additions from backlog and conversions to git

2019-09-26 15:41:09 +02:00 · 2019-09-26 15:41:09 +02:00 · a4529af611
commit a4529af611
parent fd9491dcb2
70 changed files with 965 additions and 314 deletions
--- a/README.md
+++ b/README.md
@ -3,11 +3,11 @@
 **[Dynamic HTML table](https://trilarion.github.io/opensourcegames/)** of the entries / Development **[Blog](https://trilarion.blogspot.com/search/label/osgames)** / **[Statistics](statistics.md#statistics)**

 [comment]: # (start of autogenerated content, do not edit)
-**[All entries](entries/tocs/_all.md#All)** (1062)
+**[All entries](entries/tocs/_all.md#All)** (1079)

-By category: **[Action](entries/tocs/_action.md#action)** (187), **[Adventure](entries/tocs/_adventure.md#adventure)** (31), **[Arcade](entries/tocs/_arcade.md#arcade)** (60), **[Board game](entries/tocs/_board-game.md#board-game)** (9), **[Card game](entries/tocs/_card-game.md#card-game)** (2), **[Educational](entries/tocs/_educational.md#educational)** (5), **[Framework](entries/tocs/_framework.md#framework)** (69), **[Game engine](entries/tocs/_game-engine.md#game-engine)** (80), **[Library](entries/tocs/_library.md#library)** (28), **[Music](entries/tocs/_music.md#music)** (10), **[Platform](entries/tocs/_platform.md#platform)** (33), **[Puzzle](entries/tocs/_puzzle.md#puzzle)** (82), **[Remake](entries/tocs/_remake.md#remake)** (462), **[Role playing](entries/tocs/_role-playing.md#role-playing)** (150), **[Simulation](entries/tocs/_simulation.md#simulation)** (78), **[Sports](entries/tocs/_sports.md#sports)** (19), **[Strategy](entries/tocs/_strategy.md#strategy)** (222), **[Tool](entries/tocs/_tool.md#tool)** (22), **[Visual novel](entries/tocs/_visual-novel.md#visual-novel)** (4)
+By category: **[Action](entries/tocs/_action.md#action)** (187), **[Adventure](entries/tocs/_adventure.md#adventure)** (34), **[Arcade](entries/tocs/_arcade.md#arcade)** (61), **[Board game](entries/tocs/_board-game.md#board-game)** (9), **[Card game](entries/tocs/_card-game.md#card-game)** (2), **[Educational](entries/tocs/_educational.md#educational)** (5), **[Framework](entries/tocs/_framework.md#framework)** (69), **[Game engine](entries/tocs/_game-engine.md#game-engine)** (91), **[Library](entries/tocs/_library.md#library)** (29), **[Music](entries/tocs/_music.md#music)** (10), **[Platform](entries/tocs/_platform.md#platform)** (33), **[Puzzle](entries/tocs/_puzzle.md#puzzle)** (84), **[Remake](entries/tocs/_remake.md#remake)** (462), **[Role playing](entries/tocs/_role-playing.md#role-playing)** (151), **[Simulation](entries/tocs/_simulation.md#simulation)** (78), **[Sports](entries/tocs/_sports.md#sports)** (19), **[Strategy](entries/tocs/_strategy.md#strategy)** (222), **[Tool](entries/tocs/_tool.md#tool)** (26), **[Visual novel](entries/tocs/_visual-novel.md#visual-novel)** (4)

-By platform: **[Windows](entries/tocs/_windows.md#windows)** (283), **[Linux](entries/tocs/_linux.md#linux)** (260), **[macOS](entries/tocs/_macos.md#macos)** (153), **[Android](entries/tocs/_android.md#android)** (52), **[iOS](entries/tocs/_ios.md#ios)** (8), **[Web](entries/tocs/_web.md#web)** (51)
+By platform: **[Windows](entries/tocs/_windows.md#windows)** (290), **[Linux](entries/tocs/_linux.md#linux)** (267), **[macOS](entries/tocs/_macos.md#macos)** (159), **[Android](entries/tocs/_android.md#android)** (54), **[iOS](entries/tocs/_ios.md#ios)** (9), **[Web](entries/tocs/_web.md#web)** (56)

 [comment]: # (end of autogenerated content)

