aka feneur)': 'Erik Johansson', 'Itms': 'Nicolas Auvray',
                  'Wraitii': 'Lancelot de Ferrière', 'Simzer': 'Simon Laszlo', 'armin bajramovic': 'Armin Bajramovic'}
@@ -123,46 +116,6 @@ def test():
         # store developer info
         utils.write_text(os.path.join(c.root_path, 'collected_developer_info.txt'), developers)
 
-def compare_entries_developers(entries, developers):
-    """
-    Cross checks the game entries lists and the developers lists.
-    :param entries: List of game entries
-    :param developers: List of developers
-    """
-
-    # from the entries create a dictionary with developer names
-    devs1 = {}
-    for entry in entries:
-        name = entry['Name']
-        for dev in entry.get('developer', []):
-            if dev in devs1:
-                devs1[dev].append(name)
-            else:
-                devs1[dev] = [name]
-    devs1_names = set(devs1.keys())
-
-    # from the developers create a dictionary with developer names
-    devs2 = dict(zip((dev['Name'] for dev in developers), (dev['Games'] for dev in developers)))
-    devs2_names = set(devs2.keys())
-
-    # devs only in entries
-    for dev in devs1_names - devs2_names:
-        print('Warning: dev "{}" only in entries ({}), not in developers'.format(dev, ','.join(devs1[dev])))
-    # devs only in developers
-    for dev in devs2_names - devs1_names:
-        print('Warning: dev "{}" only in developers ({}), not in entries'.format(dev, ','.join(devs2[dev])))
-    # for those in both, check that the games lists are equal
-    for dev in devs1_names.intersection(devs2_names):
-        games1 = set(devs1[dev])
-        games2 = set(devs2[dev])
-        delta = games1 - games2
-        if delta:
-            print('Warning: dev "{}" has games in entries ({}) that are not present in developers'.format(dev,
-                                                                                                          ', '.join(
-                                                                                                              delta)))
-        delta = games2 - games1
-        if delta:
-            print('Warning: dev "{}" has games in developers ({}) that are not present in entries'.format(dev, delta))
 
 
 class DevelopersMaintainer:
diff --git a/code/utils/constants.py b/code/utils/constants.py
index d7684b96..cd73df04 100644
--- a/code/utils/constants.py
+++ b/code/utils/constants.py
@@ -41,6 +41,10 @@ valid_properties = ('Home', 'Media', 'Inspirations', 'State', 'Play', 'Download'
 # only these fields can be used currently (in this order)
 valid_fields = ('File', 'Title') + valid_properties + ('Note', 'Building')
 
+url_fields = ('Home', 'Media', 'Play', 'Download', 'Code repository')
+
+valid_url_prefixes = ('http://', 'https://', 'git://', 'svn://', 'ftp://', 'bzr://', '@see-')
+
 valid_building_properties = ('Build system', 'Build instructions')
 valid_building_fields = valid_building_properties + ('Note',)
 
diff --git a/code/utils/osg.py b/code/utils/osg.py
index cb3af4b3..4a277bbe 100644
--- a/code/utils/osg.py
+++ b/code/utils/osg.py
@@ -534,13 +534,12 @@ def check_and_process_entry(entry):
         d[field] = value
     building = d
 
-    # check valid fields TODO should also check order
+    # check valid fields in building TODO should also check order
     for field in building.keys():
         if field not in valid_building_fields:
             message += 'Building field "{}" invalid\n'.format(field)
     entry['Building'] = building
 
-
     # check canonical file name
     file = entry['File']
     canonical_file_name = canonical_entry_name(entry['Title']) + '.md'
@@ -548,11 +547,38 @@ def check_and_process_entry(entry):
     if canonical_file_name != file and canonical_file_name != file[:-5] + '.md':
         message += 'file name should be {}\n'.format(canonical_file_name)
 
+    # state must contain either beta or mature but not both
+    state = entry['State']
+    for t in state:
+        if t != 'beta' and t != 'mature' and not t.startswith('inactive since '):
+            message += 'Unknown state "{}"'.format(t)
+    if 'beta' in state == 'mature' in state:
+        message += 'State must be one of <"beta", "mature">'
+
+    # check urls
+    for field in url_fields:
+        values = entry.get(field, [])
+        for value in values:
+            if value.value.startswith('<') and value.value.endswith('>'):
+                value.value = value.value[1:-1]
+            if not any(value.startswith(x) for x in valid_url_prefixes):
+                message += 'URL "{}" in field "{}" does not start with a valid prefix'.format(value, field)
+
     if message:
         raise RuntimeError(message)
 
     return entry
 
+def extract_inactive_year(entry):
+    state = entry['State']
+    phrase = 'inactive since '
+    inactive_year = [x[len(phrase):] for x in state if x.startswith(phrase)]
+    assert len(inactive_year) <= 1
+    if inactive_year:
+        return inactive_year[0]
+    else:
+        return None
+
 
 def write_entries(entries):
     """
diff --git a/code/utils/osg_parse.py b/code/utils/osg_parse.py
index ba58188f..72aa5530 100644
--- a/code/utils/osg_parse.py
+++ b/code/utils/osg_parse.py
@@ -14,7 +14,7 @@ class ListingTransformer(lark.Transformer):
     """
 
     def unquoted_value(self, x):
-        return x[0].value
+        return x[0].value.strip()
 
     def quoted_value(self, x):
         return x[0].value[1:-1].strip()  # remove quotation marks and strip whitespaces
@@ -33,7 +33,7 @@ class ListingTransformer(lark.Transformer):
         :param x:
         :return:
         """
-        return 'Name', x[0].value
+        return 'Name', x[0].value.strip()
 
     def entry(self, x):
         """
@@ -56,13 +56,13 @@ class ListingTransformer(lark.Transformer):
 class EntryTransformer(lark.Transformer):
 
     def unquoted_value(self, x):
-        return x[0].value
+        return x[0].value.strip()
 
     def quoted_value(self, x):
-        return x[0].value[1:-1]  # remove quotation marks
+        return x[0].value[1:-1].strip()  # remove quotation marks
 
     def comment_value(self, x):
-        return x[0].value[1:-1]  # remove parenthesis
+        return x[0].value[1:-1].strip()  # remove parenthesis
 
     def value(self, x):
         if len(x) == 1:
@@ -77,10 +77,10 @@ class EntryTransformer(lark.Transformer):
         :param x:
         :return:
         """
-        return x[0].value, x[1:]
+        return x[0].value.strip(), x[1:]
 
     def title(self, x):
-        return 'Title', x[0].value
+        return 'Title', x[0].value.strip()
 
     def note(self, x):
         """
@@ -109,6 +109,12 @@ class ValueWithComment:
         self.value = value
         self.comment = comment
 
+    def is_empty(self):
+        return self.value == ''
+
+    def startswith(self, str):
+        return self.value.startswith(str)
+
     def __contains__(self, item):
         return item in self.value
 
diff --git a/entries/2048.md b/entries/2048.md
index ed1ef0ee..6c2f161f 100644
--- a/entries/2048.md
+++ b/entries/2048.md
@@ -5,7 +5,7 @@
 - Play: https://play2048.co/
 - Platform: Web
 - Keywords: puzzle, sliding blocks
-- Code repository: https://github.com/gabrielecirulli/2048.git, https://github.com/tpcstld/2048.git (+)
+- Code repository: https://github.com/gabrielecirulli/2048.git, https://github.com/tpcstld/2048.git @add
 - Code language: JavaScript
 - Code license: MIT
 - Assets license: MIT (very few assets)
diff --git a/entries/2moons_browsergame_engine.md b/entries/2moons_browsergame_engine.md
index b37af98d..1eedbc6d 100644
--- a/entries/2moons_browsergame_engine.md
+++ b/entries/2moons_browsergame_engine.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/jkroepke/2Moons/releases
 - Platform: Web
 - Keywords: simulation, framework, space, strategy
-- Code repository: https://github.com/jkroepke/2Moons.git (archived), https://github.com/steemnova/steemnova.git (+)
+- Code repository: https://github.com/jkroepke/2Moons.git (archived), https://github.com/steemnova/steemnova.git @add
 - Code language: PHP, JavaScript
 - Code license: MIT
 - Developer: Jan-Otto Kröpke, Ozan Kurt, Hilarious001
diff --git a/entries/3d_pong.md b/entries/3d_pong.md
index f8ce45e1..f5794e86 100644
--- a/entries/3d_pong.md
+++ b/entries/3d_pong.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2004
 - Platform: Linux, macOS
 - Keywords: arcade, online
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Developer: New Breed Software
diff --git a/entries/3dc.md b/entries/3dc.md
index 997c53ce..2b2a2657 100644
--- a/entries/3dc.md
+++ b/entries/3dc.md
@@ -3,7 +3,7 @@
 - Home: https://packages.debian.org/sid/3dchess, http://www.ibiblio.org/pub/Linux/games/strategy/3Dc-0.8.1.tar.gz
 - State: mature, inactive since 2000
 - Keywords: puzzle, board, chess, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: libx, libxpm, xaw3dg
diff --git a/entries/4d_maze_game.md b/entries/4d_maze_game.md
index cdcdc0d8..ad5976f9 100644
--- a/entries/4d_maze_game.md
+++ b/entries/4d_maze_game.md
@@ -3,7 +3,7 @@
 - Home: http://www.urticator.net/maze/
 - State: mature, inactive since 2008
 - Keywords: puzzle, 4D, maze navigation (educational?), open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Java
 - Code license: Public domain
 - Assets license: Public domain
diff --git a/entries/54321.md b/entries/54321.md
index 0f92ed6a..50497481 100644
--- a/entries/54321.md
+++ b/entries/54321.md
@@ -3,7 +3,7 @@
 - Home: http://old.nklein.com/products/54321/
 - State: mature, inactive since 2001
 - Keywords: puzzle, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: Custom (a very simple copyleft see http://old.nklein.com/etc/copyright.php)
 - Code dependencies: libpng, SDL, zlib
diff --git a/entries/a7xpg.md b/entries/a7xpg.md
index 49f929a3..f78c22af 100644
--- a/entries/a7xpg.md
+++ b/entries/a7xpg.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2005
 - Download: https://sourceforge.net/projects/a7xpg/files/a7xpg/
 - Keywords: arcade
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: D
 - Code license: 2-clause BSD
 - Code dependencies: libvorbis, SDL
diff --git a/entries/acm.md b/entries/acm.md
index 3046e9ee..d2d5f604 100644
--- a/entries/acm.md
+++ b/entries/acm.md
@@ -3,7 +3,7 @@
 - Home: https://packages.debian.org/sid/acm, https://web.archive.org/web/20130114223737/http://www.websimulations.com/
 - State: mature, inactive since 2000
 - Keywords: action, flight, open content, simulation
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Assets license: GPL-2.0
diff --git a/entries/adagate.md b/entries/adagate.md
index da3706b0..709fe574 100644
--- a/entries/adagate.md
+++ b/entries/adagate.md
@@ -6,7 +6,7 @@
 - Download: https://github.com/fastrgv/AdaGate/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, 3D
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Code dependencies: OpenGL, SDL2
diff --git a/entries/adanaxis.md b/entries/adanaxis.md
index 3027ab3f..37751faf 100644
--- a/entries/adanaxis.md
+++ b/entries/adanaxis.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20180818173613/http://www.mushware.com/, https://packages.qa.debian.org/a/adanaxisgpl.html
 - State: mature, inactive since 2007
 - Keywords: action, 4D, first-person, open content, shooter, single-player, space
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0 (non-free file in the commercial version)
 - Code dependencies: GLUT
diff --git a/entries/afternoon_stalker.md b/entries/afternoon_stalker.md
index 25f504e3..9034792b 100644
--- a/entries/afternoon_stalker.md
+++ b/entries/afternoon_stalker.md
@@ -6,7 +6,7 @@
 - Download: http://perso.b2b2c.ca/~sarrazip/dev/afternoonstalker.html#download
 - Platform: Linux
 - Keywords: action, clone, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/airstrike.md b/entries/airstrike.md
index ed27eb09..9f415029 100644
--- a/entries/airstrike.md
+++ b/entries/airstrike.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2014
 - Platform: Windows, Linux
 - Keywords: arcade, 2D, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Assets license: GPL-2.0
diff --git a/entries/aklabeth.md b/entries/aklabeth.md
index 68dba22c..2bedb447 100644
--- a/entries/aklabeth.md
+++ b/entries/aklabeth.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2004
 - Download: https://sourceforge.net/projects/aklabeth/files/aklabeth/
 - Keywords: remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Developer: kantharos, Paul Robson
diff --git a/entries/alien_assault_traders.md b/entries/alien_assault_traders.md
index f8a5f0af..eb1904c1 100644
--- a/entries/alien_assault_traders.md
+++ b/entries/alien_assault_traders.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2009
 - Download: https://sourceforge.net/projects/aatrade/files/
 - Keywords: strategy, online
-- Code repository: https://github.com/tarnus/aatraders.git, https://gitlab.com/osgames/aatraders.git (+)
+- Code repository: https://github.com/tarnus/aatraders.git, https://gitlab.com/osgames/aatraders.git @add
 - Code language: PHP
 - Code license: GPL-2.0
 - Developer: Mark Dickenson, Rick Thomson
diff --git a/entries/alive.md b/entries/alive.md
index 9a7d4d39..06877081 100644
--- a/entries/alive.md
+++ b/entries/alive.md
@@ -5,7 +5,7 @@
 - State: beta
 - Platform: Windows, Linux
 - Keywords: action, remake
-- Code repository: https://github.com/AliveTeam/alive_reversing.git, https://github.com/paulsapps/alive.git (+)
+- Code repository: https://github.com/AliveTeam/alive_reversing.git, https://github.com/paulsapps/alive.git @add
 - Code language: C++
 - Code license: MIT
 - Code dependencies: SDL2
diff --git a/entries/amphetamine.md b/entries/amphetamine.md
index cc7005fd..426bb3ef 100644
--- a/entries/amphetamine.md
+++ b/entries/amphetamine.md
@@ -3,7 +3,7 @@
 - Home: https://packages.debian.org/stable/games/amphetamine, https://web.archive.org/web/20101023090423/http://homepage.hispeed.ch/loehrer/amph/amph.html
 - State: beta, inactive since 2008
 - Keywords: platform, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/anagramarama.md b/entries/anagramarama.md
index a3088630..b08592fd 100644
--- a/entries/anagramarama.md
+++ b/entries/anagramarama.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20150412072808/http://www.coralquest.com/anagramarama/
 - State: beta, inactive since 2002
 - Keywords: puzzle, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Assets license: GPL-2.0
diff --git a/entries/antares.md b/entries/antares.md
index 2dd578ec..95e34be8 100644
--- a/entries/antares.md
+++ b/entries/antares.md
@@ -3,7 +3,7 @@
 - Home: https://arescentral.org/antares
 - Inspirations: Ares
 - State: beta
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, real time, remake, shooter
 - Code repository: https://github.com/arescentral/antares.git
 - Code language: C++
diff --git a/entries/apricots.md b/entries/apricots.md
index d6be1e3a..5e44516d 100644
--- a/entries/apricots.md
+++ b/entries/apricots.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20110819212117/http://www.fishies.org.uk/apricots.html
 - State: beta, inactive since 2003
 - Keywords: arcade, 2D, open content, side-scrolling
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/argentum_online.md b/entries/argentum_online.md
index 343576bf..5ae2e83f 100644
--- a/entries/argentum_online.md
+++ b/entries/argentum_online.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2014
 - Download: https://www.comunidadargentum.com/descargas/, https://sourceforge.net/projects/morgoao/files/
 - Keywords: role playing, multiplayer online + massive
-- Code repository: https://github.com/ao-libre/ao-server.git, https://github.com/ao-libre/ao-cliente.git (+), https://github.com/ao-libre/ao-worldeditor.git (+), http://morgoao.cvs.sourceforge.net/ (cvs)
+- Code repository: https://github.com/ao-libre/ao-server.git, https://github.com/ao-libre/ao-cliente.git @add, https://github.com/ao-libre/ao-worldeditor.git @add, http://morgoao.cvs.sourceforge.net/ (cvs)
 - Code language: Visual Basic
 - Code license: GPL-2.0, AGPL-3.0
 
diff --git a/entries/artillery_duel_reloaded.md b/entries/artillery_duel_reloaded.md
index 21d750bf..1dd79223 100644
--- a/entries/artillery_duel_reloaded.md
+++ b/entries/artillery_duel_reloaded.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2012
 - Download: https://code.google.com/archive/p/artillery-duel-reloaded/downloads
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-3.0
 
diff --git a/entries/atomic_tanks.md b/entries/atomic_tanks.md
index 48ed1875..20ece208 100644
--- a/entries/atomic_tanks.md
+++ b/entries/atomic_tanks.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/atanks/files/
 - Platform: Windows, Linux
 - Keywords: action, artillery, open content, remake
-- Code repository: https://git.code.sf.net/p/atanks/atanks, https://gitlab.com/osgames/atanks.git (+)
+- Code repository: https://git.code.sf.net/p/atanks/atanks, https://gitlab.com/osgames/atanks.git @add
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: Allegro
diff --git a/entries/atrinik.md b/entries/atrinik.md
index 909dcdac..b940641a 100644
--- a/entries/atrinik.md
+++ b/entries/atrinik.md
@@ -2,7 +2,7 @@
 
 - Home: https://www.atrinik.org/, https://github.com/atrinik
 - State: mature, inactive since 2016
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing
 - Code repository: https://github.com/atrinik/atrinik.git
 - Code language: C, Python
diff --git a/entries/aussenposten.md b/entries/aussenposten.md
index 2c8d584e..83f74a4b 100644
--- a/entries/aussenposten.md
+++ b/entries/aussenposten.md
@@ -5,7 +5,7 @@
 - Download: http://aussenposten.gamejs.org/download.html
 - Platform: Windows, Linux
 - Keywords: strategy, open content, real time
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: JavaScript
 - Code license: MIT
 - Code dependencies: GameJs
diff --git a/entries/autorealm.md b/entries/autorealm.md
index a0de5459..f901d117 100644
--- a/entries/autorealm.md
+++ b/entries/autorealm.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://sourceforge.net/projects/autorealm/files
 - Keywords: tool
-- Code repository: https://git.code.sf.net/p/autorealm/code, https://git.code.sf.net/p/autorealm/http (+), https://git.code.sf.net/p/autorealm/delphi (+)
+- Code repository: https://git.code.sf.net/p/autorealm/code, https://git.code.sf.net/p/autorealm/http @add, https://git.code.sf.net/p/autorealm/delphi @add
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: wxWidgets
diff --git a/entries/batrachians.md b/entries/batrachians.md
index 71abff9f..81e5793e 100644
--- a/entries/batrachians.md
+++ b/entries/batrachians.md
@@ -6,7 +6,7 @@
 - Download: https://perso.b2b2c.ca/~sarrazip/dev/batrachians.html#download
 - Platform: Linux
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/beat_harvester.md b/entries/beat_harvester.md
index b0af6ab2..7d36a611 100644
--- a/entries/beat_harvester.md
+++ b/entries/beat_harvester.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20190813223336/http://www.hectigo.net/games/beatharvester/
 - State: beta, inactive since 2009
 - Keywords: action, 2D, open content, shootem
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame, PyOpenGL
diff --git a/entries/berusky.md b/entries/berusky.md
index 61180c75..c67832bf 100644
--- a/entries/berusky.md
+++ b/entries/berusky.md
@@ -2,7 +2,7 @@
 