--- a/docs/data.json
+++ b/docs/data.json
@ -104,6 +104,14 @@
   "strategy, text-based",
   "<a href=\"https://gitlab.com/osgames/aplanetsrevenge.git\">Source</a> - Python - GPL-3.0"
  ],
+  [
+   "a2x (<a href=\"https://github.com/alxm/a2x\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/a2x.md\">entry</a>)",
+   "C game framework.",
+   "",
+   "beta / active",
+   "puzzle, game framework",
+   "<a href=\"https://github.com/alxm/a2x.git\">Source</a> - C, Python, C++ - GPL-3.0"
+  ],
  [
   "A7Xpg (<a href=\"http://a7xpg.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/a7xpg.md\">entry</a>)",
   "Arcade space flier.",
@ -214,7 +222,7 @@
   "<a href=\"https://sourceforge.net/projects/ajax3d/files/ajax3d/\">Link</a>",
   "beta / inactive since 2007",
   "action, inspired by Zarch, remake",
-   "<a href=\"http://ajax3d.cvs.sourceforge.net\">Source</a> - JavaScript - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/ajax3d.git\">Source</a> - JavaScript - GPL-2.0"
  ],
  [
   "Aklabeth (<a href=\"https://sourceforge.net/projects/aklabeth/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/aklabeth.md\">entry</a>)",
@ -894,7 +902,7 @@
   "<a href=\"https://sourceforge.net/projects/bombic/files/bombic/\">Link</a>",
   "beta / inactive since 2005",
   "action, inspired by Bomberman, remake",
-   "<a href=\"https://svn.code.sf.net/p/bombic/code/\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/bombic.git\">Source</a> - C++, Objective-C - GPL-2.0"
  ],
  [
   "Bombic2 (<a href=\"http://bombic2.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/bombic2.md\">entry</a>)",
@ -902,7 +910,7 @@
   "",
   "beta / inactive since 2010",
   "action, inspired by Bomberman, remake",
-   "<a href=\"https://svn.code.sf.net/p/bombic2/code/\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://svn.code.sf.net/p/bombic2/code/\">Source</a> - C++ - ?"
  ],
  [
   "Bombman (<a href=\"https://gitlab.com/drummyfish/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/bombman.md\">entry</a>)",
@ -952,6 +960,14 @@
   "action, inspired by Boulder Dash, remake",
   "<a href=\"https://github.com/valeriansaliou/boulder-dash.git\">Source</a> - Java - MIT"
  ],
+  [
+   "Box2D (<a href=\"http://box2d.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/box2d.md\">entry</a>)",
+   "2D physics engine for games.",
+   "",
+   "mature / active",
+   "library",
+   "<a href=\"https://github.com/erincatto/Box2D.git\">Source</a> - C, C++, Objective-C - zlib"
+  ],
  [
   "Brain Workshop (<a href=\"http://brainworkshop.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/brain_workshop.md\">entry</a>)",
   "Dual n-back brain training exercise.",
@ -1464,6 +1480,14 @@
   "simulation, programming",
   "<a href=\"https://gitlab.com/osgames/corewar.git\">Source</a> - C, Java - GPL-2.0"
  ],
+  [
+   "CorEngine (<a href=\"http://corengine.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/corengine.md\">entry</a>)",
+   "3D game engine.",
+   "<a href=\"https://sourceforge.net/projects/corengine/files/\">Link</a>",
+   "beta / inactive since 2015",
+   "game engine, 3D",
+   "C - zlib"
+  ],
  [
   "CorsixTH (<a href=\"http://corsixth.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/corsixth.md\">entry</a>)",
   "Reimplementation of the 1997 Bullfrog business sim Theme..",
@ -1704,6 +1728,14 @@
   "role playing",
   "<a href=\"https://github.com/jpmalkiewicz/decker.git\">Source</a> - Java - GPL-2.0"
  ],
+  [
+   "Dedalus (<a href=\"https://github.com/pistacchio/Dedalus\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/dedalus.md\">entry</a>)",
+   "Authoring system for generating adventure narratives.",
+   "",
+   "beta / inactive since 2018",
+   "adventure, game engine, text-based, tool",
+   "<a href=\"https://github.com/pistacchio/Dedalus.git\">Source</a> - JavaScript - GPL-2.0"
+  ],
  [
   "Defendguin (<a href=\"http://www.newbreedsoftware.com/defendguin/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/defendguin.md\">entry</a>)",
   "Remake of Defender.",
@ -1864,6 +1896,14 @@
   "game engine, 2D",
   "<a href=\"https://github.com/FloppidyDingo/Dingo-Engine.git\">Source</a> - Java - 3-clause BSD"
  ],
+  [
+   "DirectX12GameEngine (<a href=\"https://github.com/Aminator/DirectX12GameEngine\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/directx12gameengine.md\">entry</a>)",
+   "Game engine utilizing the Direct3D 12 API.",
+   "",
+   "beta / active",
+   "game engine",
+   "<a href=\"https://github.com/Aminator/DirectX12GameEngine.git\">Source</a> - C# - MIT"
+  ],
  [
   "DNT (<a href=\"http://dnt.dnteam.org/cgi-bin/about.py\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/dnt.md\">entry</a>)",
   "3D RPG in a satirical post-apocalyptic world.",
@ -1942,7 +1982,7 @@
   "<a href=\"https://dopewars.sourceforge.io/download.html\">Link</a>",
   "mature / inactive since 2013",
   "simulation, inspired by Drug Wars, remake",
-   "<a href=\"https://sourceforge.net/projects/dopewars/\">Source</a> - C - GPL-2.0"
+   "<a href=\"https://svn.code.sf.net/p/dopewars/code/\">Source</a> - C - GPL-2.0"
  ],
  [
   "Doxygen (<a href=\"http://www.doxygen.nl/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/doxygen.md\">entry</a>)",
@ -2416,6 +2456,14 @@
   "role playing, commercial content, game engine, inspired by Fallout 2, remake, requires original content",
   "<a href=\"https://github.com/falltergeist/falltergeist.git\">Source</a> - C++ - GPL-3.0"
  ],
+  [
+   "Fantasy Map Generator (<a href=\"https://azgaar.github.io/Fantasy-Map-Generator/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/fantasy_map_generator.md\">entry</a>)",
+   "Generate interactive and highly customizable svg maps..",
+   "",
+   "mature / active",
+   "tool",
+   "<a href=\"https://github.com/Azgaar/Fantasy-Map-Generator.git\">Source</a> - JavaScript - MIT"
+  ],
  [
   "Fanwor (<a href=\"https://fanwor.tuxfamily.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/fanwor.md\">entry</a>)",
   "Action-adventures in the style of the game \"The Legend of..",
@ -2556,9 +2604,9 @@
   "Free Space Colonization (<a href=\"http://fsc.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/free_space_colonization.md\">entry</a>)",
   "Game of colonization, research, diplomacy and trade. A 4X..",
   "<a href=\"https://sourceforge.net/projects/fsc/files\">Link</a>",
-   "beta / active",
+   "beta / inactive since 2017",
   "strategy",
-   "<a href=\"https://svn.code.sf.net/p/fsc/code/\">Source</a> - C - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/fsc.git\">Source</a> - C - GPL-2.0"
  ],
  [
   "freeablo (<a href=\"https://freeablo.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/freeablo.md\">entry</a>)",
@ -2598,7 +2646,7 @@
   "<a href=\"https://sourceforge.net/projects/freecivac/files/Stable%20Releases/\">Link</a>",
   "beta / inactive since 2003",
   "strategy, fork of Freeciv, inspired by Sid Meier's Alpha Centauri, remake",
-   "<a href=\"http://freecivac.cvs.sourceforge.net\">Source</a> - C - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/freecivac.git\">Source</a> - C - GPL-2.0"
  ],
  [
   "Freeciv-web (<a href=\"https://web.archive.org/web/20180102150750/https://play.freeciv.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/freeciv-web.md\">entry</a>)",
@ -2798,7 +2846,7 @@
   "<a href=\"https://sourceforge.net/projects/fretsonfire/files/\">Link</a>",
   "mature / inactive since 2008",
   "music, inspired by Guitar Hero, remake",
-   "<a href=\"https://svn.code.sf.net/p/fretsonfire/code\">Source</a> - Python - GPL-2.0"
+   "<a href=\"https://github.com/skyostil/fretsonfire.git\">Source</a> - Python - GPL-2.0"
  ],
  [
   "Frets on Fire X (<a href=\"https://fofix.github.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/frets_on_fire_x.md\">entry</a>)",
@ -2822,7 +2870,7 @@
   "<a href=\"https://sourceforge.net/projects/froggix/files/\">Link</a>",
   "beta / inactive since 2009",
   "arcade, inspired by Frogger, remake, side-scrolling, skill",
-   "<a href=\"https://svn.code.sf.net/p/froggix/code/\">Source</a> - Python - GPL-3.0"
+   "<a href=\"https://gitlab.com/osgames/froggix.git\">Source</a> - Python - GPL-3.0"
  ],
  [
   "Frozen Bubble (<a href=\"http://frozen-bubble.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/frozen_bubble.md\">entry</a>)",
@ -2864,6 +2912,14 @@
   "strategy, turn-based",
   "<a href=\"https://gitlab.com/osgames/galaxyng.git\">Source</a> - C - GPL-2.0"
  ],
+  [
+   "GameCake (<a href=\"https://xriss.github.io/gamecake/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/gamecake.md\">entry</a>)",
+   "Single exe cross platform game engine using Lua.",
+   "",
+   "mature / active",
+   "game engine",
+   "<a href=\"https://github.com/xriss/gamecake.git\">Source</a> - C, C++, Lua - MIT"
+  ],
  [
   "GameLV (<a href=\"http://piepe.lv/game-lv/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/gamelv.md\">entry</a>)",
   "Adventure Game in Post Soviet Environment.",
@ -2952,6 +3008,14 @@
   "strategy, inspired by Mega Lo Mania, real time, remake",
   "<a href=\"https://git.code.sf.net/p/gigalomania/code\">Source</a> - C++ - GPL-2.0"