 - Home: https://www.anakreon.cz/berusky1.html, https://web.archive.org/web/20151026223411/https://sourceforge.net/projects/berusky/
 - State: mature
-- Download: (see home and https://web.archive.org/web/*/https://sourceforge.net/projects/berusky/files/*)
+- Download: @see-home (and https://web.archive.org/web/*/https://sourceforge.net/projects/berusky/files/*)
 - Platform: Windows, Linux
 - Keywords: action, logic, open content
 - Code repository: https://github.com/stransky/berusky.git
diff --git a/entries/between.md b/entries/between.md
index 283fbb4c..814ff90b 100644
--- a/entries/between.md
+++ b/entries/between.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2010
 - Download: https://sourceforge.net/projects/hcsoftware/files/Between/
 - Keywords: puzzle, multiplayer, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: PHP, C++
 - Code license: ? (really PD)
 - Code dependencies: SDL
diff --git a/entries/black_shades_elite.md b/entries/black_shades_elite.md
index d9f586c0..bc4c308f 100644
--- a/entries/black_shades_elite.md
+++ b/entries/black_shades_elite.md
@@ -4,7 +4,7 @@
 - Inspirations: Black Shades
 - State: beta, inactive since 2007
 - Keywords: simulation, first-person, open content, shooter
-- Code repository: (none)
+- Code repository: @not-available
 - Code language: ?
 - Code license: ? (GPL-2.0)
 - Developer: David Rosen
diff --git a/entries/blob_wars_episode_2_blob_and_conquer.md b/entries/blob_wars_episode_2_blob_and_conquer.md
index d777a8fa..19dcf843 100644
--- a/entries/blob_wars_episode_2_blob_and_conquer.md
+++ b/entries/blob_wars_episode_2_blob_and_conquer.md
@@ -4,7 +4,7 @@
 - Media: https://www.parallelrealities.co.uk/games/blobAndConquer/
 - State: mature, inactive since 2016
 - Keywords: platform, 3D, commercial content, shooter, third-person
-- Code repository: https://github.com/perpendicular-dimensions/blobandconquer.git, https://git.code.sf.net/p/blobandconquer/code (+)
+- Code repository: https://github.com/perpendicular-dimensions/blobandconquer.git, https://git.code.sf.net/p/blobandconquer/code @add
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/blobwars_metal_blob_solid.md b/entries/blobwars_metal_blob_solid.md
index 5580ebc1..36de935a 100644
--- a/entries/blobwars_metal_blob_solid.md
+++ b/entries/blobwars_metal_blob_solid.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/blobwars/files/
 - Platform: Windows
 - Keywords: action, commercial content
-- Code repository: https://git.code.sf.net/p/blobwars/code, https://gitlab.com/osgames/blobwars.git (+), https://src.fedoraproject.org/rpms/blobwars.git (+), https://github.com/OSSGames/GAME-SDL-ACTION-Blobwars_Metal_Blob_Solid.git
+- Code repository: https://git.code.sf.net/p/blobwars/code, https://gitlab.com/osgames/blobwars.git @add, https://src.fedoraproject.org/rpms/blobwars.git @add, https://github.com/OSSGames/GAME-SDL-ACTION-Blobwars_Metal_Blob_Solid.git
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/bomberclone.md b/entries/bomberclone.md
index 1512ecc3..3f35a102 100644
--- a/entries/bomberclone.md
+++ b/entries/bomberclone.md
@@ -6,7 +6,7 @@
 - Download: https://www.bomberclone.de/core.html
 - Platform: Windows, Linux
 - Keywords: arcade, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Assets license: GPL
diff --git a/entries/boohu.md b/entries/boohu.md
index 5d8b0f7e..60799f8c 100644
--- a/entries/boohu.md
+++ b/entries/boohu.md
@@ -5,7 +5,7 @@
 - Download: https://download.tuxfamily.org/boohu/downloads/
 - Platform: Web
 - Keywords: role playing, open content, roguelike
-- Code repository: https://git.tuxfamily.org/boohu/boohu.git, https://github.com/anaseto/boohu.git (+)
+- Code repository: https://git.tuxfamily.org/boohu/boohu.git, https://github.com/anaseto/boohu.git @add
 - Code language: Go
 - Code license: ISC
 - Assets license: ISC
diff --git a/entries/bos_wars.md b/entries/bos_wars.md
index 72d74fae..7e07e994 100644
--- a/entries/bos_wars.md
+++ b/entries/bos_wars.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2013
 - Download: https://www.boswars.org/download.shtml
 - Keywords: strategy, real time
-- Code repository: https://github.com/OneSleepyDev/boswars_osd.git, https://github.com/OneSleepyDev/boswars_osd_archive.git (+)
+- Code repository: https://github.com/OneSleepyDev/boswars_osd.git, https://github.com/OneSleepyDev/boswars_osd_archive.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/bouncy_the_hungry_rabbit.md b/entries/bouncy_the_hungry_rabbit.md
index c1c73b39..d3f1e332 100644
--- a/entries/bouncy_the_hungry_rabbit.md
+++ b/entries/bouncy_the_hungry_rabbit.md
@@ -3,7 +3,7 @@
 - Home: https://pyweek.org/e/bouncy/, https://packages.debian.org/sid/bouncy
 - State: mature, inactive since 2007
 - Keywords: arcade, for kids, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/brain_workshop.md b/entries/brain_workshop.md
index eeb8f65f..e94335d9 100644
--- a/entries/brain_workshop.md
+++ b/entries/brain_workshop.md
@@ -5,7 +5,7 @@
 - Download: http://brainworkshop.sourceforge.net/download.html, https://sourceforge.net/projects/brainworkshop/files/brainworkshop/
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, brain exercise
-- Code repository: https://github.com/samcv/brainworkshop.git, https://gitlab.com/osgames/brain-workshop.git (+), https://svn.code.sf.net/p/brainworkshop/code (svn)
+- Code repository: https://github.com/samcv/brainworkshop.git, https://gitlab.com/osgames/brain-workshop.git @add, https://svn.code.sf.net/p/brainworkshop/code (svn)
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pyglet
diff --git a/entries/brikx.md b/entries/brikx.md
index c8dc31ab..2671aab3 100644
--- a/entries/brikx.md
+++ b/entries/brikx.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/brikx/files/
 - Platform: Linux
 - Keywords: puzzle, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/briquolo.md b/entries/briquolo.md
index fee84593..15e9f90e 100644
--- a/entries/briquolo.md
+++ b/entries/briquolo.md
@@ -6,7 +6,7 @@
 - Download: http://briquolo.free.fr/en/download.html
 - Platform: Windows, Linux
 - Keywords: action, clone
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/british_bingo.md b/entries/british_bingo.md
index c3f2b6ce..35e0475b 100644
--- a/entries/british_bingo.md
+++ b/entries/british_bingo.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/britbingo/files/
 - Platform: Web
 - Keywords: action, board, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: JavaScript
 - Code license: GPL-3.0
 - Assets license: GPL-3.0
diff --git a/entries/browserquest.md b/entries/browserquest.md
index 01cb5db5..7f360eba 100644
--- a/entries/browserquest.md
+++ b/entries/browserquest.md
@@ -3,7 +3,7 @@
 - Home: http://browserquest.herokuapp.com/
 - Media: https://en.wikipedia.org/wiki/BrowserQuest
 - State: mature
-- Play: (see home)
+- Play: @see-home
 - Keywords: role playing, multiplayer online + massive
 - Code repository: https://github.com/mozilla/BrowserQuest.git
 - Code language: JavaScript
diff --git a/entries/buggygame.md b/entries/buggygame.md
index 8aa53179..9a6fa0ef 100644
--- a/entries/buggygame.md
+++ b/entries/buggygame.md
@@ -3,7 +3,7 @@
 - Home: https://fydo.net/projects/buggygame
 - State: beta, inactive since 2007
 - Keywords: action, open content, side-scrolling
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/burgerspace.md b/entries/burgerspace.md
index 7ef844a0..e8ae005a 100644
--- a/entries/burgerspace.md
+++ b/entries/burgerspace.md
@@ -6,7 +6,7 @@
 - Download: https://perso.b2b2c.ca/~sarrazip/dev/burgerspace.html#download
 - Platform: Linux
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/cadaver.md b/entries/cadaver.md
index f221ee91..a1656c2e 100644
--- a/entries/cadaver.md
+++ b/entries/cadaver.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2009
 - Download: https://jotd.pagesperso-orange.fr/cadaver/bin/Cadaver-001.zip
 - Keywords: action, commercial content, remake, requires original content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/castle_game_engine.md b/entries/castle_game_engine.md
index a018dd7c..97bf567c 100644
--- a/entries/castle_game_engine.md
+++ b/entries/castle_game_engine.md
@@ -2,7 +2,7 @@
 
 - Home: https://castle-engine.io/
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: game engine, framework
 - Code repository: https://github.com/castle-engine/castle-engine.git
 - Code language: Pascal
diff --git a/entries/cavez_of_phear.md b/entries/cavez_of_phear.md
index 91262691..d3cd48ea 100644
--- a/entries/cavez_of_phear.md
+++ b/entries/cavez_of_phear.md
@@ -4,7 +4,7 @@
 - Inspirations: Boulder Dash, Digger
 - State: beta, inactive since 2011
 - Keywords: action, arcade, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-3.0
 - Assets license: GPL-3.0
diff --git a/entries/cccp.md b/entries/cccp.md
index 97f97ac4..9645d460 100644
--- a/entries/cccp.md
+++ b/entries/cccp.md
@@ -4,7 +4,7 @@
 - Inspirations: Cortex Command
 - State: beta
 - Keywords: strategy, commercial content, multiplayer split-screen + online + LAN, real time, remake
-- Code repository: https://github.com/cortex-command-community/Cortex-Command-Community-Project-Source.git, https://github.com/DataRealms/CCOSS.git (+)
+- Code repository: https://github.com/cortex-command-community/Cortex-Command-Community-Project-Source.git, https://github.com/DataRealms/CCOSS.git @add
 - Code language: C++
 - Code license: AGPL-3.0
 - Code dependencies: Allegro
diff --git a/entries/celestron.md b/entries/celestron.md
index ce6387c5..7243dc5b 100644
--- a/entries/celestron.md
+++ b/entries/celestron.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2012
 - Download: https://sourceforge.net/projects/celestron/files/
 - Keywords: action, shooter, top-down
-- Code repository: https://git.code.sf.net/p/celestron/code, https://gitlab.com/osgames/celestron.git (+)
+- Code repository: https://git.code.sf.net/p/celestron/code, https://gitlab.com/osgames/celestron.git @add
 - Code language: Python
 - Code license: GPL-3.0
 - Code dependencies: NumPy, pygame
diff --git a/entries/chaos_esque_anthology.md b/entries/chaos_esque_anthology.md
index 990e1b8a..b8698974 100644
--- a/entries/chaos_esque_anthology.md
+++ b/entries/chaos_esque_anthology.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://sourceforge.net/projects/chaosesqueanthology/files/
 - Keywords: strategy, first-person, open content, shooter
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: ?
 - Code license: ? (GPL did not download the iso)
 - Assets license: CC-BY (mixed with GPL)
diff --git a/entries/chrzaszcz.md b/entries/chrzaszcz.md
index 16545035..3c20cc77 100644
--- a/entries/chrzaszcz.md
+++ b/entries/chrzaszcz.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/chrzaszcz/files/
 - Platform: Linux
 - Keywords: puzzle, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/circus_linux.md b/entries/circus_linux.md
index 10612b4a..912d2c8f 100644
--- a/entries/circus_linux.md
+++ b/entries/circus_linux.md
@@ -6,7 +6,7 @@
 - Download: http://www.newbreedsoftware.com/circus-linux/download/, ftp://ftp.tuxpaint.org/unix/x/circus-linux/
 - Platform: Windows, macOS
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/commander_genius.md b/entries/commander_genius.md
index af3cfe44..ad26c627 100644
--- a/entries/commander_genius.md
+++ b/entries/commander_genius.md
@@ -6,7 +6,7 @@
 - Download: http://clonekeenplus.sourceforge.net/download.php
 - Platform: Windows, Linux, Android
 - Keywords: action, remake
-- Code repository: https://gitlab.com/Dringgstein/Commander-Genius.git, https://github.com/albertz/commandergenius.git (+), https://github.com/pelya/commandergenius.git (+), https://github.com/gerstrong/Commander-Genius.git (+)
+- Code repository: https://gitlab.com/Dringgstein/Commander-Genius.git, https://github.com/albertz/commandergenius.git @add, https://github.com/pelya/commandergenius.git @add, https://github.com/gerstrong/Commander-Genius.git @add
 - Code language: C, C++
 - Code license: GPL-2.0
 
diff --git a/entries/corengine.md b/entries/corengine.md
index c5399bfd..620d5e6d 100644
--- a/entries/corengine.md
+++ b/entries/corengine.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2015
 - Download: https://sourceforge.net/projects/corengine/files/
 - Keywords: game engine, 3D
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: zlib
 
diff --git a/entries/cosmosmash.md b/entries/cosmosmash.md
index 93ecdbd5..61ff425d 100644
--- a/entries/cosmosmash.md
+++ b/entries/cosmosmash.md
@@ -6,7 +6,7 @@
 - Download: http://perso.b2b2c.ca/~sarrazip/dev/cosmosmash.html#download
 - Platform: Linux
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/coterminalapps.md b/entries/coterminalapps.md
index e05dc209..6be6d6cb 100644
--- a/entries/coterminalapps.md
+++ b/entries/coterminalapps.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/CoTerminalApps/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, text-based
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Assets license: None
diff --git a/entries/craft.md b/entries/craft.md
index 93700e01..dd4095fc 100644
--- a/entries/craft.md
+++ b/entries/craft.md
@@ -3,7 +3,7 @@
 - Home: https://www.michaelfogleman.com/projects/craft/
 - Inspirations: Minecraft
 - State: mature, inactive since 2017
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, clone, multiplayer online, open content, sandbox, voxel
 - Code repository: https://github.com/fogleman/Craft.git
diff --git a/entries/crappybird.md b/entries/crappybird.md
index c5455f20..c1d2a7a8 100644
--- a/entries/crappybird.md
+++ b/entries/crappybird.md
@@ -3,7 +3,7 @@
 - Home: https://varunpant.com/resources/CrappyBird/index.html
 - Inspirations: Flappy Bird
 - State: mature, inactive since 2017
-- Play: (see home)
+- Play: @see-home
 - Keywords: puzzle, remake
 - Code repository: https://github.com/varunpant/CrappyBird.git
 - Code language: JavaScript
diff --git a/entries/critterding.md b/entries/critterding.md
index deedec2c..56c1c367 100644
--- a/entries/critterding.md
+++ b/entries/critterding.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2013
 - Download: https://sourceforge.net/projects/critterding/files/critterding/
 - Keywords: simulation, evolution, open content, strategy
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/cubosphere.md b/entries/cubosphere.md
index e0212e93..ccc17cae 100644
--- a/entries/cubosphere.md
+++ b/entries/cubosphere.md
@@ -4,7 +4,7 @@
 - Inspirations: Kula World
 - State: beta
 - Keywords: puzzle, remake
-- Code repository: https://github.com/cubosphere/cubosphere-code.git, https://github.com/cubosphere/cubosphere-data.git (+), bzr://cubosphere.bzr.sourceforge.net/bzrroot/cubosphere (bzr, outdated)
+- Code repository: https://github.com/cubosphere/cubosphere-code.git, https://github.com/cubosphere/cubosphere-data.git @add, bzr://cubosphere.bzr.sourceforge.net/bzrroot/cubosphere (bzr, outdated)
 - Code language: C, C++
 - Code license: GPL-3.0
 - Code dependencies: SDL2
diff --git a/entries/cultivation.md b/entries/cultivation.md
index 67599d7c..a763ced6 100644
--- a/entries/cultivation.md
+++ b/entries/cultivation.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/cultivation/files/cultivation/
 - Platform: Windows, Linux, macOS
 - Keywords: simulation, evolution, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: Public domain (http://cultivation.sourceforge.net/)
 - Code dependencies: GLUT
diff --git a/entries/curses.md b/entries/curses.md
index 64f07dfb..8bdf0fac 100644
--- a/entries/curses.md
+++ b/entries/curses.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2000
 - Platform: Linux
 - Keywords: library
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: BSD
 
diff --git a/entries/cutemaze.md b/entries/cutemaze.md
index 312e9f95..e487e005 100644
--- a/entries/cutemaze.md
+++ b/entries/cutemaze.md
@@ -3,7 +3,7 @@
 - Home: https://gottcode.org/cutemaze/
 - State: mature
 - Keywords: puzzle
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Qt
diff --git a/entries/cytadela.md b/entries/cytadela.md
index 70593624..76bfbb59 100644
--- a/entries/cytadela.md
+++ b/entries/cytadela.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/cytadela/files/
 - Platform: Windows, Linux, macOS
 - Keywords: remake, shooter
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/d2x-xl.md b/entries/d2x-xl.md
index 1a9e5aee..6e6a035e 100644
--- a/entries/d2x-xl.md
+++ b/entries/d2x-xl.md
@@ -3,7 +3,7 @@
 - Home: http://www.descent2.de/, https://sourceforge.net/projects/d2x-xl/
 - Inspirations: Descent, Descent II
 - State: mature, inactive since 2015
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: remake, non-free content, shooter
 - Code repository: https://svn.code.sf.net/p/d2x-xl/code (svn)
diff --git a/entries/danger_from_the_deep.md b/entries/danger_from_the_deep.md
index 82d9a337..b71e861a 100644
--- a/entries/danger_from_the_deep.md
+++ b/entries/danger_from_the_deep.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2011
 - Download: http://dangerdeep.sourceforge.net/downloads/, https://sourceforge.net/projects/dangerdeep/files/
 - Keywords: simulation, remake
-- Code repository: https://gitlab.com/osgames/dangerdeep.git (conversion and cleanup of git), https://git.code.sf.net/p/dangerdeep/git (+), https://svn.code.sf.net/p/dangerdeep/code (svn)
+- Code repository: https://gitlab.com/osgames/dangerdeep.git (conversion and cleanup of git), https://git.code.sf.net/p/dangerdeep/git @add, https://svn.code.sf.net/p/dangerdeep/code (svn)
 - Code language: C++
 - Code license: GPL-2.0
 - Assets license: CC-BY-NC-ND
diff --git a/entries/defendguin.md b/entries/defendguin.md
index b795813e..89b90472 100644
--- a/entries/defendguin.md
+++ b/entries/defendguin.md
@@ -6,7 +6,7 @@
 - Download: http://www.newbreedsoftware.com/defendguin/download/, ftp://ftp.tuxpaint.org/unix/x/defendguin
 - Platform: Windows, Linux
 - Keywords: remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/digger_remastered.md b/entries/digger_remastered.md
index 9d5482dd..e1905d97 100644
--- a/entries/digger_remastered.md
+++ b/entries/digger_remastered.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2004
 - Download: https://digger.org/download.html
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/digital_a_love_story.md b/entries/digital_a_love_story.md
index 8744d165..f7d7b978 100644
--- a/entries/digital_a_love_story.md
+++ b/entries/digital_a_love_story.md
@@ -3,12 +3,12 @@
 - Home: http://scoutshonour.com/digital/
 - Media: https://web.archive.org/web/20160507142946/https://lgdb.org/game/digital_love_story
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: adventure, visual novel
 - Code repository: https://gitlab.com/osgames/digitalalovestory.git (copy of version 1.1)
 - Code language: Ren'py
-- Code license: CC-BY-NC-SA-3.0 (see home)
+- Code license: CC-BY-NC-SA-3.0 @see-home
 