  ],
+  [
+   "gist-txt (<a href=\"http://potomak.github.io/gist-txt/#acebd8fe14942fab4e8e\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/gist-txt.md\">entry</a>)",
+   "A minimal text adventure engine.",
+   "",
+   "mature / inactive since 2018",
+   "adventure, game engine, text-based",
+   "<a href=\"https://github.com/potomak/gist-txt.git\">Source</a> - JavaScript - MIT"
+  ],
  [
   "GL4ES (<a href=\"http://ptitseb.github.io/gl4es/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/gl4es.md\">entry</a>)",
   "OpenGL for GLES Hardware.",
@ -3269,8 +3333,8 @@
   "Remake of Another World 2: Heart of the Alien.",
   "<a href=\"https://sourceforge.net/projects/hota/files/\">Link</a>",
   "beta / inactive since 2005",
-   "adventure, inspired by Another World 2: Heart of the Alien, remake",
-   "<a href=\"http://hota.cvs.sourceforge.net\">Source</a> - C - GPL-2.0"
+   "adventure, commercial content, inspired by Another World 2: Heart of the Alien, remake, requires original content",
+   "<a href=\"https://gitlab.com/osgames/hota.git\">Source</a> - C - GPL-2.0"
  ],
  [
   "Hedgewars (<a href=\"http://hedgewars.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/hedgewars.md\">entry</a>)",
@ -3328,6 +3392,14 @@
   "role playing, clone, inspired by Wipeout, racing",
   "<a href=\"https://github.com/BKcore/HexGL.git\">Source</a> - JavaScript, CoffeeScript - MIT"
  ],
+  [
+   "heXon (<a href=\"https://luckeyproductions.itch.io/hexon\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/hexon.md\">entry</a>)",
+   "Twin-stick shooter",
+   "",
+   "beta / active",
+   "role playing, shooter",
+   "<a href=\"https://gitlab.com/luckeyproductions/heXon.git\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "Hexoshi (<a href=\"http://hexoshi.nongnu.org/index.html\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/hexoshi.md\">entry</a>)",
   "Clone of Super Metroid.",
@ -3408,6 +3480,14 @@
   "remake, inspired by Pac-Man, skill",
   "<a href=\"https://github.com/daleharvey/pacman.git\">Source</a> - JavaScript - WTFPL"
  ],
+  [
+   "Hypatia (<a href=\"https://github.com/hypatia-software-org/hypatia-engine\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/hypatia.md\">entry</a>)",
+   "2D action adventure game engine.",
+   "",
+   "beta / inactive since 2016",
+   "adventure, 2D, game engine",
+   "<a href=\"https://github.com/hypatia-software-org/hypatia-engine.git\">Source</a> - Python - MIT"
+  ],
  [
   "HyperRogue (<a href=\"http://roguetemple.com/z/hyper/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/hyperrogue.md\">entry</a>)",
   "Roguelike inspired by the puzzle game Deadly Rooms of..",
@ -3776,6 +3856,14 @@
   "remake, commercial content, inspired by Krush, Kill 'n' Destroy, requires original content",
   "<a href=\"https://github.com/IceReaper/KKnD.git\">Source</a> - C# - GPL-3.0"
  ],
+  [
+   "Klooni 1010! (<a href=\"https://lonami.dev/klooni/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/klooni_1010.md\">entry</a>)",
+   "Clone of the puzzle game 1010!",
+   "<a href=\"https://f-droid.org/de/packages/io.github.lonamiwebs.klooni/\">Link</a>",
+   "beta / active",
+   "puzzle, inspired by 1010!",
+   "<a href=\"https://github.com/LonamiWebs/Klooni1010.git\">Source</a> - Java - GPL-3.0"
+  ],
  [
   "KnightOfWor (<a href=\"https://github.com/Sanguinik/KnightOfWor\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/knightofwor.md\">entry</a>)",
   "Remake of Wizard of Wor.",
@ -3814,7 +3902,7 @@
   "<a href=\"http://krystaldrop.sourceforge.net/downloads.html\">Link</a>",
   "beta / inactive since 2004",
   "puzzle, inspired by Magical Drop, remake",
-   "<a href=\"https://krystaldrop.cvs.sourceforge.net\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/krystaldrop.git\">Source</a> - C++ - GPL-2.0"
  ],
  [
   "l-echo (<a href=\"https://code.google.com/p/l-echo/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/l-echo.md\">entry</a>)",
@ -4350,7 +4438,7 @@
   "<a href=\"https://sourceforge.net/projects/microracers/files/microracers/\">Link</a>",
   "beta / inactive since 2005",
   "remake, 2D, inspired by Micro Machines, racing",
-   "<a href=\"http://microracers.cvs.sourceforge.net\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/microracers.git\">Source</a> - C, C++ - GPL-2.0"
  ],
  [
   "MicroWar 2.0 (<a href=\"http://microwar.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/microwar_20.md\">entry</a>)",
@ -4392,6 +4480,14 @@
   "framework, inspired by Minecraft, open content, remake, voxel",