 A computer mystery/romance set five minutes into the future of 1988.
 See also https://loveconquersallgam.es/tagged/digital%3A-a-love-story
diff --git a/entries/directpython.md b/entries/directpython.md
index c7007ebb..9207546b 100644
--- a/entries/directpython.md
+++ b/entries/directpython.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/directpython/files/, https://sourceforge.net/projects/directpython11/files/
 - Platform: Windows
 - Keywords: library
-- Code repository: http://hg.code.sf.net/p/directpython11/code (see download)
+- Code repository: http://hg.code.sf.net/p/directpython11/code @see-download
 - Code language: C++
 - Code license: 2-clause BSD (source headers)
 
diff --git a/entries/dnt.md b/entries/dnt.md
index 08ea650f..226b08ee 100644
--- a/entries/dnt.md
+++ b/entries/dnt.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2016
 - Download: http://dnt.dnteam.org/cgi-bin/downloads.py
 - Keywords: role playing
-- Code repository: https://git.code.sf.net/p/dnt/code, https://gitlab.com/osgames/dnt.git (+)
+- Code repository: https://git.code.sf.net/p/dnt/code, https://gitlab.com/osgames/dnt.git @add
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/doom_legacy.md b/entries/doom_legacy.md
index 78ec9ee8..83e413aa 100644
--- a/entries/doom_legacy.md
+++ b/entries/doom_legacy.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/doomlegacy/files/
 - Platform: Windows, Linux, macOS
 - Keywords: action, commercial content, original content required, remake, shooter
-- Code repository: https://git.code.sf.net/p/doomlegacy/legacy2, https://git.code.sf.net/p/doomlegacy/masterserver (+), https://svn.code.sf.net/p/doomlegacy/svn (svn), http://doomlegacy.cvs.sourceforge.net (cvs)
+- Code repository: https://git.code.sf.net/p/doomlegacy/legacy2, https://git.code.sf.net/p/doomlegacy/masterserver @add, https://svn.code.sf.net/p/doomlegacy/svn (svn), http://doomlegacy.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/doomsday_engine.md b/entries/doomsday_engine.md
index e97cfa65..06cdb1e3 100644
--- a/entries/doomsday_engine.md
+++ b/entries/doomsday_engine.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/deng/files/
 - Platform: Windows, Linux, macOS
 - Keywords: action, commercial content, remake, requires original content
-- Code repository: https://github.com/skyjake/Doomsday-Engine.git, https://git.code.sf.net/p/deng/code (+)
+- Code repository: https://github.com/skyjake/Doomsday-Engine.git, https://git.code.sf.net/p/deng/code @add
 - Code language: C, C++
 - Code license: GPL-2.0 (see source files), GPL-3.0, LGPL-3.0 (core)
 
diff --git a/entries/dragon_hunt.md b/entries/dragon_hunt.md
index 9d9f5b10..cd00eda2 100644
--- a/entries/dragon_hunt.md
+++ b/entries/dragon_hunt.md
@@ -2,7 +2,7 @@
 
 - Home: http://emhsoft.com/dh.html, http://savannah.nongnu.org/projects/dragon-hunt
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing
 - Code repository: https://gitlab.com/osgames/dragon-hunt.git (backup of cvs), http://savannah.nongnu.org/cvs/?group=dragon-hunt (cvs)
 - Code language: Python
diff --git a/entries/duke3dw32.md b/entries/duke3dw32.md
index 825c726f..29c6422f 100644
--- a/entries/duke3dw32.md
+++ b/entries/duke3dw32.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2008
 - Download: http://www.rancidmeat.com/projects/duke3d_w32/duke3d_w32_b20_src.zip
 - Keywords: action, commercial content, multiplayer LAN, remake, requires original content, shooter
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/dune_dynasty.md b/entries/dune_dynasty.md
index 5b4e0372..e1099ac1 100644
--- a/entries/dune_dynasty.md
+++ b/entries/dune_dynasty.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2014
 - Download: https://sourceforge.net/projects/dunedynasty
 - Keywords: strategy, remake, requires original content (Dune 2)
-- Code repository: https://git.code.sf.net/p/dunedynasty/dunedynasty, https://gitlab.com/osgames/dunedynasty.git (+)
+- Code repository: https://git.code.sf.net/p/dunedynasty/dunedynasty, https://gitlab.com/osgames/dunedynasty.git @add
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/eadventure.md b/entries/eadventure.md
index 69ae1ed5..6c475fe9 100644
--- a/entries/eadventure.md
+++ b/entries/eadventure.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2014
 - Download: https://sourceforge.net/projects/e-adventure/files/
 - Keywords: adventure, game engine
-- Code repository: https://github.com/e-ucm/eAdventure-legacy.git, https://github.com/e-ucm/eAdventure.git (+), https://github.com/e-ucm/uAdventure.git (+), https://gitlab.com/osgames/e-adventure.git (@add, conversion of svn), https://svn.code.sf.net/p/e-adventure/code (svn)
+- Code repository: https://github.com/e-ucm/eAdventure-legacy.git, https://github.com/e-ucm/eAdventure.git @add, https://github.com/e-ucm/uAdventure.git @add, https://gitlab.com/osgames/e-adventure.git (@add, conversion of svn), https://svn.code.sf.net/p/e-adventure/code (svn)
 - Code language: Java
 - Code license: GPL-3.0
 
diff --git a/entries/eduke32.md b/entries/eduke32.md
index d4573b47..28445944 100644
--- a/entries/eduke32.md
+++ b/entries/eduke32.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://dukeworld.com/eduke32/synthesis/latest/?s=d&o=d&dir=eduke32/synthesis/latest
 - Keywords: action, commercial content, original content required, remake, shooter
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C, C++
 - Code license: GPL-2.0
 
diff --git a/entries/emilia_pinball.md b/entries/emilia_pinball.md
index cabdfae4..3275cb20 100644
--- a/entries/emilia_pinball.md
+++ b/entries/emilia_pinball.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/pinball/files/
 - Platform: Windows, Linux, macOS
 - Keywords: sports
-- Code repository: https://git.code.sf.net/p/pinball/code, https://git.code.sf.net/p/pinball/pinedit (+), https://github.com/sergiomb2/pinball.git (+), http://pinball.cvs.sourceforge.net (cvs)
+- Code repository: https://git.code.sf.net/p/pinball/code, https://git.code.sf.net/p/pinball/pinedit @add, https://github.com/sergiomb2/pinball.git @add, http://pinball.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/emptyepsilon.md b/entries/emptyepsilon.md
index 544a753e..cc0ef4fa 100644
--- a/entries/emptyepsilon.md
+++ b/entries/emptyepsilon.md
@@ -6,7 +6,7 @@
 - Download: http://daid.github.io/EmptyEpsilon/#tabs=5
 - Platform: Windows
 - Keywords: role playing, clone, multiplayer online + LAN
-- Code repository: https://github.com/daid/EmptyEpsilon.git, https://github.com/daid/SeriousProton.git (+)
+- Code repository: https://github.com/daid/EmptyEpsilon.git, https://github.com/daid/SeriousProton.git @add
 - Code language: C, C++, Lua
 - Code license: GPL-2.0
 - Code dependencies: SFML
diff --git a/entries/endgame_singularity.md b/entries/endgame_singularity.md
index 7b8f3088..5a031925 100644
--- a/entries/endgame_singularity.md
+++ b/entries/endgame_singularity.md
@@ -2,7 +2,7 @@
 
 - Home: http://www.emhsoft.com/singularity/
 - State: beta
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy
 - Code repository: https://github.com/singularity/singularity.git
 - Code language: Python
diff --git a/entries/f-1_spirit.md b/entries/f-1_spirit.md
index 7ec45037..88326e31 100644
--- a/entries/f-1_spirit.md
+++ b/entries/f-1_spirit.md
@@ -6,7 +6,7 @@
 - Download: https://braingames.jorito.net/f1spirit/f1spirit.src_0.rc9-1615.tgz
 - Platform: Windows, Linux, macOS
 - Keywords: simulation, free content, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: ?
 - Code dependencies: SDL
diff --git a/entries/falcons_eye.md b/entries/falcons_eye.md
index 0b21b7fb..b29391de 100644
--- a/entries/falcons_eye.md
+++ b/entries/falcons_eye.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/falconseye/files/
 - Platform: Windows, Linux
 - Keywords: simulation, roguelike
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: NetHack General Public License
 - Developer: Jaakko Tapani Peltonen
diff --git a/entries/fanwor.md b/entries/fanwor.md
index b230441c..249922e7 100644
--- a/entries/fanwor.md
+++ b/entries/fanwor.md
@@ -3,7 +3,7 @@
 - Home: https://fanwor.tuxfamily.org/
 - Inspirations: Legend of Zelda
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: adventure, remake
 - Code repository: https://git.tuxfamily.org/fanwor/fanwor.git
 - Code language: C
diff --git a/entries/fish_fillets-next_generation.md b/entries/fish_fillets-next_generation.md
index 2586f312..150a3fd2 100644
--- a/entries/fish_fillets-next_generation.md
+++ b/entries/fish_fillets-next_generation.md
@@ -6,7 +6,7 @@
 - Download: http://fillets.sourceforge.net/download.php
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, port
-- Code repository: https://git.code.sf.net/p/fillets/code-fillets-ng, https://git.code.sf.net/p/fillets/code-fillets_data (+), https://git.code.sf.net/p/fillets/code-fillets_web (+), http://fillets.cvs.sourceforge.net (cvs)
+- Code repository: https://git.code.sf.net/p/fillets/code-fillets-ng, https://git.code.sf.net/p/fillets/code-fillets_data @add, https://git.code.sf.net/p/fillets/code-fillets_web @add, http://fillets.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/flare.md b/entries/flare.md
index 5604ec2c..c2998177 100644
--- a/entries/flare.md
+++ b/entries/flare.md
@@ -6,7 +6,7 @@
 - Download: https://flarerpg.org/index.php/download/, https://github.com/clintbellanger/flare-engine/releases
 - Platform: Windows, Linux, macOS
 - Keywords: game engine, clone, framework
-- Code repository: https://github.com/clintbellanger/flare-engine.git, https://github.com/clintbellanger/flare-game.git (+)
+- Code repository: https://github.com/clintbellanger/flare-engine.git, https://github.com/clintbellanger/flare-game.git @add
 - Code language: C++, Java
 - Code license: GPL-3.0
 
diff --git a/entries/flukz.md b/entries/flukz.md
index 52194150..0914732e 100644
--- a/entries/flukz.md
+++ b/entries/flukz.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2014
 - Platform: Windows, Linux
 - Keywords: action, open content, shooter, top-down
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: Qt
diff --git a/entries/fonline.md b/entries/fonline.md
index b74bec82..a224d423 100644
--- a/entries/fonline.md
+++ b/entries/fonline.md
@@ -4,7 +4,7 @@
 - Inspirations: Fallout Online
 - State: beta
 - Keywords: strategy, remake
-- Code repository: https://github.com/alexknvl/fonline.git, https://github.com/rotators/play-fonline-data.git (+)
+- Code repository: https://github.com/alexknvl/fonline.git, https://github.com/rotators/play-fonline-data.git @add
 - Code language: C, C++
 - Code license: GPL-3.0
 
diff --git a/entries/foobillard.md b/entries/foobillard.md
index 73469ccd..8259b40e 100644
--- a/entries/foobillard.md
+++ b/entries/foobillard.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/foobillard/files/
 - Platform: Windows, Linux
 - Keywords: simulation
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: GLUT, SDL
diff --git a/entries/forsaken.md b/entries/forsaken.md
index a20c22d3..ee8d3505 100644
--- a/entries/forsaken.md
+++ b/entries/forsaken.md
@@ -1,7 +1,7 @@
 # Forsaken
 
 - Home: http://forsakenx.github.io/, https://github.com/ForsakenX/forsaken/wiki
-- Media: <https://en.wikipedia.org/wiki/Forsaken_(video_game)>
+- Media: https://en.wikipedia.org/wiki/Forsaken_(video_game)
 - Inspirations: Forsaken
 - State: beta, inactive since 2013
 - Download: https://github.com/ForsakenX/forsaken/wiki/Download-and-installation
diff --git a/entries/frabs.md b/entries/frabs.md
index 2f2b8287..2f7a4923 100644
--- a/entries/frabs.md
+++ b/entries/frabs.md
@@ -3,7 +3,7 @@
 - Home: http://web.archive.org/web/20061207140937/http://www.cs.uidaho.edu:80/~cass0664/fRaBs/index.html, http://abuse.zoy.org/
 - State: mature, inactive since 2016
 - Keywords: action, action-adventure, open content, side-scrolling
-- Code repository: https://github.com/antrad/Abuse_1996.git (SDL2), https://github.com/Xenoveritas/abuse.git (+), https://github.com/videogamepreservation/abuse.git (+)
+- Code repository: https://github.com/antrad/Abuse_1996.git (SDL2), https://github.com/Xenoveritas/abuse.git @add, https://github.com/videogamepreservation/abuse.git @add
 - Code language: Lisp
 - Code license: Public domain
 - Assets license: Public domain
diff --git a/entries/freeablo.md b/entries/freeablo.md
index a5b2eda7..030cc31c 100644
--- a/entries/freeablo.md
+++ b/entries/freeablo.md
@@ -3,7 +3,7 @@
 - Home: https://freeablo.org/
 - Inspirations: Diablo
 - State: beta
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: action, commercial content, remake, requires original content, role playing
 - Code repository: https://github.com/wheybags/freeablo.git
diff --git a/entries/freecol.md b/entries/freecol.md
index 340b8751..d267f22b 100644
--- a/entries/freecol.md
+++ b/entries/freecol.md
@@ -6,7 +6,7 @@
 - State: mature
 - Download: http://www.freecol.org/download.html
 - Keywords: strategy, multiplayer, remake, turn-based
-- Code repository: https://github.com/FreeCol/freecol.git, https://git.code.sf.net/p/freecol/git (+)
+- Code repository: https://github.com/FreeCol/freecol.git, https://git.code.sf.net/p/freecol/git @add
 - Code language: Java
 - Code license: GPL-2.0
 
diff --git a/entries/freeprince.md b/entries/freeprince.md
index 3e5198b7..93254176 100644
--- a/entries/freeprince.md
+++ b/entries/freeprince.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2011
 - Download: https://www.princed.org/downloads/#FreePrince
 - Keywords: action, platform, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/freetype.md b/entries/freetype.md
index bbb21d7f..f64c6875 100644
--- a/entries/freetype.md
+++ b/entries/freetype.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://www.freetype.org/download.html
 - Keywords: library
-- Code repository: https://git.savannah.gnu.org/git/freetype/freetype2.git (http://git.savannah.gnu.org/cgit/freetype/), https://git.savannah.gnu.org/git/freetype/freetype2-demos.git (+)
+- Code repository: https://git.savannah.gnu.org/git/freetype/freetype2.git (http://git.savannah.gnu.org/cgit/freetype/), https://git.savannah.gnu.org/git/freetype/freetype2-demos.git @add
 - Code language: C
 - Code license: GPL-2.0, Custom (modified BSD license, see LICENSE.TXT)
 
diff --git a/entries/fujo.md b/entries/fujo.md
index c115843a..87c9b74d 100644
--- a/entries/fujo.md
+++ b/entries/fujo.md
@@ -2,7 +2,7 @@
 
 - Home: http://sheep.art.pl/Fujo
 - State: mature, inactive since 2014
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing
 - Code repository: https://gitlab.com/osgames/fujo.git
 - Code language: Python
diff --git a/entries/funlabyrinthe.md b/entries/funlabyrinthe.md
index 67e1bae1..b39d94fa 100644
--- a/entries/funlabyrinthe.md
+++ b/entries/funlabyrinthe.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/funlaby/files/
 - Platform: Windows
 - Keywords: puzzle
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Pascal
 - Code license: GPL-2.0
 
diff --git a/entries/gem_drop_x.md b/entries/gem_drop_x.md
index 929acdcc..e7ff8328 100644
--- a/entries/gem_drop_x.md
+++ b/entries/gem_drop_x.md
@@ -5,7 +5,7 @@
 - Download: http://www.newbreedsoftware.com/gemdropx/download/
 - Platform: Linux, macOS
 - Keywords: puzzle
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/ges-code.md b/entries/ges-code.md
index e2869876..d6833439 100644
--- a/entries/ges-code.md
+++ b/entries/ges-code.md
@@ -3,7 +3,7 @@
 - Home: https://geshl2.com/
 - Inspirations: GoldenEye 007
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: action, remake, requires original engine (?), shooter
 - Code repository: https://github.com/goldeneye-source/ges-code.git
 - Code language: C, C++
diff --git a/entries/gltron.md b/entries/gltron.md
index 45c6dd68..28196b83 100644
--- a/entries/gltron.md
+++ b/entries/gltron.md
@@ -7,7 +7,7 @@
 - Download: http://www.gltron.org/download.php
 - Platform: Windows, Linux, macOS
 - Keywords: action
-- Code repository: https://github.com/osgamearchive/gltron.git (svn and git combination), https://git.code.sf.net/p/gltron/git (+), https://svn.code.sf.net/p/gltron/code (svn), http://gltron.cvs.sourceforge.net (cvs, contained in the svn)
+- Code repository: https://github.com/osgamearchive/gltron.git (svn and git combination), https://git.code.sf.net/p/gltron/git @add, https://svn.code.sf.net/p/gltron/code (svn), http://gltron.cvs.sourceforge.net (cvs, contained in the svn)
 - Code language: C
 - Code license: GPL
 - Code dependencies: SDL
diff --git a/entries/gnu_freedink.md b/entries/gnu_freedink.md
index fdf29ccd..39b3ae20 100644
--- a/entries/gnu_freedink.md
+++ b/entries/gnu_freedink.md
@@ -8,7 +8,7 @@
 - Download: https://www.gnu.org/software/freedink/get, http://ftp.gnu.org/gnu/freedink/
 - Platform: Windows, Linux, macOS, Web
 - Keywords: adventure, 2D, open content (?), remake, requires original content (?), role playing, top-down
-- Code repository: https://git.savannah.gnu.org/git/freedink.git, https://git.savannah.gnu.org/git/freedink/dfarc.git (+), https://git.savannah.gnu.org/git/freedink/dink-data.git (+), https://git.savannah.gnu.org/git/freedink/freedink-data.git (+), http://cvs.savannah.gnu.org:/sources/freedink (cvs)
+- Code repository: https://git.savannah.gnu.org/git/freedink.git, https://git.savannah.gnu.org/git/freedink/dfarc.git @add, https://git.savannah.gnu.org/git/freedink/dink-data.git @add, https://git.savannah.gnu.org/git/freedink/freedink-data.git @add, http://cvs.savannah.gnu.org:/sources/freedink (cvs)
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/go_ollie.md b/entries/go_ollie.md
index 08407259..8fc2b224 100644
--- a/entries/go_ollie.md
+++ b/entries/go_ollie.md
@@ -5,7 +5,7 @@
 - Download: https://web.archive.org/web/20111209123851/http://www.tweeler.com/GoOllie_13.sh
 - Platform: Windows, Linux
 - Keywords: platform, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: ?
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/goblin_camp.md b/entries/goblin_camp.md
index c9db0b7d..48977495 100644
--- a/entries/goblin_camp.md
+++ b/entries/goblin_camp.md
@@ -3,9 +3,9 @@
 - Home: http://www.goblincamp.com/, https://web.archive.org/web/20151106001905/https://bitbucket.org/genericcontainer/goblin-camp
 - Inspirations: Anno 1404, Dwarf Fortress, Dungeon Keeper
 - State: beta, inactive since 2012
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy
-- Code repository: https://gitlab.com/osgames/goblin-camp.git, https://github.com/y2s82/goblin_camp.git (+)
+- Code repository: https://gitlab.com/osgames/goblin-camp.git, https://github.com/y2s82/goblin_camp.git @add
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/gottet.md b/entries/gottet.md
index 00044864..1f6aba9b 100644
--- a/entries/gottet.md
+++ b/entries/gottet.md
@@ -5,7 +5,7 @@
 - State: mature
 - Platform: Windows, Linux, macOS
 - Keywords: tool
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Qt
diff --git a/entries/grabble.md b/entries/grabble.md
index 64b8c0dd..413e37f6 100644
--- a/entries/grabble.md
+++ b/entries/grabble.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2006
 - Download: https://sourceforge.net/projects/grabble/files/
 - Keywords: puzzle
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Java
 - Code license: ?
 