   "<a href=\"https://github.com/minetest/minetest.git\">Source</a> - C, C++, Lua - LGPL-2.1"
  ],
+  [
+   "mini2Dx (<a href=\"https://mini2dx.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/mini2dx.md\">entry</a>)",
+   "Framework for prototyping and building 2D games in Java.",
+   "<a href=\"https://mini2dx.org/downloads.html\">Link</a>",
+   "mature / active",
+   "game engine",
+   "<a href=\"https://github.com/mini2Dx/mini2Dx.git\">Source</a> - Java, C# - Apache-2.0"
+  ],
  [
   "Mininim (<a href=\"http://oitofelix.github.io/mininim/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/mininim.md\">entry</a>)",
   "Remake of Prince of Persia.",
@ -4430,7 +4526,7 @@
   "<a href=\"https://sourceforge.net/projects/mochadoom/files/\">Link</a>",
   "beta / inactive since 2012",
   "remake, first-person, inspired by Doom + Doom II + Heretic + Hexen, shooter",
-   "<a href=\"http://mochadoom.cvs.sourceforge.net\">Source</a> - Java - GPL-3.0"
+   "<a href=\"http://mochadoom.cvs.sourceforge.net\">Source</a> - Java - ?"
  ],
  [
   "MonoGame (<a href=\"http://www.monogame.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/monogame.md\">entry</a>)",
@ -4606,7 +4702,7 @@
   "<a href=\"http://night-hawk.sourceforge.net/dl.php\">Link</a>",
   "mature / inactive since 2004",
   "arcade, inspired by Paradroid, puzzle, remake, shoot-em",
-   "<a href=\"https://night-hawk.cvs.sourceforge.net\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/night-hawk.git\">Source</a> - C++ - GPL-2.0"
  ],
  [
   "NLarn (<a href=\"https://nlarn.github.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/nlarn.md\">entry</a>)",
@ -4638,7 +4734,7 @@
   "<a href=\"https://sourceforge.net/projects/nstars/files/\">Link</a>",
   "beta / inactive since 2004",
   "strategy, inspired by Stars!, remake",
-   "<a href=\"http://nstars.cvs.sourceforge.net\">Source</a> - C# - GPL-2.0"
+   "<a href=\"http://nstars.cvs.sourceforge.net\">Source</a> - C# - ?"
  ],
  [
   "NullpoMino (<a href=\"https://github.com/NullpoMino/NullpoMino\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/nullpomino.md\">entry</a>)",
@ -5222,7 +5318,7 @@
   "<a href=\"http://openmortal.sourceforge.net/download.html\">Link</a>",
   "beta / inactive since 2006",
   "action, clone, inspired by Mortal Kombat",
-   "<a href=\"http://openmortal.cvs.sourceforge.net\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/openmortal.git\">Source</a> - C++, Perl - GPL-2.0"
  ],
  [
   "openMSX (<a href=\"http://openmsx.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openmsx.md\">entry</a>)",
@ -5630,7 +5726,7 @@
   "",
   "beta / inactive since 2003",
   "puzzle, inspired by Log!cal, remake",
-   "<a href=\"http://pathological.cvs.sourceforge.net\">Source</a> - Python - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/pathological.git\">Source</a> - Python - GPL-2.0"
  ],
  [
   "Pax Britannica (<a href=\"https://web.archive.org/web/20180807110800/http://paxbritannica.henk.ca/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pax_britannica.md\">entry</a>)",
@ -5912,6 +6008,14 @@
   "framework",
   "<a href=\"https://github.com/pygame/pygame.git\">Source</a> - C, Python - LGPL-2.1"
  ],
+  [
+   "Pygame---Alien-Invasion (<a href=\"https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pygame-alien-invasion.md\">entry</a>)",
+   "Space craft game to shoot down incoming aliens.",
+   "",
+   "beta / inactive since 2018",
+   "arcade",
+   "<a href=\"https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion.git\">Source</a> - Python - GPL-3.0"
+  ],
  [
   "PyKaraoke (<a href=\"http://www.kibosh.org/pykaraoke/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pykaraoke.md\">entry</a>)",
   "Karaoke player.",
@ -6118,7 +6222,7 @@
   "<a href=\"https://sourceforge.net/projects/rescue/files/\">Link</a>",
   "beta / inactive since 2013",
   "action, inspired by Rescue!, real time, remake, space, strategy",
-   "<a href=\"http://svn.code.sf.net/p/rescue/code/\">Source</a> - Java - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/rescue.git\">Source</a> - Java - GPL-3.0"
  ],
  [
   "ResidualVM (<a href=\"http://residualvm.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/residualvm.md\">entry</a>)",
@ -6606,7 +6710,7 @@
   "<a href=\"http://slashem.sourceforge.net/stable.html\">Link</a>",
   "beta / inactive since 2007",
   "role playing, clone, inspired by NetHack, roguelike",
-   "<a href=\"https://github.com/osgamearchive/slashem.git\">Source</a> - C - Custom"
+   "<a href=\"https://github.com/osgamearchive/slashem.git\">Source</a> - C, R, C++ - Custom"
  ],
  [
   "Slay (<a href=\"https://sourceforge.net/projects/slaygame/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/slay.md\">entry</a>)",
@ -6632,6 +6736,14 @@
   "arcade, inspired by Slot Racers, remake",
   "<a href=\"https://github.com/Zillode/Slot-Racers.git\">Source</a> - C - GPL-3.0"
  ],
+  [
+   "Sludge (<a href=\"https://opensludge.github.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/sludge.md\">entry</a>)",
+   "Adventure game engine.",
+   "<a href=\"https://opensludge.github.io/download.html\">Link</a>",
+   "mature / active",
+   "game engine, adventue",
+   "<a href=\"https://github.com/opensludge/opensludge.git\">Source</a> - C, C++, Objective-C - LGPL-2.1"
+  ],
  [
   "Smash (<a href=\"http://smash.gouchon.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/smash.md\">entry</a>)",
   "Super Smash Bros-like in HTML5.",
@ -6702,7 +6814,7 @@
   "<a href=\"http://www.wingkong.net/sopwith2b/files-games.html\">Link</a>",
   "beta / inactive since 2003",
   "simulation, flight, inspired by Sopwith, remake",
-   "<a href=\"http://sopwith3.cvs.sourceforge.net\">Source</a> - C++ - GPL-2.0"
+   "<a href=\"https://gitlab.com/osgames/sopwith3.git\">Source</a> - C, C++, Objective-C - GPL-2.0"
  ],
  [
   "Source of Tales (<a href=\"http://www.sourceoftales.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/source_of_tales.md\">entry</a>)",
@ -6856,6 +6968,14 @@
   "strategy, clone, inspired by Company of Heroes + Company of Heroes: Opposing Fronts + Company of Heroes: Tales of Valor + Company of Heroes 2, realtime",
   "<a href=\"https://github.com/spring1944/spring1944.git\">Source</a> - Lua - GPL-2.0"
  ],
+  [
+   "Squiffy (<a href=\"https://github.com/textadventures/squiffy\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/squiffy.md\">entry</a>)",
+   "Tool for creating multiple choice interactive fiction.",
+   "<a href=\"https://github.com/textadventures/squiffy/releases\">Link</a>",
+   "mature / active",
+   "tool, game engine, interactive fiction",
+   "<a href=\"https://github.com/textadventures/squiffy.git\">Source</a> - JavaScript - MIT"
+  ],
  [
   "SS13 Remake (<a href=\"https://github.com/ss13remake/ss13remake\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/ss13_remake.md\">entry</a>)",
   "Remake of Space Station 13.",
@ -7672,6 +7792,14 @@
   "adventure, commercial content, game engine, inspired by Little Big Adventure, remake, requires original content",
   "<a href=\"https://github.com/xesf/twin-e.git\">Source</a> - C - GPL-2.0"
  ],
+  [
+   "Twine (<a href=\"http://twinery.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/twine.md\">entry</a>)",
+   "Tool for telling interactive, nonlinear stories.",
+   "",
+   "mature / active",
+   "tool, game engine, interactive fiction, text-based",
+   "<a href=\"https://github.com/klembot/twinejs.git\">Source</a> - JavaScript - GPL-3.0"
+  ],
  [
   "TwinEngine (<a href=\"https://forum.magicball.net/forumdisplay.php?f=66\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/twinengine.md\">entry</a>)",
   "A Little Big Adventure engine.",
@ -8376,6 +8504,14 @@
   "library",
   "<a href=\"https://github.com/jbeder/yaml-cpp.git\">Source</a> - C++ - MIT"
  ],
+  [
+   "Yet Another Engine (<a href=\"https://web.archive.org/web/20160315200651/https://yae.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/yet_another_engine.md\">entry</a>)",
+   "Game engine",
+   "",
+   "beta / inactive since 2016",
+   "game engine",
+   "<a href=\"https://github.com/deathbeam/yae.git\">Source</a> - MoonScript, Java, Lua - MIT"
+  ],
  [
   "Yo Frankie! (<a href=\"https://apricot.blender.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/yo_frankie.md\">entry</a>)",
   "Platform game.",
--- a/entries/a2x.md
+++ b/entries/a2x.md
@ -0,0 +1,17 @@
+# a2x
+
+_C game framework._
+
+- Home: https://github.com/alxm/a2x
+- State: beta
+- Platform: Windows, Linux
+- Keywords: puzzle, game framework
+- Code repository: https://github.com/alxm/a2x.git
+- Code language: C, Python, C++
+- Code license: GPL-3.0
+
+Developer: Alex Margarit
+
+## Building
+
+- Build system: Make
--- a/entries/ajax3d.md
+++ b/entries/ajax3d.md
@ -7,7 +7,7 @@ _Remake of Zarch._
 - Download: https://sourceforge.net/projects/ajax3d/files/ajax3d/
 - Platform: Web
 - Keywords: action, inspired by Zarch, remake
- Code repository: http://ajax3d.cvs.sourceforge.net (cvs)
+- Code repository: https://gitlab.com/osgames/ajax3d.git (conversion of cvs), http://ajax3d.cvs.sourceforge.net (cvs)
 - Code language: JavaScript
 - Code license: GPL-2.0