diff --git a/entries/grobots.md b/entries/grobots.md
index 492ff6c2..929b3dc5 100644
--- a/entries/grobots.md
+++ b/entries/grobots.md
@@ -2,10 +2,10 @@
 
 - Home: http://grobots.sourceforge.net/, https://sourceforge.net/projects/grobots/
 - State: mature, inactive since 2014
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: simulation, programming
-- Code repository: http://hg.code.sf.net/p/grobots/trunk (hg), https://gitlab.com/osgames/grobots.git (+)
+- Code repository: http://hg.code.sf.net/p/grobots/trunk (hg), https://gitlab.com/osgames/grobots.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/h-craft_championship.md b/entries/h-craft_championship.md
index 47cbde30..673de182 100644
--- a/entries/h-craft_championship.md
+++ b/entries/h-craft_championship.md
@@ -4,7 +4,7 @@
 - Inspirations: Wipeout
 - State: mature, inactive since 2015
 - Keywords: sports, clone, racing
-- Code repository: https://github.com/mzeilfelder/hc1.git, https://github.com/mzeilfelder/media_hc1.git (+)
+- Code repository: https://github.com/mzeilfelder/hc1.git, https://github.com/mzeilfelder/media_hc1.git @add
 - Code language: C++
 - Code license: zlib
 - Assets license: Custom (Do not modify or distribute outside this game. See http://www.irrgheist.com/hcraftsource.htm)
diff --git a/entries/harfbuzz.md b/entries/harfbuzz.md
index 01c93dde..15bc3275 100644
--- a/entries/harfbuzz.md
+++ b/entries/harfbuzz.md
@@ -3,7 +3,7 @@
 - Home: https://harfbuzz.github.io/, https://web.archive.org/web/20200616182117/https://www.freedesktop.org/wiki/Software/HarfBuzz/
 - Media: https://en.wikipedia.org/wiki/HarfBuzz
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: library
 - Code repository: https://github.com/harfbuzz/harfbuzz.git
 - Code language: C++
diff --git a/entries/harmonist_dayoriah_clan_infiltration.md b/entries/harmonist_dayoriah_clan_infiltration.md
index 0b2b8ef9..9d7597e0 100644
--- a/entries/harmonist_dayoriah_clan_infiltration.md
+++ b/entries/harmonist_dayoriah_clan_infiltration.md
@@ -5,7 +5,7 @@
 - Download: https://download.tuxfamily.org/harmonist/releases/
 - Platform: Windows, Linux, macOS, Web
 - Keywords: library, open content, roguelike, text
-- Code repository: https://git.tuxfamily.org/harmonist/harmonist.git, https://github.com/anaseto/harmonist.git (+)
+- Code repository: https://git.tuxfamily.org/harmonist/harmonist.git, https://github.com/anaseto/harmonist.git @add
 - Code language: Go
 - Code license: ISC
 - Assets license: ISC
diff --git a/entries/hedgewars.md b/entries/hedgewars.md
index 8676207e..e9cde7d2 100644
--- a/entries/hedgewars.md
+++ b/entries/hedgewars.md
@@ -6,7 +6,7 @@
 - Download: http://hedgewars.org/download.html
 - Platform: Windows, Linux, iOS
 - Keywords: action, artillery, clone, turn-based
-- Code repository: http://hg.hedgewars.org/hedgewars/ (hg), https://github.com/hedgewars/hw.git (+)
+- Code repository: http://hg.hedgewars.org/hedgewars/ (hg), https://github.com/hedgewars/hw.git @add
 - Code language: Lua, C, C++, Pascal, Haskell
 - Code license: GPL-2.0
 - Code dependencies: Qt, SDL
diff --git a/entries/help_hannahs_horse.md b/entries/help_hannahs_horse.md
index 8181fddf..6fa9ffd4 100644
--- a/entries/help_hannahs_horse.md
+++ b/entries/help_hannahs_horse.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/hannah/files/
 - Platform: Windows, Linux
 - Keywords: action, arcade, for kids, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/holtz.md b/entries/holtz.md
index 71304ee2..37e05d60 100644
--- a/entries/holtz.md
+++ b/entries/holtz.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/holtz/files/
 - Platform: Windows, Linux
 - Keywords: puzzle, board, online, open content
-- Code repository: https://git.code.sf.net/p/holtz/code, https://git.code.sf.net/p/holtz/website (+)
+- Code repository: https://git.code.sf.net/p/holtz/code, https://git.code.sf.net/p/holtz/website @add
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: wxWidgets
diff --git a/entries/i_have_no_tomatoes.md b/entries/i_have_no_tomatoes.md
index e938c085..0f9d3dfa 100644
--- a/entries/i_have_no_tomatoes.md
+++ b/entries/i_have_no_tomatoes.md
@@ -6,7 +6,7 @@
 - Download: http://tomatoes.sourceforge.net/downloads.html
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, remake, scrolling
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: zlib
 
diff --git a/entries/icbm3d.md b/entries/icbm3d.md
index 472c5388..fc300cc1 100644
--- a/entries/icbm3d.md
+++ b/entries/icbm3d.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 1998
 - Download: http://www.newbreedsoftware.com/icbm3d/download/, ftp://ftp.tuxpaint.org/unix/x/icbm3d
 - Keywords: arcade, artillery, clone
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: ? (GPL-2.0 maybe but could not find it in the source code)
 - Developer: Bill Kendrick
diff --git a/entries/ice_breaker.md b/entries/ice_breaker.md
index 43256a05..e28825f1 100644
--- a/entries/ice_breaker.md
+++ b/entries/ice_breaker.md
@@ -6,7 +6,7 @@
 - Download: https://mattdm.org/icebreaker/download.shtml
 - Platform: Windows, Linux
 - Keywords: arcade, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/ilarion.md b/entries/ilarion.md
index 2c31cc2b..759c386e 100644
--- a/entries/ilarion.md
+++ b/entries/ilarion.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://illarion.org/illarion/de_java_download.php
 - Keywords: role playing, multiplayer online + massive
-- Code repository: https://github.com/Illarion-eV/Illarion-Java.git (https://github.com/Illarion-eV), https://github.com/Illarion-eV/Illarion-Server.git (+), https://github.com/Illarion-eV/Illarion-Content.git (+)
+- Code repository: https://github.com/Illarion-eV/Illarion-Java.git (https://github.com/Illarion-eV), https://github.com/Illarion-eV/Illarion-Server.git @add, https://github.com/Illarion-eV/Illarion-Content.git @add
 - Code language: C++, Java, Lua
 - Code license: GPL-3.0
 
diff --git a/entries/imperium.md b/entries/imperium.md
index ad6a385c..99a2233e 100644
--- a/entries/imperium.md
+++ b/entries/imperium.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://empiredirectory.net/index.php/new-downloads
 - Keywords: role playing, console
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: ?
 - Code license: ?
 
diff --git a/entries/infon_battle_arena.md b/entries/infon_battle_arena.md
index f20ba7dc..299ec2fb 100644
--- a/entries/infon_battle_arena.md
+++ b/entries/infon_battle_arena.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2012
 - Platform: Windows, Linux
 - Keywords: simulation, evolution, open content, programming, real time, strategy
-- Code repository: https://github.com/dividuum/infon.git, https://bitbucket.org/dividuum/infon.git (+)
+- Code repository: https://github.com/dividuum/infon.git, https://bitbucket.org/dividuum/infon.git @add
 - Code language: C, Lua
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/iron_seed.md b/entries/iron_seed.md
index 2dffe90e..876a653b 100644
--- a/entries/iron_seed.md
+++ b/entries/iron_seed.md
@@ -6,7 +6,7 @@
 - State: mature, inactive since 2013
 - Download: https://web.archive.org/web/20150802151352/http://www.ironseed.com/ironseed-v1.20.0016-2013-03-17.zip
 - Keywords: remake, inspired by Iron Seed
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Pascal
 - Code license: GPL-3.0 (not with the source code)
 
diff --git a/entries/jamp.md b/entries/jamp.md
index 97c2a46f..de9b079b 100644
--- a/entries/jamp.md
+++ b/entries/jamp.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2009
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, physics
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Assets license: GPL-3.0
diff --git a/entries/jsoko.md b/entries/jsoko.md
index 375a3a9e..c7343538 100644
--- a/entries/jsoko.md
+++ b/entries/jsoko.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/jsokoapplet/files/
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Java
 - Code license: GPL-3.0 (+credits +no-misrepresentation)
 - Assets license: GPL (+credits +no-misrepresentation)
diff --git a/entries/kingdoms.md b/entries/kingdoms.md
index c59b256e..7cd72f91 100644
--- a/entries/kingdoms.md
+++ b/entries/kingdoms.md
@@ -2,7 +2,7 @@
 
 - Home: http://anttisalonen.github.io/kingdoms/
 - State: beta, inactive since 2014
-- Download: (see home)
+- Download: @see-home
 - Platform: Linux
 - Keywords: strategy
 - Code repository: https://github.com/anttisalonen/kingdoms.git
diff --git a/entries/knights.md b/entries/knights.md
index 51e0d497..6d891cf5 100644
--- a/entries/knights.md
+++ b/entries/knights.md
@@ -6,7 +6,7 @@
 - Download: http://www.knightsgame.org.uk/download.html
 - Platform: Windows
 - Keywords: role playing, dungeon, multiplayer, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/kobo_deluxe.md b/entries/kobo_deluxe.md
index 35ce02d5..2d4f0608 100644
--- a/entries/kobo_deluxe.md
+++ b/entries/kobo_deluxe.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2007
 - Platform: Windows, Linux, macOS
 - Keywords: action, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0, LGPL
 - Code dependencies: SDL
diff --git a/entries/korax_heritage.md b/entries/korax_heritage.md
index c52505d1..b7546134 100644
--- a/entries/korax_heritage.md
+++ b/entries/korax_heritage.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://www.koraxheritage.com/downloads/, https://sourceforge.net/projects/korax/files/
 - Keywords: role playing, 3D, first-person, game engine, shooter
-- Code repository: https://git.code.sf.net/p/korax/code-git, https://git.code.sf.net/p/korax/krpg-txt (+), https://git.code.sf.net/p/korax/korax-git (+), https://git.code.sf.net/u/userid-1153503/korax (+), https://svn.code.sf.net/p/korax/code (svn), https://svn.code.sf.net/p/korax/krpg-bin/ (svn)
+- Code repository: https://git.code.sf.net/p/korax/code-git, https://git.code.sf.net/p/korax/krpg-txt @add, https://git.code.sf.net/p/korax/korax-git @add, https://git.code.sf.net/u/userid-1153503/korax @add, https://svn.code.sf.net/p/korax/code (svn), https://svn.code.sf.net/p/korax/krpg-bin/ (svn)
 - Code language: None
 - Code license: ?
 - Code dependencies: Hexen
diff --git a/entries/kuklomenos.md b/entries/kuklomenos.md
index c0ac01e5..90459da8 100644
--- a/entries/kuklomenos.md
+++ b/entries/kuklomenos.md
@@ -3,7 +3,7 @@
 - Home: http://mbays.freeshell.org/kuklomenos/
 - State: beta, inactive since 2012
 - Keywords: arcade, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/l-echo.md b/entries/l-echo.md
index 86bd9516..a71d0d3e 100644
--- a/entries/l-echo.md
+++ b/entries/l-echo.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2016
 - Download: https://storage.googleapis.com/google-code-archive-source/v2/code.google.com/l-echo/source-archive.zip
 - Keywords: puzzle, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/lambdarogue_the_book_of_stars.md b/entries/lambdarogue_the_book_of_stars.md
index fad75d64..fa08910f 100644
--- a/entries/lambdarogue_the_book_of_stars.md
+++ b/entries/lambdarogue_the_book_of_stars.md
@@ -5,7 +5,7 @@
 - Download: https://code.google.com/archive/p/lambdarogue/downloads
 - Platform: Windows, Linux
 - Keywords: role playing, roguelike
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Pascal
 - Code license: GPL-2.0
 - Developer: Mario Donick
diff --git a/entries/land_of_fire.md b/entries/land_of_fire.md
index 03c175f3..71994b07 100644
--- a/entries/land_of_fire.md
+++ b/entries/land_of_fire.md
@@ -3,7 +3,7 @@
 - Home: http://landoffire.org/
 - State: beta (?)
 - Keywords: role playing
-- Code repository: https://github.com/landoffire/lof-tmwa-server-data.git, https://github.com/landoffire/lof-tmwa-client-data.git (+)
+- Code repository: https://github.com/landoffire/lof-tmwa-server-data.git, https://github.com/landoffire/lof-tmwa-client-data.git @add
 - Code language: Script
 - Code license: GPL-2.0
 
diff --git a/entries/levelhead.md b/entries/levelhead.md
index 8328236b..788c371e 100644
--- a/entries/levelhead.md
+++ b/entries/levelhead.md
@@ -5,7 +5,7 @@
 - Download: https://julianoliver.com/levelhead/install.html
 - Platform: Linux
 - Keywords: puzzle, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++, Python
 - Code license: GPL-3.0
 - Assets license: CC-BY-SA-3.0
diff --git a/entries/lgeneral.md b/entries/lgeneral.md
index 0bd0650d..6aceffcf 100644
--- a/entries/lgeneral.md
+++ b/entries/lgeneral.md
@@ -4,7 +4,7 @@
 - Media: https://en.wikipedia.org/wiki/Panzer_General#LGeneral
 - Inspirations: Panzer General
 - State: mature, inactive since 2017
-- Download: (see home)
+- Download: @see-home
 - Platform: Android
 - Keywords: strategy, remake, turn-based
 - Code repository: https://github.com/AndO3131/lgeneral.git (mirror), https://svn.code.sf.net/p/lgeneral/code (svn), http://lgeneral.cvs.sourceforge.net (cvs)
diff --git a/entries/libpng.md b/entries/libpng.md
index 2db4a36e..277a38f5 100644
--- a/entries/libpng.md
+++ b/entries/libpng.md
@@ -3,7 +3,7 @@
 - Home: http://libpng.org/pub/png/libpng.html, https://libpng.sourceforge.io/
 - Media: https://en.wikipedia.org/wiki/Libpng
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: library
 - Code repository: https://github.com/glennrp/libpng.git, https://sourceforge.net/p/libpng/code/ci/master/tree/
 - Code language: C
diff --git a/entries/lincity.md b/entries/lincity.md
index 4b3d81ed..1f09519e 100644
--- a/entries/lincity.md
+++ b/entries/lincity.md
@@ -4,7 +4,7 @@
 - Media: https://en.wikipedia.org/wiki/Lincity
 - Inspirations: SimCity
 - State: mature, inactive since 2005
-- Download: (see home)
+- Download: @see-home
 - Keywords: simulation, clone
 - Code repository: https://gitlab.com/osgames/lincity.git (backup of cvs), http://lincity.cvs.sourceforge.net/ (cvs)
 - Code language: C
diff --git a/entries/lips_of_suna.md b/entries/lips_of_suna.md
index 483c0f0c..eee2ceab 100644
--- a/entries/lips_of_suna.md
+++ b/entries/lips_of_suna.md
@@ -3,7 +3,7 @@
 - Home: <https://web.archive.org/web/20160904014454/http://lipsofsuna.org:80/>, https://sourceforge.net/projects/lipsofsuna/
 - State: beta, inactive since 2014
 - Keywords: role playing
-- Code repository: https://git.code.sf.net/p/lipsofsuna/code, https://gitlab.com/osgames/lipsofsuna.git (+)
+- Code repository: https://git.code.sf.net/p/lipsofsuna/code, https://gitlab.com/osgames/lipsofsuna.git @add
 - Code language: C
 - Code license: GPL-3.0
 
diff --git a/entries/liquid_war.md b/entries/liquid_war.md
index e2be0e82..c801eb92 100644
--- a/entries/liquid_war.md
+++ b/entries/liquid_war.md
@@ -6,7 +6,7 @@
 - Download: http://download.savannah.gnu.org/releases/liquidwar6/
 - Platform: Linux
 - Keywords: action, multiplayer
-- Code repository: https://git.savannah.gnu.org/git/liquidwar6.git, https://gitlab.com/osgames/liquidwar6.git (+)
+- Code repository: https://git.savannah.gnu.org/git/liquidwar6.git, https://gitlab.com/osgames/liquidwar6.git @add
 - Code language: C
 - Code license: GPL-3.0
 
diff --git a/entries/lix.md b/entries/lix.md
index 866ff91a..a4067ab4 100644
--- a/entries/lix.md
+++ b/entries/lix.md
@@ -4,7 +4,7 @@
 - Inspirations: Lemmings
 - State: beta
 - Keywords: puzzle, 2D, clone, multiplayer online, open content
-- Code repository: https://github.com/SimonN/LixD.git, https://github.com/SimonN/Lix.git (+)
+- Code repository: https://github.com/SimonN/LixD.git, https://github.com/SimonN/Lix.git @add
 - Code language: D, C++
 - Code license: CC0
 - Code dependencies: Allegro
diff --git a/entries/lordsawar.md b/entries/lordsawar.md
index 7c214487..13518e6a 100644
--- a/entries/lordsawar.md
+++ b/entries/lordsawar.md
@@ -4,7 +4,7 @@
 - Media: <https://en.wikipedia.org/wiki/Warlords_(game_series)#LordsAWar!>
 - Inspirations: Warlords II
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, turn-based
 - Code repository: https://git.savannah.nongnu.org/git/lordsawar.git
 - Code language: C++
diff --git a/entries/love.md b/entries/love.md
index f6cc203d..68bdf1b0 100644
--- a/entries/love.md
+++ b/entries/love.md
@@ -2,7 +2,7 @@
 
 - Home: https://love2d.org/
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS, Android, iOS
 - Keywords: framework
 - Code repository: https://github.com/love2d/love.git
diff --git a/entries/lzma_sdk.md b/entries/lzma_sdk.md
index faec2af9..8b8b68aa 100644
--- a/entries/lzma_sdk.md
+++ b/entries/lzma_sdk.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://7-zip.org/download.html, https://7-zip.org/sdk.html
 - Keywords: library
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: LGPL-2.0
 
diff --git a/entries/mah-jong.md b/entries/mah-jong.md
index 67def29a..c5a53723 100644
--- a/entries/mah-jong.md
+++ b/entries/mah-jong.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: http://mahjong.julianbradfield.org/Linux/, http://mahjong.julianbradfield.org/Windows/, http://mahjong.julianbradfield.org/Source/
 - Keywords: strategy
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Developer: Julian Bradfield
diff --git a/entries/mana.md b/entries/mana.md
index 454f5913..26f9960d 100644
--- a/entries/mana.md
+++ b/entries/mana.md
@@ -4,7 +4,7 @@
 - State: beta
 - Download: http://www.manasource.org/downloads.html
 - Keywords: framework, multiplayer online + massive
-- Code repository: https://github.com/mana/manaserv.git (https://github.com/mana), https://github.com/tales/tales-client.git (+)
+- Code repository: https://github.com/mana/manaserv.git (https://github.com/mana), https://github.com/tales/tales-client.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/marble_marcher.md b/entries/marble_marcher.md
index 581a8ff2..73d19415 100644
--- a/entries/marble_marcher.md
+++ b/entries/marble_marcher.md
@@ -4,7 +4,7 @@
 - State: mature
 - Platform: Windows, Linux
 - Keywords: puzzle, open content
-- Code repository: https://github.com/HackerPoet/MarbleMarcher.git, https://github.com/WAUthethird/Marble-Marcher-Community-Edition.git (+)
+- Code repository: https://github.com/HackerPoet/MarbleMarcher.git, https://github.com/WAUthethird/Marble-Marcher-Community-Edition.git @add
 - Code language: C++
 - Code license: GPL-2.0
 - Assets license: ? (GPL-2.0)
diff --git a/entries/mars.md b/entries/mars.md
index 26d1ab15..2dbb5867 100644
--- a/entries/mars.md
+++ b/entries/mars.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2016
 - Download: https://github.com/jwrdegoede/M.A.R.S./releases, https://sourceforge.net/projects/mars-game/files/
 - Keywords: platform, 2D, open content, shooter, top-down
-- Code repository: https://github.com/jwrdegoede/M.A.R.S..git, https://github.com/thelaui/M.A.R.S..git (+), https://svn.code.sf.net/p/mars-game/code (svn)
+- Code repository: https://github.com/jwrdegoede/M.A.R.S..git, https://github.com/thelaui/M.A.R.S..git @add, https://svn.code.sf.net/p/mars-game/code (svn)
 - Code language: C++, C
 - Code license: GPL-3.0
 - Code dependencies: OpenGL, SFML
diff --git a/entries/mega_mario.md b/entries/mega_mario.md
index 7619edef..745ab375 100644
--- a/entries/mega_mario.md
+++ b/entries/mega_mario.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/mmario/files/
 - Platform: Windows
 - Keywords: action, platform, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: LGPL-2.1
 - Code dependencies: SDL
diff --git a/entries/meridian_59.md b/entries/meridian_59.md
index 9146a78f..d9eb25bf 100644
--- a/entries/meridian_59.md
+++ b/entries/meridian_59.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://meridian59.com/play-now.php
 - Keywords: role playing, multiplayer online + massive
-- Code repository: https://github.com/Meridian59/Meridian59.git, https://github.com/OpenMeridian/Meridian59.git (+), https://github.com/OpenMeridian105/Meridian59.git (+), https://github.com/Arantis/Meridian59_112.git (+)
+- Code repository: https://github.com/Meridian59/Meridian59.git, https://github.com/OpenMeridian/Meridian59.git @add, https://github.com/OpenMeridian105/Meridian59.git @add, https://github.com/Arantis/Meridian59_112.git @add
 - Code language: C++, C
 - Code license: GPL-2.0
 
diff --git a/entries/meritous.md b/entries/meritous.md
index 726b4f60..5e24d118 100644
--- a/entries/meritous.md
+++ b/entries/meritous.md
@@ -3,7 +3,7 @@
 - Home: http://www.asceai.net/meritous/
 - Media: https://libregamewiki.org/Meritous
 - State: mature, inactive since 2008
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing
 - Code repository: https://github.com/Nop90-Switch/Meritous-Switch.git (import of version 1.2)
 - Code language: C
diff --git a/entries/mininim.md b/entries/mininim.md
index d80b34fc..c1e1b395 100644
--- a/entries/mininim.md
+++ b/entries/mininim.md
@@ -3,7 +3,7 @@
 - Home: http://oitofelix.github.io/mininim/
 - Inspirations: Prince of Persia
 - State: beta, inactive since 2017
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux
 - Keywords: action, open content, remake
 - Code repository: https://github.com/oitofelix/mininim.git
diff --git a/entries/minipacman.md b/entries/minipacman.md
index fa9a080f..3cda51cc 100644
--- a/entries/minipacman.md
+++ b/entries/minipacman.md
@@ -6,7 +6,7 @@
 - Download: https://github.com/fastrgv/MiniPacman/releases
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, open content, text-based
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Assets license: None
diff --git a/entries/mirror_magic.md b/entries/mirror_magic.md
index a4169e60..7c7e0076 100644
--- a/entries/mirror_magic.md
+++ b/entries/mirror_magic.md
@@ -4,7 +4,7 @@
 - Inspirations: Deflektor
 - State: mature
 - Keywords: puzzle, remake
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/mkxp.md b/entries/mkxp.md
index 8b7d7110..81bd8ee9 100644
--- a/entries/mkxp.md
+++ b/entries/mkxp.md
@@ -3,7 +3,7 @@
 - Home: https://github.com/Ancurio/mkxp
 - Inspirations: RPG Maker
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: framework, clone
 - Code repository: https://github.com/Ancurio/mkxp.git
 - Code language: C++, C
diff --git a/entries/mpango.md b/entries/mpango.md
index 90e607a1..01cb7861 100644
--- a/entries/mpango.md
+++ b/entries/mpango.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2013
 - Download: https://sourceforge.net/projects/mpango/files/
 - Keywords: strategy, multiplayer online + massive
-- Code repository: https://github.com/osgamearchive/mpango.git (conversion of svn and git), https://git.code.sf.net/p/mpango/git (+), https://svn.code.sf.net/p/mpango/code (svn)
+- Code repository: https://github.com/osgamearchive/mpango.git (conversion of svn and git), https://git.code.sf.net/p/mpango/git @add, https://svn.code.sf.net/p/mpango/code (svn)
 - Code language: Java
 - Code license: GPL-2.0
 
diff --git a/entries/mrfuze.md b/entries/mrfuze.md
index 59a2c5c5..17ccb414 100644
--- a/entries/mrfuze.md
+++ b/entries/mrfuze.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20081121190409/http://pymike.4rensics.org/mrfuze/
 - State: mature, inactive since 2008
 - Keywords: platform
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: LGPL-2.1
 - Code dependencies: pygame
diff --git a/entries/mtp_target.md b/entries/mtp_target.md
index c656e0fe..70a2af74 100644
--- a/entries/mtp_target.md
+++ b/entries/mtp_target.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20130630212354/https://www.mtp-target.org/, https://web.archive.org/web/20170206034650/http://gna.org/projects/mtptarget/, https://code.google.com/archive/p/tux-target/
 - State: mature, inactive since 2008
 - Keywords: action, multiplayer, online, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: NeL
diff --git a/entries/n2048.md b/entries/n2048.md
index f7c0f5a7..89f10a1f 100644
--- a/entries/n2048.md
+++ b/entries/n2048.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2014
 - Platform: Linux
 - Keywords: puzzle
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: 2-clause BSD
 - Code dependencies: ncurses
diff --git a/entries/ncurses.md b/entries/ncurses.md
index 4e1a36d5..4f9fea3b 100644
--- a/entries/ncurses.md
+++ b/entries/ncurses.md
@@ -6,7 +6,7 @@
 - Download: https://invisible-island.net/ncurses/#downloads
 - Platform: Windows, Linux
 - Keywords: library
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: MIT
 
diff --git a/entries/nethack.md b/entries/nethack.md
index 2613812d..689c70c7 100644
--- a/entries/nethack.md
+++ b/entries/nethack.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://www.nethack.org/common/index.html
 - Keywords: role playing, roguelike
-- Code repository: https://github.com/NetHack/NetHack.git, https://github.com/Vanilla-NetHack/NetHack-3.4.3.git (+), https://git.code.sf.net/p/nethack/NetHack
+- Code repository: https://github.com/NetHack/NetHack.git, https://github.com/Vanilla-NetHack/NetHack-3.4.3.git @add, https://git.code.sf.net/p/nethack/NetHack
 - Code language: C
 - Code license: Custom (Nethack General Public License)
 
diff --git a/entries/neverball.md b/entries/neverball.md
index 58e8dc3b..19277d4e 100644
--- a/entries/neverball.md
+++ b/entries/neverball.md
@@ -7,7 +7,7 @@
 - Download: https://neverball.org/download.php
 - Platform: Windows, macOS
 - Keywords: action, clone
-- Code repository: https://github.com/Neverball/neverball.git, https://github.com/Neverball/neverball-docs.git (+), https://github.com/Neverball/neverball-music.git (+)
+- Code repository: https://github.com/Neverball/neverball.git, https://github.com/Neverball/neverball-docs.git @add, https://github.com/Neverball/neverball-music.git @add
 - Code language: C, C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/noiz2sa.md b/entries/noiz2sa.md
index 0514cdc9..f9f91a81 100644
--- a/entries/noiz2sa.md
+++ b/entries/noiz2sa.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2004
 - Platform: Windows, Linux
 - Keywords: arcade, shootem
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C, C++
 - Code license: 2-clause BSD
 - Code dependencies: SDL
diff --git a/entries/not_pacman.md b/entries/not_pacman.md
index 02bbf5e3..ff9cfcab 100644
--- a/entries/not_pacman.md
+++ b/entries/not_pacman.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2013
 - Platform: Windows, Linux, macOS
 - Keywords: action, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Lua
 - Code license: WTFPL
 - Code dependencies: LÖVE
diff --git a/entries/nova_pinball.md b/entries/nova_pinball.md
index 1362b80a..288a4ab2 100644
--- a/entries/nova_pinball.md
+++ b/entries/nova_pinball.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/wesleywerner/nova-pinball/releases
 - Platform: Windows, Linux, macOS, Android, iOS (via LÖVE)
 - Keywords: sports
-- Code repository: https://github.com/wesleywerner/nova-pinball.git, https://github.com/wesleywerner/nova-pinball-engine.git (+)
+- Code repository: https://github.com/wesleywerner/nova-pinball.git, https://github.com/wesleywerner/nova-pinball-engine.git @add
 - Code language: Lua
 - Code license: GPL-3.0
 - Code dependencies: LÖVE
diff --git a/entries/numpty_physics.md b/entries/numpty_physics.md
index d5b3b968..6c0bddd3 100644
--- a/entries/numpty_physics.md
+++ b/entries/numpty_physics.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2016
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, physics, simulation
-- Code repository: https://github.com/thp/numptyphysics.git, https://github.com/svn2github/numptyphysics.git (+)
+- Code repository: https://github.com/thp/numptyphysics.git, https://github.com/svn2github/numptyphysics.git @add
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Box2D, SDL2
diff --git a/entries/nuncabola.md b/entries/nuncabola.md
index 783b64b8..4e18a5f8 100644
--- a/entries/nuncabola.md
+++ b/entries/nuncabola.md
@@ -4,7 +4,7 @@
 - Inspirations: Neverball, Super Monkey Ball
 - State: beta
 - Keywords: action, clone, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Java
 - Code license: GPL-2.0
 
diff --git a/entries/omnispeak.md b/entries/omnispeak.md
index 54969902..d0ef412c 100644
--- a/entries/omnispeak.md
+++ b/entries/omnispeak.md
@@ -3,7 +3,7 @@
 - Home: https://davidgow.net/keen/omnispeak.html
 - Inspirations: Commander Keen Series
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: remake, commercial content, requires original content
 - Code repository: https://github.com/sulix/omnispeak.git
 - Code language: C
diff --git a/entries/one_is_enough.md b/entries/one_is_enough.md
index efb5bc5e..ebc2f523 100644
--- a/entries/one_is_enough.md
+++ b/entries/one_is_enough.md
@@ -3,7 +3,7 @@
 - Home: http://www.hectigo.net/games/oneisenough/, https://packages.debian.org/search?keywords=oneisenough
 - State: beta, inactive since 2008
 - Keywords: arcade, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/open_game_engine.md b/entries/open_game_engine.md
index 777d6698..6142234c 100644
--- a/entries/open_game_engine.md
+++ b/entries/open_game_engine.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/oge/files/
 - Platform: Windows
 - Keywords: game engine, framework, game editor
-- Code repository: https://gitlab.com/osgames/oge.git (combination of cvs+svn+git), https://git.code.sf.net/p/oge/git (+), https://svn.code.sf.net/p/oge/svn (svn), http://oge.cvs.sourceforge.net (cvs)
+- Code repository: https://gitlab.com/osgames/oge.git (combination of cvs+svn+git), https://git.code.sf.net/p/oge/git @add, https://svn.code.sf.net/p/oge/svn (svn), http://oge.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: LGPL-2.1
 
diff --git a/entries/open_rsc.md b/entries/open_rsc.md
index 6f3624b8..01cc3b53 100644
--- a/entries/open_rsc.md
+++ b/entries/open_rsc.md
@@ -3,10 +3,10 @@
 - Home: https://runescapeclassic.dev/, https://web.archive.org/web/20200510133848/https://openrsc.com/
 - Inspirations: Runescape Classic
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS, Android
 - Keywords: role playing, multiplayer online + massive, remake
-- Code repository: https://gitlab.com/open-runescape-classic/core.git, https://gitlab.com/open-runescape-classic/single-player.git (+), https://github.com/Open-RSC/Core-Framework.git (mirror)
+- Code repository: https://gitlab.com/open-runescape-classic/core.git, https://gitlab.com/open-runescape-classic/single-player.git @add, https://github.com/Open-RSC/Core-Framework.git (mirror)
 - Code language: Java
 - Code license: GPL-3.0
 
diff --git a/entries/open_syobon_action.md b/entries/open_syobon_action.md
index 8a5f10b9..d862493c 100644
--- a/entries/open_syobon_action.md
+++ b/entries/open_syobon_action.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2011
 - Download: https://sourceforge.net/projects/opensyobon/files/
 - Keywords: remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: ? (GPL-2.0?)
 - Developer: Mathew Velasquez
diff --git a/entries/open_tibia.md b/entries/open_tibia.md
index b6437bb4..481cff8c 100644
--- a/entries/open_tibia.md
+++ b/entries/open_tibia.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2014
 - Download: https://sourceforge.net/projects/opentibia/files/
 - Keywords: role playing
-- Code repository: https://github.com/opentibia/server.git, https://github.com/opentibia/yatc.git (+)
+- Code repository: https://github.com/opentibia/server.git, https://github.com/opentibia/yatc.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/open_yahtzee.md b/entries/open_yahtzee.md
index 5a1fbad6..6a265577 100644
--- a/entries/open_yahtzee.md
+++ b/entries/open_yahtzee.md
@@ -5,7 +5,7 @@
 - Download: http://www.openyahtzee.org/wiki/download/, https://sourceforge.net/projects/openyahtzee/files/
 - Platform: Windows, Linux
 - Keywords: strategy, dice
-- Code repository: https://git.code.sf.net/p/openyahtzee/code, https://gitlab.com/osgames/openyahtzee.git (+)
+- Code repository: https://git.code.sf.net/p/openyahtzee/code, https://gitlab.com/osgames/openyahtzee.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/openal.md b/entries/openal.md
index e2d85764..5b4b8c91 100644
--- a/entries/openal.md
+++ b/entries/openal.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: http://www.openal.org/downloads/
 - Keywords: library
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: Proprietary (since v1.1, LGPL before)
 
diff --git a/entries/openarena.md b/entries/openarena.md
index 566a9a72..48d01976 100644
--- a/entries/openarena.md
+++ b/entries/openarena.md
@@ -7,7 +7,7 @@
 - Download: http://openarena.ws/download.php
 - Platform: Windows, Linux, macOS
 - Keywords: action, remake, shooter
-- Code repository: https://github.com/OpenArena/engine.git, https://github.com/suijingfeng/vkOpenArena.git (+)
+- Code repository: https://github.com/OpenArena/engine.git, https://github.com/suijingfeng/vkOpenArena.git @add
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/openblox.md b/entries/openblox.md
index 0da61850..e3c7e7ba 100644
--- a/entries/openblox.md
+++ b/entries/openblox.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/openblox/files/
 - Platform: Windows, Linux
 - Keywords: simulation, game maker
-- Code repository: http://hg.code.sf.net/p/openblox/openblox (hg), https://gitlab.com/osgames/openblox.git (+), http://hg.code.sf.net/p/openblox/bloxstaller (hg)
+- Code repository: http://hg.code.sf.net/p/openblox/openblox (hg), https://gitlab.com/osgames/openblox.git @add, http://hg.code.sf.net/p/openblox/bloxstaller (hg)
 - Code language: Python, Lua
 - Code license: GPL-3.0
 - Code dependencies: Panda3D, wxPython
diff --git a/entries/openc2e.md b/entries/openc2e.md
index 6d22aad1..f81a16a7 100644
--- a/entries/openc2e.md
+++ b/entries/openc2e.md
@@ -5,7 +5,7 @@
 - Inspirations: Creatures
 - State: beta
 - Keywords: simulation, game engine, remake, requires original content (?)
-- Code repository: https://github.com/openc2e/openc2e.git, https://github.com/ccdevnet/openc2e.git (+), https://github.com/nornagon/openc2e.git (+)
+- Code repository: https://github.com/openc2e/openc2e.git, https://github.com/ccdevnet/openc2e.git @add, https://github.com/nornagon/openc2e.git @add
 - Code language: C, C++
 - Code license: LGPL-2.1
 
diff --git a/entries/openggs.md b/entries/openggs.md
index a934f340..172b9e23 100644
--- a/entries/openggs.md
+++ b/entries/openggs.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2017
 - Download: https://web.archive.org/web/20190515074042/https://sourceforge.net/projects/openggs/files/
 - Keywords: remake, scrolling, skill
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/openglad.md b/entries/openglad.md
index 3b8ba6a2..c97368e3 100644
--- a/entries/openglad.md
+++ b/entries/openglad.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2004
 - Download: http://snowstorm.sourceforge.net/cgi-bin/site.cgi?page=download
 - Keywords: role playing, remake
-- Code repository: https://git.code.sf.net/p/snowstorm/git, https://gitlab.com/osgames/snowstorm.git (+)
+- Code repository: https://git.code.sf.net/p/snowstorm/git, https://gitlab.com/osgames/snowstorm.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/opmon.md b/entries/opmon.md
index 226e9cee..2e981684 100644
--- a/entries/opmon.md
+++ b/entries/opmon.md
@@ -5,7 +5,7 @@
 - State: beta
 - Platform: Windows, Linux, macOS
 - Keywords: remake, open content
-- Code repository: https://github.com/OpMonTeam/OpMon.git, https://github.com/OpMonTeam/OpMon-Data.git (+)
+- Code repository: https://github.com/OpMonTeam/OpMon.git, https://github.com/OpMonTeam/OpMon-Data.git @add
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: SFML
diff --git a/entries/orbit-hopper.md b/entries/orbit-hopper.md
index b602cda2..5fe789c0 100644
--- a/entries/orbit-hopper.md
+++ b/entries/orbit-hopper.md
@@ -4,7 +4,7 @@
 - Inspirations: SkyRoads
 - State: mature, inactive since 2019
 - Keywords: arcade, clone
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: OpenGL, SDL
diff --git a/entries/other-life.md b/entries/other-life.md
index 3985d79a..a0790274 100644
--- a/entries/other-life.md
+++ b/entries/other-life.md
@@ -5,7 +5,7 @@
 - State: beta
 - Download: http://www.other-life.com/downloads.php
 - Keywords: role playing, multiplayer online + massive
-- Code repository: https://github.com/jp8900308/other-life.git, https://github.com/gregoryfenton/other-life.git (+)
+- Code repository: https://github.com/jp8900308/other-life.git, https://github.com/gregoryfenton/other-life.git @add
 - Code language: C, C++
 - Code license: Custom (Eternal Lands license, modified QTPL)
 
diff --git a/entries/our_personal_space.md b/entries/our_personal_space.md
index 349333ef..28594476 100644
--- a/entries/our_personal_space.md
+++ b/entries/our_personal_space.md
@@ -2,7 +2,7 @@
 