--- a/entries/andors_trail.md
+++ b/entries/andors_trail.md
@ -2,7 +2,7 @@

 _Quest-driven Roguelike fantasy dungeon crawler RPG with a powerful story._

- Home: https://www.andorstrail.com/
+- Home: https://www.andorstrail.com/, https://code.google.com/archive/p/andors-trail/
 - State: beta
 - Download: https://f-droid.org/packages/com.gpl.rpg.AndorsTrail/
 - Platform: Android
--- a/entries/blobwars_metal_blob_solid.md
+++ b/entries/blobwars_metal_blob_solid.md
@ -8,7 +8,7 @@ _2D arcade platform game._
 - Download: https://sourceforge.net/projects/blobwars/files/
 - Platform: Windows
 - Keywords: action
- Code repository: https://git.code.sf.net/p/blobwars/code, https://gitlab.com/osgames/blobwars.git (+), https://src.fedoraproject.org/rpms/blobwars.git (+)
+- 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 language: C++
 - Code license: GPL-2.0

--- a/entries/bombic.md
+++ b/entries/bombic.md
@ -5,10 +5,13 @@ _Remake of Bomberman, another Dynablaster clone._
 - Home: http://bombic.sourceforge.net/, https://sourceforge.net/projects/bombic/
 - State: beta, inactive since 2005
 - Download: https://sourceforge.net/projects/bombic/files/bombic/
- Platform: Linux
+- Platform: Linux, macOS
 - Keywords: action, inspired by Bomberman, remake
- Code repository: https://svn.code.sf.net/p/bombic/code/ (svn)
- Code language: C++
+- Code repository: https://gitlab.com/osgames/bombic.git (clone of svn), https://svn.code.sf.net/p/bombic/code/ (svn)
+- Code language: C++, Objective-C
 - Code license: GPL-2.0
+- Code dependencies: SDL

 ## Building
+
+- Build system: Make
--- a/entries/bombic2.md
+++ b/entries/bombic2.md
@ -7,6 +7,7 @@ _Remake of Bomberman._
 - Keywords: action, inspired by Bomberman, remake
 - Code repository: https://svn.code.sf.net/p/bombic2/code/ (svn)
 - Code language: C++
- Code license: GPL-2.0
+- Code license: ?
+- Code dependencies: SDL

 ## Building
--- a/entries/box2d.md
+++ b/entries/box2d.md
@ -0,0 +1,14 @@
+# Box2D
+
+_2D physics engine for games._
+
+- Home: http://box2d.org/
+- State: mature
+- Keywords: library
+- Code repository: https://github.com/erincatto/Box2D.git
+- Code language: C, C++, Objective-C
+- Code license: zlib
+
+## Building
+
+- Build system: premake
--- a/entries/corengine.md
+++ b/entries/corengine.md
@ -0,0 +1,13 @@
+# CorEngine
+
+_3D game engine._
+
+- Home: http://corengine.sourceforge.net/, https://sourceforge.net/projects/corengine/
+- State: beta, inactive since 2015
+- Download: https://sourceforge.net/projects/corengine/files/
+- Keywords: game engine, 3D
+- Code repository: (see download)
+- Code language: C
+- Code license: zlib
+
+## Building
--- a/entries/dedalus.md
+++ b/entries/dedalus.md
@ -0,0 +1,14 @@
+# Dedalus
+
+_Authoring system for generating adventure narratives._
+
+- Home: https://github.com/pistacchio/Dedalus
+- State: beta, inactive since 2018
+- Platform: Web
+- Keywords: adventure, game engine, text-based, tool
+- Code repository: https://github.com/pistacchio/Dedalus.git
+- Code language: JavaScript
+- Code license: GPL-2.0
+- Code dependencies: jQuery
+
+## Building
--- a/entries/directx12gameengine.md
+++ b/entries/directx12gameengine.md
@ -0,0 +1,15 @@
+# DirectX12GameEngine
+
+_Game engine utilizing the Direct3D 12 API._
+
+- Home: https://github.com/Aminator/DirectX12GameEngine
+- State: beta
+- Platform: Windows
+- Keywords: game engine
+- Code repository: https://github.com/Aminator/DirectX12GameEngine.git
+- Code language: C#
+- Code license: MIT
+
+## Building
+
+- Build system: VisualStudio
--- a/entries/dope_wars.md
+++ b/entries/dope_wars.md
@ -2,12 +2,12 @@

 _Remake of Drug Wars._

- Home: https://dopewars.sourceforge.io/
+- Home: https://dopewars.sourceforge.io/, https://sourceforge.net/projects/dopewars/
 - State: mature, inactive since 2013
 - Download: https://dopewars.sourceforge.io/download.html
 - Platform: Windows, Linux
 - Keywords: simulation, inspired by Drug Wars, remake
- Code repository: https://sourceforge.net/projects/dopewars/
+- Code repository: https://svn.code.sf.net/p/dopewars/code/ (svn)
 - Code language: C
 - Code license: GPL-2.0

--- a/entries/fantasy_map_generator.md
+++ b/entries/fantasy_map_generator.md
@ -0,0 +1,14 @@
+# Fantasy Map Generator
+
+_Generate interactive and highly customizable svg maps based on voronoi diagrams._
+
+- Home: https://azgaar.github.io/Fantasy-Map-Generator/
+- State: mature
+- Platform: Web
+- Keywords: tool
+- Code repository: https://github.com/Azgaar/Fantasy-Map-Generator.git
+- Code language: JavaScript
+- Code license: MIT
+
+## Building
+
--- a/entries/free_space_colonization.md
+++ b/entries/free_space_colonization.md
@ -3,10 +3,10 @@
 _Game of colonization, research, diplomacy and trade. A 4X approach.It is played on randomly generated maps, the aim is to build an empire and rule most of the galaxy._