 - Home: http://metasepia.icecavern.net/OurPersonalSpace/index.html
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: visual novel, simulation
 - Code repository: https://github.com/qirien/personal-space.git
 - Code language: Ren'py
diff --git a/entries/overgod.md b/entries/overgod.md
index 4c8137dd..8cc2c3ca 100644
--- a/entries/overgod.md
+++ b/entries/overgod.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/overgod/files/
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Assets license: ? (GPL)
diff --git a/entries/pacewar.md b/entries/pacewar.md
index c74128b0..a7b24dc1 100644
--- a/entries/pacewar.md
+++ b/entries/pacewar.md
@@ -5,7 +5,7 @@
 - Download: https://pacewar.github.io/download.html
 - Platform: Windows, Linux
 - Keywords: action, open content
-- Code repository: https://github.com/pacewar/pacewar.git, https://git.savannah.nongnu.org/git/pacewar.git (+), http://cvs.savannah.nongnu.org:/web/pacewar (cvs)
+- Code repository: https://github.com/pacewar/pacewar.git, https://git.savannah.nongnu.org/git/pacewar.git @add, http://cvs.savannah.nongnu.org:/web/pacewar (cvs)
 - Code language: Python
 - Code license: GPL-3.0
 - Code dependencies: SGE
diff --git a/entries/pachi.md b/entries/pachi.md
index 14a96ac0..f570d9a7 100644
--- a/entries/pachi.md
+++ b/entries/pachi.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/pasky/pachi/releases
 - Platform: Windows, Linux
 - Keywords: strategy, board
-- Code repository: https://github.com/pasky/pachi.git, https://repo.or.cz/pachi.git (+)
+- Code repository: https://github.com/pasky/pachi.git, https://repo.or.cz/pachi.git @add
 - Code language: C, Python
 - Code license: GPL-2.0
 
diff --git a/entries/pacman-canvas.md b/entries/pacman-canvas.md
index 04f61333..e5c03a90 100644
--- a/entries/pacman-canvas.md
+++ b/entries/pacman-canvas.md
@@ -3,7 +3,7 @@
 - Home: https://pacman.platzh1rsch.ch/
 - Inspirations: Pac-Man
 - State: mature, inactive since 2018
-- Play: (see home)
+- Play: @see-home
 - Platform: Web
 - Keywords: remake, skill
 - Code repository: https://github.com/platzhersh/pacman-canvas.git
diff --git a/entries/parsec47.md b/entries/parsec47.md
index 0c6a5eac..35fb86e1 100644
--- a/entries/parsec47.md
+++ b/entries/parsec47.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2003
 - Platform: Windows, Linux
 - Keywords: arcade, smashem
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: D
 - Code license: 2-clause BSD
 - Code dependencies: SDL
diff --git a/entries/penguin_command.md b/entries/penguin_command.md
index c1d6afc8..5deed4b9 100644
--- a/entries/penguin_command.md
+++ b/entries/penguin_command.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/penguin-command/files/penguin-command/
 - Platform: Windows, Linux, macOS
 - Keywords: arcade
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/phantasy_star_rebirth.md b/entries/phantasy_star_rebirth.md
index 5c9872f1..a5746185 100644
--- a/entries/phantasy_star_rebirth.md
+++ b/entries/phantasy_star_rebirth.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2013
 - Download: https://sourceforge.net/projects/phantasy/files
 - Keywords: role playing
-- Code repository: http://hg.code.sf.net/p/phantasy/code (hg), https://gitlab.com/osgames/phantasy.git (+)
+- Code repository: http://hg.code.sf.net/p/phantasy/code (hg), https://gitlab.com/osgames/phantasy.git @add
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/pixellight.md b/entries/pixellight.md
index d420ebfc..da02284e 100644
--- a/entries/pixellight.md
+++ b/entries/pixellight.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/pixellight/files/, https://github.com/PixelLightFoundation/pixellight/releases
 - Platform: Windows, Linux
 - Keywords: game engine, 3D
-- Code repository: https://github.com/PixelLightFoundation/pixellight.git, https://git.code.sf.net/p/pixellight/code (+), https://git.code.sf.net/p/pixellight/pixellight2 (+)
+- Code repository: https://github.com/PixelLightFoundation/pixellight.git, https://git.code.sf.net/p/pixellight/code @add, https://git.code.sf.net/p/pixellight/pixellight2 @add
 - Code language: C, C++
 - Code license: MIT
 
diff --git a/entries/plee_the_bear.md b/entries/plee_the_bear.md
index 182e79a8..0e687024 100644
--- a/entries/plee_the_bear.md
+++ b/entries/plee_the_bear.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2017
 - Download: https://sourceforge.net/projects/plee-the-bear/files/ (outdated)
 - Keywords: platform, open content
-- Code repository: https://github.com/j-jorge/plee-the-bear.git, https://github.com/j-jorge/bear.git (+)
+- Code repository: https://github.com/j-jorge/plee-the-bear.git, https://github.com/j-jorge/bear.git @add
 - Code language: Lisp, C++, Scheme, C
 - Code license: GPL-3.0
 - Code dependencies: Bear, SDL
diff --git a/entries/primeshooter.md b/entries/primeshooter.md
index 66eb9de3..1c6765c9 100644
--- a/entries/primeshooter.md
+++ b/entries/primeshooter.md
@@ -3,7 +3,7 @@
 - Home: http://thinkinghard.com/math/integers/PrimeShooter.html
 - State: mature, inactive since 2010
 - Keywords: arcade, educational, open content, shootem
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: JavaScript
 - Code license: GPL-2.0
 - Assets license: GPL-2.0
diff --git a/entries/progress-quest.md b/entries/progress-quest.md
index 36acebf7..f0a0b3bd 100644
--- a/entries/progress-quest.md
+++ b/entries/progress-quest.md
@@ -4,7 +4,7 @@
 - Inspirations: Progress Quest
 - State: mature
 - Keywords: arcade, remake
-- Code repository: https://github.com/arcadia-xenos/progress-quest.git, https://github.com/sandsmark/progress-quest.git (+)
+- Code repository: https://github.com/arcadia-xenos/progress-quest.git, https://github.com/sandsmark/progress-quest.git @add
 - Code language: C++
 - Code license: MIT
 - Code dependencies: Qt
diff --git a/entries/project_alexandria.md b/entries/project_alexandria.md
index 015f66fd..99d72e18 100644
--- a/entries/project_alexandria.md
+++ b/entries/project_alexandria.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2007
 - Download: http://www.sixthfloorlabs.com/files/
 - Keywords: arcade, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL
 - Code dependencies: pygame
diff --git a/entries/project_starfighter.md b/entries/project_starfighter.md
index f978d9c3..1578d928 100644
--- a/entries/project_starfighter.md
+++ b/entries/project_starfighter.md
@@ -5,7 +5,7 @@
 - Download: https://pr-starfighter.github.io/download.html, https://github.com/pr-starfighter/starfighter/releases
 - Platform: Windows, Linux
 - Keywords: arcade, open content, shootem
-- Code repository: https://github.com/pr-starfighter/starfighter.git, https://git.savannah.nongnu.org/git/starfighter.git (+), http://cvs.savannah.nongnu.org:/web/starfighter (cvs)
+- Code repository: https://github.com/pr-starfighter/starfighter.git, https://git.savannah.nongnu.org/git/starfighter.git @add, http://cvs.savannah.nongnu.org:/web/starfighter (cvs)
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/proquake_4.md b/entries/proquake_4.md
index f6fe194f..5f77903a 100644
--- a/entries/proquake_4.md
+++ b/entries/proquake_4.md
@@ -3,7 +3,7 @@
 - Home: http://quakeone.com/proquake/
 - Inspirations: Quake
 - State: mature, inactive since 2018
-- Download: (see home)
+- Download: @see-home
 - Keywords: remake
 - Code repository: (see downloads and https://web.archive.org/web/20200211052147/http://quakeone.com/proquake/older_sources/)
 - Code language: C
diff --git a/entries/psy_pong_3d.md b/entries/psy_pong_3d.md
index 89ac7a1a..cc5af644 100644
--- a/entries/psy_pong_3d.md
+++ b/entries/psy_pong_3d.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2009
 - Download: https://sourceforge.net/projects/psypong3d/files/
 - Keywords: arcade
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-3.0
 - Developer: Quetzy Garcia
diff --git a/entries/psyco.md b/entries/psyco.md
index 44067090..2a7927fc 100644
--- a/entries/psyco.md
+++ b/entries/psyco.md
@@ -5,7 +5,7 @@
 - Download: http://psyco.sourceforge.net/download.html
 - Platform: Windows, Linux
 - Keywords: tool
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: MIT
 
diff --git a/entries/pthreads-win32.md b/entries/pthreads-win32.md
index af5cac3f..8a1ed406 100644
--- a/entries/pthreads-win32.md
+++ b/entries/pthreads-win32.md
@@ -3,7 +3,7 @@
 - Home: https://sourceware.org/pthreads-win32/
 - Media: https://en.wikipedia.org/wiki/POSIX_Threads#POSIX_Threads_for_Windows
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: library
 - Code repository: https://github.com/GerHobbelt/pthread-win32.git, (cvs, see home)
 - Code language: C
diff --git a/entries/pychess.md b/entries/pychess.md
index 8aa0111b..43d5554e 100644
--- a/entries/pychess.md
+++ b/entries/pychess.md
@@ -5,7 +5,7 @@
 - Download: http://pychess.org/download/, https://github.com/pychess/pychess/releases
 - Platform: Windows, Linux
 - Keywords: puzzle, chess, open content
-- Code repository: https://github.com/pychess/pychess.git, https://github.com/gbtami/pychess-variants.git (+)
+- Code repository: https://github.com/pychess/pychess.git, https://github.com/gbtami/pychess-variants.git @add
 - Code language: Python
 - Code license: GPL-3.0
 - Assets license: ? (GPL)
diff --git a/entries/pyorpg.md b/entries/pyorpg.md
index 99d6345f..483fe595 100644
--- a/entries/pyorpg.md
+++ b/entries/pyorpg.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20131114162141/http://www.powrtoch.org:80/pyorpg
 - State: beta, inactive since 2015
 - Keywords: framework
-- Code repository: https://github.com/marcusmoller/pyorpg-client.git, https://github.com/marcusmoller/pyorpg-server.git (+)
+- Code repository: https://github.com/marcusmoller/pyorpg-client.git, https://github.com/marcusmoller/pyorpg-server.git @add
 - Code language: Python
 - Code license: MIT
 - Code dependencies: PGU, pygame, Twisted
diff --git a/entries/pyqt.md b/entries/pyqt.md
index 0820caf8..57fc5d49 100644
--- a/entries/pyqt.md
+++ b/entries/pyqt.md
@@ -5,7 +5,7 @@
 - State: mature
 - Platform: Windows, Linux, macOS, Android, iOS
 - Keywords: library
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++, Python
 - Code license: GPL-3.0, Custom (Riverbank Commercial License)
 - Code dependencies: Qt
diff --git a/entries/pyracerz.md b/entries/pyracerz.md
index 3f89fa2a..7e42a6a4 100644
--- a/entries/pyracerz.md
+++ b/entries/pyracerz.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2005
 - Download: https://sourceforge.net/projects/pyracerz/files/
 - Keywords: framework, racing
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/pysol.md b/entries/pysol.md
index 82903e03..c1f4fe1b 100644
--- a/entries/pysol.md
+++ b/entries/pysol.md
@@ -6,7 +6,7 @@
 - Download: http://www.pysol.org/#download
 - Platform: Windows, Linux, macOS
 - Keywords: strategy, cards
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: tkinter
diff --git a/entries/python_kye.md b/entries/python_kye.md
index d0079f0e..acbff6d8 100644
--- a/entries/python_kye.md
+++ b/entries/python_kye.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2010
 - Download: http://games.moria.org.uk/kye/download-install
 - Keywords: puzzle, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-2.0
 
diff --git a/entries/ragel.md b/entries/ragel.md
index 4e9cb800..19fd771b 100644
--- a/entries/ragel.md
+++ b/entries/ragel.md
@@ -3,7 +3,7 @@
 - Home: http://www.colm.net/open-source/ragel/
 - Media: https://en.wikipedia.org/wiki/Ragel
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: library
 - Code repository: git://git.colm.net/ragel.git
 - Code language: C++
diff --git a/entries/raylib.md b/entries/raylib.md
index be91d10d..839e011c 100644
--- a/entries/raylib.md
+++ b/entries/raylib.md
@@ -5,7 +5,7 @@
 - Download: https://raysan5.itch.io/raylib
 - Platform: Windows, Linux, macOS, Android, Web
 - Keywords: framework
-- Code repository: https://github.com/raysan5/raylib.git, https://github.com/ChrisDill/Raylib-cs.git (+)
+- Code repository: https://github.com/raysan5/raylib.git, https://github.com/ChrisDill/Raylib-cs.git @add
 - Code language: C, C++
 - Code license: zlib
 
diff --git a/entries/regoth.md b/entries/regoth.md
index d824ff94..22bc8d5b 100644
--- a/entries/regoth.md
+++ b/entries/regoth.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://github.com/REGoth-project/REGoth/releases
 - Keywords: role playing, commercial content, remake, requires original content
-- Code repository: https://github.com/REGoth-project/REGoth-bs.git, https://github.com/REGoth-project/REGoth.git (+)
+- Code repository: https://github.com/REGoth-project/REGoth-bs.git, https://github.com/REGoth-project/REGoth.git @add
 - Code language: C++
 - Code license: GPL-3.0, MIT (https://github.com/REGoth-project/REGoth-bs/blob/master/LICENSE)
 
diff --git a/entries/reliquarium.md b/entries/reliquarium.md
index 3bdbabfc..4359d1a9 100644
--- a/entries/reliquarium.md
+++ b/entries/reliquarium.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/Reliquarium/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-2.0
 - Code dependencies: OpenGL, SDL2
diff --git a/entries/renpy.md b/entries/renpy.md
index 6a771050..fdc6a98d 100644
--- a/entries/renpy.md
+++ b/entries/renpy.md
@@ -5,7 +5,7 @@
 - Download: https://www.renpy.org/latest.html
 - Platform: Windows, Linux, macOS, Android, iOS, Web
 - Keywords: visual novel, framework
-- Code repository: https://github.com/renpy/renpy.git, https://github.com/renpy/pygame_sdl2.git (+), https://github.com/renpy/renpy-deps.git (+), https://github.com/renpy/python-for-android.git (+), https://github.com/renpy/rapt.git (+), https://github.com/renpy/renios.git (+)
+- Code repository: https://github.com/renpy/renpy.git, https://github.com/renpy/pygame_sdl2.git @add, https://github.com/renpy/renpy-deps.git @add, https://github.com/renpy/python-for-android.git @add, https://github.com/renpy/rapt.git @add, https://github.com/renpy/renios.git @add
 - Code language: C, Python, Ren'Py
 - Code license: LGPL-2.1 (most code under MIT)
 - Code dependencies: pygame, SDL2
diff --git a/entries/return_to_the_roots.md b/entries/return_to_the_roots.md
index 910a994c..ed7aa6d1 100644
--- a/entries/return_to_the_roots.md
+++ b/entries/return_to_the_roots.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://www.siedler25.org/index.php?com=dynamic&mod=2
 - Keywords: strategy, remake, requires original content (Settlers II Gold)
-- Code repository: https://launchpad.net/s25rttr, https://github.com/Return-To-The-Roots/s25client.git (+)
+- Code repository: https://launchpad.net/s25rttr, https://github.com/Return-To-The-Roots/s25client.git @add
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/ri-li.md b/entries/ri-li.md
index 86450b00..6890c588 100644
--- a/entries/ri-li.md
+++ b/entries/ri-li.md
@@ -5,7 +5,7 @@
 - Download: http://ri-li.sourceforge.net/download.html, https://sourceforge.net/projects/ri-li/files/
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, open content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/rot_magus.md b/entries/rot_magus.md
index 307a4b08..9f61bc94 100644
--- a/entries/rot_magus.md
+++ b/entries/rot_magus.md
@@ -7,7 +7,7 @@
 - Play: https://gamejolt.com/games/rm/41491
 - Platform: Web
 - Keywords: role playing, open content, remake, roguelike, turn-based
-- Code repository: https://github.com/kosinaz/Rot-Magus.git, https://github.com/cxong/MagusPreservation.git (+)
+- Code repository: https://github.com/kosinaz/Rot-Magus.git, https://github.com/cxong/MagusPreservation.git @add
 - Code language: JavaScript
 - Code license: Apache-2.0, CC0
 - Code dependencies: Phaser, rot.js
diff --git a/entries/rpge.md b/entries/rpge.md
index bc37f6d3..96c91fda 100644
--- a/entries/rpge.md
+++ b/entries/rpge.md
@@ -3,7 +3,7 @@
 - Home: http://savannah.gnu.org/projects/rpge/
 - State: beta, inactive since 2014
 - Keywords: framework
-- Code repository: https://git.savannah.gnu.org/git/rpge.git, https://gitlab.com/osgames/rpge.git (+)
+- Code repository: https://git.savannah.gnu.org/git/rpge.git, https://gitlab.com/osgames/rpge.git @add
 - Code language: C
 - Code license: GPL-3.0
 
diff --git a/entries/rrootage.md b/entries/rrootage.md
index ac249256..c06fe46e 100644
--- a/entries/rrootage.md
+++ b/entries/rrootage.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2004
 - Platform: Windows, Linux
 - Keywords: game engine, smashem
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: 2-clause BSD
 - Code dependencies: SDL
diff --git a/entries/rufascube.md b/entries/rufascube.md
index 1f30b27b..028dca81 100644
--- a/entries/rufascube.md
+++ b/entries/rufascube.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/RufasCube/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-2.0
 - Code dependencies: OpenGL, SDL2
diff --git a/entries/rufasslider.md b/entries/rufasslider.md
index 47dc92a0..af96cf7a 100644
--- a/entries/rufasslider.md
+++ b/entries/rufasslider.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/RufasSlider/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, slider
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: OpenGL, SDL2
diff --git a/entries/rufasswap.md b/entries/rufasswap.md
index 44342153..b160a743 100644
--- a/entries/rufasswap.md
+++ b/entries/rufasswap.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/RufasSwap/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, for kids
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Code dependencies: OpenGL, SDL2
diff --git a/entries/runelite.md b/entries/runelite.md
index 6dcbe3bc..971428c2 100644
--- a/entries/runelite.md
+++ b/entries/runelite.md
@@ -4,7 +4,7 @@
 - Media: https://en.wikipedia.org/wiki/RuneScape
 - Inspirations: Old School RuneScape
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing, client, commercial content, multiplayer competitive + online + co-op, remake
 - Code repository: https://github.com/runelite/runelite.git
 - Code language: Java
diff --git a/entries/scorched3d.md b/entries/scorched3d.md
index afa1dc51..b5f84c28 100644
--- a/entries/scorched3d.md
+++ b/entries/scorched3d.md
@@ -7,7 +7,7 @@
 - Download: http://www.scorched3d.co.uk/#download, https://sourceforge.net/projects/scorched3d/files/
 - Platform: Windows, Linux
 - Keywords: action, 3D, artillery, clone
-- Code repository: https://github.com/osgamearchive/scorched3d.git (combination of cvs+svn+git), https://git.code.sf.net/p/scorched3d/git (+), https://svn.code.sf.net/p/scorched3d/code (svn), http://scorched3d.cvs.sourceforge.net (cvs)
+- Code repository: https://github.com/osgamearchive/scorched3d.git (combination of cvs+svn+git), https://git.code.sf.net/p/scorched3d/git @add, https://svn.code.sf.net/p/scorched3d/code (svn), http://scorched3d.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/scorched_moon.md b/entries/scorched_moon.md
index ffc3d96a..b1b7fe11 100644
--- a/entries/scorched_moon.md
+++ b/entries/scorched_moon.md
@@ -4,7 +4,7 @@
 - Inspirations: Moonbase Commander
 - State: beta
 - Keywords: strategy, remake
-- Code repository: https://github.com/Scorched-Moon/server.git, https://github.com/Scorched-Moon/client.git (+)
+- Code repository: https://github.com/Scorched-Moon/server.git, https://github.com/Scorched-Moon/client.git @add
 - Code language: Python
 - Code license: GPL-3.0
 - Code dependencies: PGU, pygame
diff --git a/entries/scrabble3d.md b/entries/scrabble3d.md
index ea184c26..ac612b2e 100644
--- a/entries/scrabble3d.md
+++ b/entries/scrabble3d.md
@@ -2,10 +2,10 @@
 
 - Home: http://scrabble.sourceforge.net/wiki/, https://sourceforge.net/projects/scrabble/
 - State: mature, inactive since 2015
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: strategy, board
-- Code repository: https://gitlab.com/osgames/scrabble3d.git (conversion of svn), https://github.com/HeikoTietze/scrabble3d.git (+), https://svn.code.sf.net/p/scrabble/code (svn)
+- Code repository: https://gitlab.com/osgames/scrabble3d.git (conversion of svn), https://github.com/HeikoTietze/scrabble3d.git @add, https://svn.code.sf.net/p/scrabble/code (svn)
 - Code language: Pascal
 - Code license: GPL-3.0
 
diff --git a/entries/scrolling_game_development_kit_2.md b/entries/scrolling_game_development_kit_2.md
index cd035385..7193e7ce 100644
--- a/entries/scrolling_game_development_kit_2.md
+++ b/entries/scrolling_game_development_kit_2.md
@@ -5,7 +5,7 @@
 - Download: http://sgdk2.sourceforge.net/download.php, https://sourceforge.net/projects/sgdk2/files/
 - Platform: Windows
 - Keywords: framework, side-scrolling
-- Code repository: https://git.code.sf.net/p/sgdk2/git, https://gitlab.com/osgames/sgdk2.git (+), https://svn.code.sf.net/p/sgdk2/code (svn - contained in git)
+- Code repository: https://git.code.sf.net/p/sgdk2/git, https://gitlab.com/osgames/sgdk2.git @add, https://svn.code.sf.net/p/sgdk2/code (svn - contained in git)
 - Code language: C#
 - Code license: GPL-2.0
 
diff --git a/entries/sdl_bomber.md b/entries/sdl_bomber.md
index cc3e8c73..05fc3971 100644
--- a/entries/sdl_bomber.md
+++ b/entries/sdl_bomber.md
@@ -3,10 +3,10 @@
 - Home: https://web.archive.org/web/20200114185344/http://www.linuxmotors.com/SDL_bomber/
 - Inspirations: Bomberman
 - State: mature, inactive since 2012
-- Download: (see home)
+- Download: @see-home
 - Platform: Linux
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/search_for_the_red_herring.md b/entries/search_for_the_red_herring.md
index af8b417f..684de689 100644
--- a/entries/search_for_the_red_herring.md
+++ b/entries/search_for_the_red_herring.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2006
 - Download: https://sourceforge.net/projects/sftrh/files/sftrh/
 - Keywords: strategy, open content, real time
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame, PygLibs
diff --git a/entries/sentient_storage.md b/entries/sentient_storage.md
index d338b0ec..11208318 100644
--- a/entries/sentient_storage.md
+++ b/entries/sentient_storage.md
@@ -2,7 +2,7 @@
 
 - Home: https://pyweek.org/e/np8g/
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: adventure
 - Code repository: https://github.com/blakeohare/pyweek-sentientstorage.git (JavaScript version)
 - Code language: Python
diff --git a/entries/sge_game_engine.md b/entries/sge_game_engine.md
index 52e88dfd..6514f390 100644
--- a/entries/sge_game_engine.md
+++ b/entries/sge_game_engine.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2017
 - Download: https://python-sge.github.io/download.html
 - Keywords: game engine, 2D, framework
-- Code repository: https://github.com/python-sge/sge.git, https://git.savannah.nongnu.org/git/stellarengine.git (+), http://cvs.savannah.nongnu.org:/web/stellarengine (cvs)
+- Code repository: https://github.com/python-sge/sge.git, https://git.savannah.nongnu.org/git/stellarengine.git @add, http://cvs.savannah.nongnu.org:/web/stellarengine (cvs)
 - Code language: Python
 - Code license: LGPL-3.0
 - Code dependencies: pygame
diff --git a/entries/simon_tathams_portable_puzzle_collection.md b/entries/simon_tathams_portable_puzzle_collection.md
index 15550899..257f5081 100644
--- a/entries/simon_tathams_portable_puzzle_collection.md
+++ b/entries/simon_tathams_portable_puzzle_collection.md
@@ -4,7 +4,7 @@
 - State: mature
 - Platform: Windows, Linux, macOS, Android, iOS
 - Keywords: remake, open content, puzzle games collection
-- Code repository: https://git.tartarus.org/simon/puzzles.git, https://github.com/chrisboyle/sgtpuzzles.git (+), https://github.com/ghewgill/puzzles.git (+)
+- Code repository: https://git.tartarus.org/simon/puzzles.git, https://github.com/chrisboyle/sgtpuzzles.git @add, https://github.com/ghewgill/puzzles.git @add
 - Code language: C
 - Code license: MIT
 - Code dependencies: GTK
diff --git a/entries/simsu.md b/entries/simsu.md
index a1484961..46cb04a1 100644
--- a/entries/simsu.md
+++ b/entries/simsu.md
@@ -4,7 +4,7 @@
 - State: mature
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, sudoku
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Qt
diff --git a/entries/sinatra.md b/entries/sinatra.md
index 7561ac62..f821faba 100644
--- a/entries/sinatra.md
+++ b/entries/sinatra.md
@@ -3,7 +3,7 @@
 - Home: https://web.archive.org/web/20120326005334/http://fredrik.jemla.eu/sinatra/
 - State: mature, inactive since 2008
 - Keywords: music, karaoke, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: FreeType, GStreamer, libavformat, portaudio, SDL
diff --git a/entries/skrupel-tribute_compilation.md b/entries/skrupel-tribute_compilation.md
index 0863dc94..ac6357c3 100644
--- a/entries/skrupel-tribute_compilation.md
+++ b/entries/skrupel-tribute_compilation.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2011
 - Download: https://sourceforge.net/projects/skrupel/files
 - Keywords: strategy
-- Code repository: https://github.com/kantoks/skrupel.git (continuation), https://gitlab.com/osgames/skrupel.git (+), http://skrupel.cvs.sourceforge.net/ (cvs)
+- Code repository: https://github.com/kantoks/skrupel.git (continuation), https://gitlab.com/osgames/skrupel.git @add, http://skrupel.cvs.sourceforge.net/ (cvs)
 - Code language: PHP, JavaScript
 - Code license: GPL-2.0
 
diff --git a/entries/slime_volley.md b/entries/slime_volley.md
index 04f0a81e..9034f8a6 100644
--- a/entries/slime_volley.md
+++ b/entries/slime_volley.md
@@ -6,7 +6,7 @@
 - Download: http://slime.tuxfamily.org/down.php
 - Platform: Windows, Linux, macOS
 - Keywords: arcade
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/slune.md b/entries/slune.md
index e47d5864..a8939fbb 100644
--- a/entries/slune.md
+++ b/entries/slune.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2007
 - Download: http://www.lesfleursdunormal.fr/static/informatique/old/slune/download_en.html, https://pypi.org/project/Slune/
 - Keywords: action
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: Cal3D, GLEW, OpenGL, Py2Play, SDL
diff --git a/entries/smash_battle.md b/entries/smash_battle.md
index 6f19dbc4..7e351c64 100644
--- a/entries/smash_battle.md
+++ b/entries/smash_battle.md
@@ -5,7 +5,7 @@
 - Download: https://smashbattle.demontpx.com/downloads/, https://sourceforge.net/projects/smashbattle/files/
 - Platform: Windows, Linux
 - Keywords: action, 2D, platform, shootem
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: ?
 
diff --git a/entries/star-control2.md b/entries/star-control2.md
index 9dc714c2..2966202e 100644
--- a/entries/star-control2.md
+++ b/entries/star-control2.md
@@ -4,7 +4,7 @@
 - Inspirations: Star Control 2
 - State: mature
 - Keywords: adventure, remake, shootem
-- Code repository: https://github.com/jjimenezg93/star-control2.git, https://github.com/jjimenezg93/U-gine.git (+), https://github.com/jjimenezg93/InputManager.git (+)
+- Code repository: https://github.com/jjimenezg93/star-control2.git, https://github.com/jjimenezg93/U-gine.git @add, https://github.com/jjimenezg93/InputManager.git @add
 - Code language: C, C++
 - Code license: MIT
 
diff --git a/entries/star_maiden_astraea_rio.md b/entries/star_maiden_astraea_rio.md
index a8b38622..36e7ff70 100644
--- a/entries/star_maiden_astraea_rio.md
+++ b/entries/star_maiden_astraea_rio.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: http://www.mediafire.com/file/jog3fcfxgsyd03f/Astraea_Rio-1.05-all.zip/file
 - Keywords: adventure, for adults, visual novel
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ren'py
 - Code license: MIT
 - Code dependencies: Ren'Py
diff --git a/entries/stendhal.md b/entries/stendhal.md
index d8b7dc4c..0d5cbc39 100644
--- a/entries/stendhal.md
+++ b/entries/stendhal.md
@@ -2,9 +2,9 @@
 
 - Home: https://stendhalgame.org/, https://sourceforge.net/projects/arianne/
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing, multiplayer, online
-- Code repository: https://github.com/arianne/stendhal.git, https://git.code.sf.net/p/arianne/stendhal (+)
+- Code repository: https://github.com/arianne/stendhal.git, https://git.code.sf.net/p/arianne/stendhal @add
 - Code language: Java
 - Code license: GPL-2.0
 
diff --git a/entries/story_of_a_lost_sky.md b/entries/story_of_a_lost_sky.md
index 864a024e..410e4338 100644
--- a/entries/story_of_a_lost_sky.md
+++ b/entries/story_of_a_lost_sky.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://bitbucket.org/featheredmelody/lost-sky-project-public/downloads/
 - Keywords: role playing
-- Code repository: https://bitbucket.org/featheredmelody/lost-sky-project-public/src (hg), https://gitlab.com/osgames/lost-sky.git (+)
+- Code repository: https://bitbucket.org/featheredmelody/lost-sky-project-public/src (hg), https://gitlab.com/osgames/lost-sky.git @add
 - Code language: Python
 - Code license: 3-clause BSD
 - Code dependencies: pygame
diff --git a/entries/super_methane_brothers.md b/entries/super_methane_brothers.md
index e2a1965c..f1236c27 100644
--- a/entries/super_methane_brothers.md
+++ b/entries/super_methane_brothers.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/methane/files/Methane%20Stable/
 - Platform: Windows, Linux
 - Keywords: arcade, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/super_transball_2.md b/entries/super_transball_2.md
index e87cf284..bae86e3a 100644
--- a/entries/super_transball_2.md
+++ b/entries/super_transball_2.md
@@ -4,7 +4,7 @@
 - Inspirations: Transball
 - State: mature, inactive since 2005
 - Keywords: arcade, open content, side-scrolling
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/supercars_iii.md b/entries/supercars_iii.md
index e87ad685..954d3fe7 100644
--- a/entries/supercars_iii.md
+++ b/entries/supercars_iii.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2014
 - Download: https://jotd.pagesperso-orange.fr/supercars3/Supercars3_06.zip
 - Keywords: remake, racing
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Java
 - Code license: ? (JRL)
 
diff --git a/entries/syndicate_wars_port.md b/entries/syndicate_wars_port.md
index d1c439ad..c2d225d3 100644
--- a/entries/syndicate_wars_port.md
+++ b/entries/syndicate_wars_port.md
@@ -6,7 +6,7 @@
 - State: beta, inactive since 2010
 - Download: http://swars.vexillium.org/#download
 - Keywords: action, commercial content, real time, remake, requires original content, strategy
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/tanglet.md b/entries/tanglet.md
index 2f6371b0..038d5df0 100644
--- a/entries/tanglet.md
+++ b/entries/tanglet.md
@@ -4,7 +4,7 @@
 - Inspirations: Boggle
 - State: mature
 - Keywords: puzzle, open content
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Qt
diff --git a/entries/tanks_of_freedom.md b/entries/tanks_of_freedom.md
index 73d9cb2d..be5132cc 100644
--- a/entries/tanks_of_freedom.md
+++ b/entries/tanks_of_freedom.md
@@ -3,7 +3,7 @@
 - Home: https://tof.p1x.in/, https://w84death.itch.io/tanks-of-freedom
 - Inspirations: Advance Wars
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, clone, multiplayer hotseat + online, open content
 - Code repository: https://github.com/w84death/Tanks-of-Freedom.git
 - Code language: GDScript
diff --git a/entries/termfrogger.md b/entries/termfrogger.md
index 86fb5ac4..ae088aef 100644
--- a/entries/termfrogger.md
+++ b/entries/termfrogger.md
@@ -6,7 +6,7 @@
 - Download: https://github.com/fastrgv/TermFrogger/releases
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, open content, text-based
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Assets license: None
diff --git a/entries/terminalapps.md b/entries/terminalapps.md
index 4e9f9e77..6dcc2c14 100644
--- a/entries/terminalapps.md
+++ b/entries/terminalapps.md
@@ -5,7 +5,7 @@
 - Download: https://github.com/fastrgv/TerminalApps/releases
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, text-based
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Ada
 - Code license: GPL-3.0
 - Assets license: None
diff --git a/entries/tetzle.md b/entries/tetzle.md
index 673217d0..65331a35 100644
--- a/entries/tetzle.md
+++ b/entries/tetzle.md
@@ -3,7 +3,7 @@
 - Home: https://gottcode.org/tetzle/
 - State: mature
 - Keywords: puzzle, jigsaw
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: Qt
diff --git a/entries/the_bubs_brothers.md b/entries/the_bubs_brothers.md
index b0fc1b51..8abc4195 100644
--- a/entries/the_bubs_brothers.md
+++ b/entries/the_bubs_brothers.md
@@ -6,7 +6,7 @@
 - Download: http://bub-n-bros.sourceforge.net/download.html
 - Platform: Windows, Linux, macOS
 - Keywords: board, clone, remake
-- Code repository: https://bitbucket.org/arigo/bub-n-bros (hg), https://gitlab.com/osgames/the-bubs-brothers.git (+), http://bub-n-bros.cvs.sourceforge.net (cvs)
+- Code repository: https://bitbucket.org/arigo/bub-n-bros (hg), https://gitlab.com/osgames/the-bubs-brothers.git @add, http://bub-n-bros.cvs.sourceforge.net (cvs)
 - Code language: Python
 - Code license: MIT
 - Code dependencies: pygame
diff --git a/entries/the_epic_of_heroes.md b/entries/the_epic_of_heroes.md
index 9a9d3340..b567ee42 100644
--- a/entries/the_epic_of_heroes.md
+++ b/entries/the_epic_of_heroes.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2015
 - Download: https://sourceforge.net/projects/epicheroes/files
 - Keywords: strategy
-- Code repository: https://git.code.sf.net/p/epicheroes/code, https://gitlab.com/osgames/epicheroes.git (+)
+- Code repository: https://git.code.sf.net/p/epicheroes/code, https://gitlab.com/osgames/epicheroes.git @add
 - Code language: C++
 - Code license: GPL-3.0
 
diff --git a/entries/the_mana_world.md b/entries/the_mana_world.md
index 6104adb1..634300a2 100644
--- a/entries/the_mana_world.md
+++ b/entries/the_mana_world.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://wiki.themanaworld.org/index.php/Downloads
 - Keywords: role playing, multiplayer online + massive
-- Code repository: https://github.com/themanaworld/tmwa.git (https://github.com/themanaworld), https://gitlab.com/manaplus/manaplus.git (+)
+- Code repository: https://github.com/themanaworld/tmwa.git (https://github.com/themanaworld), https://gitlab.com/manaplus/manaplus.git @add
 - Code language: PHP
 - Code license: GPL-2.0
 
diff --git a/entries/the_powder_toy.md b/entries/the_powder_toy.md
index b59ad805..9d495247 100644
--- a/entries/the_powder_toy.md
+++ b/entries/the_powder_toy.md
@@ -3,7 +3,7 @@
 - Home: https://powdertoy.co.uk/
 - Inspirations: Powder Game
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS, Android
 - Keywords: simulation, clone, open content
 - Code repository: https://github.com/The-Powder-Toy/The-Powder-Toy.git
diff --git a/entries/the_ur-quan_masters.md b/entries/the_ur-quan_masters.md
index 074a14ee..8c5a1d76 100644
--- a/entries/the_ur-quan_masters.md
+++ b/entries/the_ur-quan_masters.md
@@ -6,7 +6,7 @@
 - State: mature, inactive since 2011
 - Download: http://sc2.sourceforge.net/downloads.php
 - Keywords: strategy, remake, turn-based
-- Code repository: https://git.code.sf.net/p/sc2/uqm, https://gitlab.com/osgames/uqm.git (+)
+- Code repository: https://git.code.sf.net/p/sc2/uqm, https://gitlab.com/osgames/uqm.git @add
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/thousand_parsec.md b/entries/thousand_parsec.md
index a2ae20bf..f9937f3a 100644
--- a/entries/thousand_parsec.md
+++ b/entries/thousand_parsec.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2012
 - Download: https://web.archive.org/web/20180523204730/http://www.thousandparsec.net/tp/download-instructions.php
 - Keywords: strategy
-- Code repository: https://github.com/thousandparsec/tpserver-cpp.git, https://github.com/thousandparsec/tpclient-pywx.git (+), (http://git.thousandparsec.net/ not available right now)
+- Code repository: https://github.com/thousandparsec/tpserver-cpp.git, https://github.com/thousandparsec/tpclient-pywx.git @add, (http://git.thousandparsec.net/ not available right now)
 - Code language: C++, Python
 - Code license: GPL-2.0
 - Code dependencies: NumPy, psyco, pygame, pyOpenSSL, wxPython
diff --git a/entries/thrust.md b/entries/thrust.md
index 1fe02817..6c3fd788 100644
--- a/entries/thrust.md
+++ b/entries/thrust.md
@@ -6,7 +6,7 @@
 - Download: https://www.lysator.liu.se/~peda/thrust/src/
 - Platform: Windows, Linux
 - Keywords: arcade, remake, skill
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/toppler.md b/entries/toppler.md
index 5ea806dd..14e6e43d 100644
--- a/entries/toppler.md
+++ b/entries/toppler.md
@@ -6,7 +6,7 @@
 - Download: http://toppler.sourceforge.net/#downloads, https://sourceforge.net/projects/toppler/files/
 - Platform: Windows, Linux
 - Keywords: action, puzzle, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/torcs_the_open_racing_car_simulator.md b/entries/torcs_the_open_racing_car_simulator.md
index cc5267f1..4b5b817d 100644
--- a/entries/torcs_the_open_racing_car_simulator.md
+++ b/entries/torcs_the_open_racing_car_simulator.md
@@ -6,7 +6,7 @@
 - Download: http://torcs.sourceforge.net/index.php?name=Sections&op=viewarticle&artid=3, https://sourceforge.net/projects/torcs/files/
 - Platform: Windows, Linux
 - Keywords: simulation, open content, racing
-- Code repository: https://git.code.sf.net/p/torcs/code, https://gitlab.com/osgames/torcs.git (+)
+- Code repository: https://git.code.sf.net/p/torcs/code, https://gitlab.com/osgames/torcs.git @add
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: GLUT
diff --git a/entries/tornado.md b/entries/tornado.md
index 4eae1cf0..0d4c760a 100644
--- a/entries/tornado.md
+++ b/entries/tornado.md
@@ -4,7 +4,7 @@
 - State: mature, inactive since 2009
 - Download: https://web.archive.org/web/20151016132945/https://kiza.eu/media/software/tornado/
 - Keywords: simulation, multiplayer, open content, text-based
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: C
 - Code license: GPL-2.0
 - Code dependencies: curses
diff --git a/entries/total_annihilation_3d.md b/entries/total_annihilation_3d.md
index 440b2ad2..70b20e12 100644
--- a/entries/total_annihilation_3d.md
+++ b/entries/total_annihilation_3d.md
@@ -4,7 +4,7 @@
 - Media: https://en.wikipedia.org/wiki/Total_Annihilation
 - Inspirations: Total Annihilation
 - State: beta, inactive since 2017
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: strategy, real time, remake
 - Code repository: https://github.com/zuzuf/TA3D.git
diff --git a/entries/transcend.md b/entries/transcend.md
index a2a15228..d57260e6 100644
--- a/entries/transcend.md
+++ b/entries/transcend.md
@@ -5,7 +5,7 @@
 - Download: https://sourceforge.net/projects/transcend/files/
 - Platform: Windows, Linux, macOS
 - Keywords: arcade, music, open content, shooter
-- Code repository: (see download) http://transcend.cvs.sourceforge.net (cvs)
+- Code repository: @see-download http://transcend.cvs.sourceforge.net (cvs)
 - Code language: C++, Dia
 - Code license: ? (GPL, Public domain)
 - Code dependencies: GLUT
diff --git a/entries/truecraft.md b/entries/truecraft.md
index 1489b44b..1a1c3447 100644
--- a/entries/truecraft.md
+++ b/entries/truecraft.md
@@ -4,7 +4,7 @@
 - Inspirations: Minecraft
 - State: beta, inactive since 2018
 - Keywords: simulation, open content, remake, sandbox, voxel
-- Code repository: https://github.com/ddevault/TrueCraft.git (archived), https://github.com/danielcrenna/TrueCraft.git (+)
+- Code repository: https://github.com/ddevault/TrueCraft.git (archived), https://github.com/danielcrenna/TrueCraft.git @add
 - Code language: C#
 - Code license: MIT
 
diff --git a/entries/turious.md b/entries/turious.md
index fa9bcd2d..78f5d06e 100644
--- a/entries/turious.md
+++ b/entries/turious.md
@@ -3,7 +3,7 @@
 - Home: https://gitorious.org/turious/turious/
 - State: beta, inactive since 2014
 - Keywords: strategy
-- Code repository: https://gitlab.com/osgames/turious.git (backup of gitorious), https://gitlab.com/osgames/rosethorn.git (+), https://gitorious.org/turious/turious.git (read-only), https://gitorious.org/rosethorn/rosethorn.git (read-only)
+- Code repository: https://gitlab.com/osgames/turious.git (backup of gitorious), https://gitlab.com/osgames/rosethorn.git @add, https://gitorious.org/turious/turious.git (read-only), https://gitorious.org/rosethorn/rosethorn.git (read-only)
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: Rosethorn
diff --git a/entries/tux_football.md b/entries/tux_football.md
index 7f1cf842..c6febfe4 100644
--- a/entries/tux_football.md
+++ b/entries/tux_football.md
@@ -5,7 +5,7 @@
 - Download: http://tuxfootball.sourceforge.net/index.php?plugin=EnticorePluginStaticContent&config=idx%3A3, https://sourceforge.net/projects/tuxfootball/files/
 - Platform: Windows, Linux
 - Keywords: arcade, 2D, simulation, sports
-- Code repository: https://git.code.sf.net/p/tuxfootball/code, https://gitlab.com/osgames/tuxfootball.git (+)
+- Code repository: https://git.code.sf.net/p/tuxfootball/code, https://gitlab.com/osgames/tuxfootball.git @add
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL
diff --git a/entries/tux_of_math_command.md b/entries/tux_of_math_command.md
index 64658412..a54f648c 100644
--- a/entries/tux_of_math_command.md
+++ b/entries/tux_of_math_command.md
@@ -6,7 +6,7 @@
 - Download: https://sourceforge.net/projects/tuxmath/files/
 - Platform: Linux
 - Keywords: educational, for kids, tux
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-3.0
 
diff --git a/entries/tvtower.md b/entries/tvtower.md
index 5bb021f1..881a4ded 100644
--- a/entries/tvtower.md
+++ b/entries/tvtower.md
@@ -4,7 +4,7 @@
 - Media: <https://en.wikipedia.org/wiki/Mad_TV_(video_game)#Remakes>
 - Inspirations: Mad TV
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, remake
 - Code repository: https://github.com/TVTower/TVTower.git
 - Code language: BlitzMax, Lua
diff --git a/entries/tyger.md b/entries/tyger.md
index 0b733e65..e87c53bb 100644
--- a/entries/tyger.md
+++ b/entries/tyger.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2016
 - Download: https://code.google.com/archive/p/tyger/source/default/source
 - Keywords: adventure, game engine, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Python
 - Code license: ? (MIT)
 - Code dependencies: pygame
diff --git a/entries/ufo2000.md b/entries/ufo2000.md
index 341d667a..c0cd750b 100644
--- a/entries/ufo2000.md
+++ b/entries/ufo2000.md
@@ -3,7 +3,7 @@
 - Home: http://ufo2000.sourceforge.net/
 - Inspirations: UFO: Enemy Unknown, X-COM: Apocalypse, X-COM: Terror from the Deep, X-COM: UFO Defense
 - State: mature, inactive since 2012
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, remake
 - Code repository: https://github.com/ufo2000/ufo2000.git (mirror of svn), https://svn.code.sf.net/p/ufo2000/code (svn)
 - Code language: C, C++, Lua
diff --git a/entries/ultrastar_deluxe.md b/entries/ultrastar_deluxe.md
index fdbf29aa..462867d9 100644
--- a/entries/ultrastar_deluxe.md
+++ b/entries/ultrastar_deluxe.md
@@ -6,7 +6,7 @@
 - Download: https://usdx.eu/downloads/
 - Platform: Windows, Linux, macOS
 - Keywords: music, karaoke, remake
-- Code repository: https://github.com/UltraStar-Deluxe/USDX.git, https://github.com/UltraStar-Deluxe/legacy-sourceforge-svn-mirror.git (+), https://svn.code.sf.net/p/ultrastardx/svn (svn)
+- Code repository: https://github.com/UltraStar-Deluxe/USDX.git, https://github.com/UltraStar-Deluxe/legacy-sourceforge-svn-mirror.git @add, https://svn.code.sf.net/p/ultrastardx/svn (svn)
 - Code language: Pascal
 - Code license: GPL-2.0
 - Code dependencies: Lua, SDL2
diff --git a/entries/unknown_horizons.md b/entries/unknown_horizons.md
index a705704d..313ff82e 100644
--- a/entries/unknown_horizons.md
+++ b/entries/unknown_horizons.md
@@ -6,7 +6,7 @@
 - State: beta
 - Download: http://unknown-horizons.org/downloads/
 - Keywords: strategy, clone, turn-based
-- Code repository: https://github.com/unknown-horizons/unknown-horizons.git, https://github.com/unknown-horizons/godot-port.git (+)
+- Code repository: https://github.com/unknown-horizons/unknown-horizons.git, https://github.com/unknown-horizons/godot-port.git @add
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: FIFE, Pillow
diff --git a/entries/unvanquished.md b/entries/unvanquished.md
index 5606f8c3..5014fab4 100644
--- a/entries/unvanquished.md
+++ b/entries/unvanquished.md
@@ -7,7 +7,7 @@
 - Download: https://unvanquished.net/download/
 - Platform: Windows, Linux, macOS
 - Keywords: action, shooter
-- Code repository: https://github.com/Unvanquished/Unvanquished.git, https://github.com/DaemonEngine/Daemon.git (+)
+- Code repository: https://github.com/Unvanquished/Unvanquished.git, https://github.com/DaemonEngine/Daemon.git @add
 - Code language: C, C++
 - Code license: GPL-3.0
 - Code dependencies: Dæmon
diff --git a/entries/vanilla-conquer.md b/entries/vanilla-conquer.md
index 44c8cf2a..8b2f80b9 100644
--- a/entries/vanilla-conquer.md
+++ b/entries/vanilla-conquer.md
@@ -5,7 +5,7 @@
 - State: mature
 - Platform: Windows, Linux
 - Keywords: strategy, commercial content, realtime, remake, requires original content
-- Code repository: https://github.com/Vanilla-Conquer/Vanilla-Conquer.git, https://github.com/electronicarts/CnC_Remastered_Collection.git (+)
+- Code repository: https://github.com/Vanilla-Conquer/Vanilla-Conquer.git, https://github.com/electronicarts/CnC_Remastered_Collection.git @add
 - Code language: C, C++, Assembly
 - Code license: GPL-3.0
 
diff --git a/entries/vcmi.md b/entries/vcmi.md
index 7393c9b9..768c9b34 100644
--- a/entries/vcmi.md
+++ b/entries/vcmi.md
@@ -3,7 +3,7 @@
 - Home: https://vcmi.eu/, https://sourceforge.net/projects/vcmi/
 - Inspirations: Heroes of Might and Magic III
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: strategy, commercial content, remake, requires original content
 - Code repository: https://github.com/vcmi/vcmi.git, https://svn.code.sf.net/p/vcmi/code (svn)
 - Code language: C++
diff --git a/entries/vdrift.md b/entries/vdrift.md
index baa3e0cf..c9dc51e4 100644
--- a/entries/vdrift.md
+++ b/entries/vdrift.md
@@ -2,7 +2,7 @@
 
 - Home: http://vdrift.net/, https://sourceforge.net/projects/vdrift/
 - State: mature, inactive since 2014
-- Download: (see home)
+- Download: @see-home
 - Platform: Windows, Linux, macOS
 - Keywords: simulation, cars, racing
 - Code repository: https://github.com/VDrift/vdrift.git, https://svn.code.sf.net/p/vdrift/code (svn)
diff --git a/entries/vectoroids.md b/entries/vectoroids.md
index 87b937d7..323dd158 100644
--- a/entries/vectoroids.md
+++ b/entries/vectoroids.md
@@ -6,7 +6,7 @@
 - Download: http://www.newbreedsoftware.com/vectoroids/download/, ftp://ftp.tuxpaint.org/unix/x/vectoroids
 - Platform: Windows, Linux
 - Keywords: arcade, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/vorton.md b/entries/vorton.md
index 4be4a04d..0a64b5e5 100644
--- a/entries/vorton.md
+++ b/entries/vorton.md
@@ -7,7 +7,7 @@
 - Download: https://sourceforge.net/projects/vorton/files/
 - Platform: Windows, Linux
 - Keywords: action, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-3.0
 - Code dependencies: SDL
diff --git a/entries/wastes_edge.md b/entries/wastes_edge.md
index a6e95cee..423abcd4 100644
--- a/entries/wastes_edge.md
+++ b/entries/wastes_edge.md
@@ -2,7 +2,7 @@
 
 - Home: http://adonthell.nongnu.org/download/index.html
 - State: beta
-- Download: (see home)
+- Download: @see-home
 - Keywords: role playing
 - Code repository: https://git.savannah.gnu.org/git/adonthell/adonthell-wastesedge.git
 - Code language: Python
diff --git a/entries/which_way_is_up.md b/entries/which_way_is_up.md
index 72a70699..b3c54eb9 100644
--- a/entries/which_way_is_up.md
+++ b/entries/which_way_is_up.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2008
 - Platform: Windows, Linux
 - Keywords: platform, 2D, open content, puzzle
-- Code repository: (see home)
+- Code repository: @see-home
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/wizards_magic.md b/entries/wizards_magic.md
index 05033505..f7843a1c 100644
--- a/entries/wizards_magic.md
+++ b/entries/wizards_magic.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2012
 - Download: https://code.google.com/archive/p/wizards-magic/downloads
 - Keywords: strategy, cards, remake
-- Code repository: https://github.com/chubakur/wizards-magic.git, https://github.com/chubakur/wizards-magic2.git (+), https://code.google.com/archive/p/wizards-magic/source
+- Code repository: https://github.com/chubakur/wizards-magic.git, https://github.com/chubakur/wizards-magic2.git @add, https://code.google.com/archive/p/wizards-magic/source
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame
diff --git a/entries/world_of_heroes.md b/entries/world_of_heroes.md
index 94dcb77b..1ca8c05b 100644
--- a/entries/world_of_heroes.md
+++ b/entries/world_of_heroes.md
@@ -4,7 +4,7 @@
 - State: beta, inactive since 2009
 - Download: https://sourceforge.net/projects/worldofheroes/files/WOH%20v0.4.2/
 - Keywords: strategy
-- Code repository: https://github.com/fariazz/World-of-Heroes.git, https://gitlab.com/osgames/worldofheroes.git (+)
+- Code repository: https://github.com/fariazz/World-of-Heroes.git, https://gitlab.com/osgames/worldofheroes.git @add
 - Code language: Python
 - Code license: 3-clause BSD
 - Code dependencies: pygame
diff --git a/entries/worldforge.md b/entries/worldforge.md
index c5f4275b..9661072c 100644
--- a/entries/worldforge.md
+++ b/entries/worldforge.md
@@ -5,7 +5,7 @@
 - State: mature
 - Download: https://www.worldforge.org/index.php/downloads/
 - Keywords: framework, multiplayer online + massive
-- Code repository: https://github.com/worldforge/cyphesis.git (https://github.com/worldforge), https://github.com/worldforge/ember.git (+)
+- Code repository: https://github.com/worldforge/cyphesis.git (https://github.com/worldforge), https://github.com/worldforge/ember.git @add
 - Code language: C++
 - Code license: GPL-2.0
 
diff --git a/entries/wyrmsun.md b/entries/wyrmsun.md
index 68b576b4..4c8710c4 100644
--- a/entries/wyrmsun.md
+++ b/entries/wyrmsun.md
@@ -4,7 +4,7 @@
 - State: mature
 - Download: https://store.steampowered.com/app/370070/Wyrmsun/
 - Keywords: strategy, real time
-- Code repository: https://github.com/andrettin/wyrmsun.git, https://github.com/Andrettin/Wyrmgus.git (+)
+- Code repository: https://github.com/andrettin/wyrmsun.git, https://github.com/Andrettin/Wyrmgus.git @add
 - Code language: Lua, C++
 - Code license: GPL-2.0
 - Code dependencies: Modified Stratagus
diff --git a/entries/xduke.md b/entries/xduke.md
index bf5465e3..9821ee4a 100644
--- a/entries/xduke.md
+++ b/entries/xduke.md
@@ -5,7 +5,7 @@
 - State: beta, inactive since 2010
 - Download: http://vision.gel.ulaval.ca/~klein/duke3d/xDuke_19.7.1_Source_Code.rar
 - Keywords: remake, commercial content, multiplayer LAN + online, requires original content
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/xonotic.md b/entries/xonotic.md
index e6831f05..29b7b17f 100644
--- a/entries/xonotic.md
+++ b/entries/xonotic.md
@@ -6,7 +6,7 @@
 - State: mature
 - Download: https://www.xonotic.org/download/
 - Keywords: action, clone, shooter
-- Code repository: https://git.xonotic.org/xonotic/xonotic.git, https://gitlab.com/xonotic/xonotic.git (+), https://gitlab.com/xonotic/xonotic-data.pk3dir.git
+- Code repository: https://git.xonotic.org/xonotic/xonotic.git, https://gitlab.com/xonotic/xonotic.git @add, https://gitlab.com/xonotic/xonotic-data.pk3dir.git
 - Code language: C
 - Code license: GPL-3.0 (Darkplace engine is GPL-2.0)
 
diff --git a/entries/xscavenger.md b/entries/xscavenger.md
index c040c19f..f952d0f8 100644
--- a/entries/xscavenger.md
+++ b/entries/xscavenger.md
@@ -5,7 +5,7 @@
 - State: mature, inactive since 2015
 - Download: https://sourceforge.net/projects/sdlscavenger/files/
 - Keywords: puzzle, 2D, remake
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: C
 - Code license: GPL-2.0
 
diff --git a/entries/xz_utils.md b/entries/xz_utils.md
index 5699026d..38c96bb9 100644
--- a/entries/xz_utils.md
+++ b/entries/xz_utils.md
@@ -3,7 +3,7 @@
 - Home: https://tukaani.org/xz/
 - Media: https://en.wikipedia.org/wiki/XZ_Utils
 - State: mature
-- Download: (see home)
+- Download: @see-home
 - Keywords: library
 - Code repository: https://git.tukaani.org/xz.git (https://git.tukaani.org/?p=xz.git)
 - Code language: C
diff --git a/entries/yo_frankie.md b/entries/yo_frankie.md
index 8bdb2bd0..ba788582 100644
--- a/entries/yo_frankie.md
+++ b/entries/yo_frankie.md
@@ -6,7 +6,7 @@
 - Download: https://apricot.blender.org/
 - Platform: Windows, Linux, macOS (wherever Blender runs)
 - Keywords: action
-- Code repository: (see download)
+- Code repository: @see-download
 - Code language: Blender Script
 - Code license: ?
 - Code dependencies: Blender game engine