 - Home: http://fsc.sourceforge.net/, https://sourceforge.net/projects/fsc/
- State: beta
+- State: beta, inactive since 2017
 - Download: https://sourceforge.net/projects/fsc/files
 - Keywords: strategy
- Code repository: https://svn.code.sf.net/p/fsc/code/ (svn)
+- Code repository: https://gitlab.com/osgames/fsc.git (clone of svn), https://svn.code.sf.net/p/fsc/code/ (svn)
 - Code language: C
 - Code license: GPL-2.0

--- a/entries/freeciv_alpha_centauri_project.md
+++ b/entries/freeciv_alpha_centauri_project.md
@ -6,7 +6,7 @@ _Remake of Sid Meier's Alpha Centauri._
 - State: beta, inactive since 2003
 - Download: https://sourceforge.net/projects/freecivac/files/Stable%20Releases/
 - Keywords: strategy, fork of Freeciv, inspired by Sid Meier's Alpha Centauri, remake
- Code repository: http://freecivac.cvs.sourceforge.net (cvs)
+- Code repository: https://gitlab.com/osgames/freecivac.git (conversion to cvs), http://freecivac.cvs.sourceforge.net (cvs)
 - Code language: C
 - Code license: GPL-2.0

--- a/entries/frets_on_fire.md
+++ b/entries/frets_on_fire.md
@ -7,7 +7,7 @@ _Remake of Guitar Hero._
 - Download: https://sourceforge.net/projects/fretsonfire/files/
 - Platform: Windows, Linux, macOS
 - Keywords: music, inspired by Guitar Hero, remake
- Code repository: https://svn.code.sf.net/p/fretsonfire/code (svn)
+- Code repository: https://github.com/skyostil/fretsonfire.git, https://svn.code.sf.net/p/fretsonfire/code (svn)
 - Code language: Python
 - Code license: GPL-2.0

--- a/entries/froggix.md
+++ b/entries/froggix.md
@ -6,7 +6,7 @@ _Remake of Frogger._
 - State: beta, inactive since 2009
 - Download: https://sourceforge.net/projects/froggix/files/
 - Keywords: arcade, inspired by Frogger, remake, side-scrolling, skill
- Code repository: https://svn.code.sf.net/p/froggix/code/ (svn)
+- Code repository: https://gitlab.com/osgames/froggix.git (clone of svn), https://svn.code.sf.net/p/froggix/code/ (svn)
 - Code language: Python
 - Code license: GPL-3.0
 - Code dependencies: pygame
--- a/entries/gamecake.md
+++ b/entries/gamecake.md
@ -0,0 +1,15 @@
+# GameCake
+
+_Single exe cross platform game engine using Lua._
+
+- Home: https://xriss.github.io/gamecake/, http://cake.4lfa.com/gamecake
+- State: mature
+- Platform: Windows, Linux, macOS
+- Keywords: game engine
+- Code repository: https://github.com/xriss/gamecake.git, https://bitbucket.org/xixs/lua (hg outdated), https://bitbucket.org/xixs/bin (hg)
+- Code language: C, C++, Lua
+- Code license: MIT
+
+## Building
+
+- Build system: Make
--- a/entries/gist-txt.md
+++ b/entries/gist-txt.md
@ -0,0 +1,14 @@
+# gist-txt
+
+_A minimal text adventure engine._
+
+- Home: http://potomak.github.io/gist-txt/#acebd8fe14942fab4e8e
+- State: mature, inactive since 2018
+- Platform: Web
+- Keywords: adventure, game engine, text-based
+- Code repository: https://github.com/potomak/gist-txt.git
+- Code language: JavaScript
+- Code license: MIT
+
+## Building
+
--- a/entries/heart_of_the_alien.md
+++ b/entries/heart_of_the_alien.md
@ -2,13 +2,14 @@

 _Remake of Another World 2: Heart of the Alien._

- Home: http://hota.sourceforge.net/
+- Home: http://hota.sourceforge.net/, https://sourceforge.net/projects/hota/
 - State: beta, inactive since 2005
- Download: https://sourceforge.net/projects/hota/files/ (see home)
+- Download: https://sourceforge.net/projects/hota/files/
 - Platform: Windows
- Keywords: adventure, inspired by Another World 2: Heart of the Alien, remake
- Code repository: http://hota.cvs.sourceforge.net (cvs)
+- Keywords: adventure, commercial content, inspired by Another World 2: Heart of the Alien, remake, requires original content
+- Code repository: https://gitlab.com/osgames/hota.git (conversion of cvs), http://hota.cvs.sourceforge.net (cvs)
 - Code language: C
 - Code license: GPL-2.0
+- Code dependencies: SDL

 ## Building
--- a/entries/hexon.md
+++ b/entries/hexon.md
@ -0,0 +1,17 @@
+# heXon
+
+_Twin-stick shooter_
+
+- Home: https://luckeyproductions.itch.io/hexon
+- State: beta
+- Platform: Linux
+- Keywords: role playing, shooter
+- Code repository: https://gitlab.com/luckeyproductions/heXon.git, https://github.com/LucKeyProductions/heXon.git (outdated)
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: Urho3D
+
+## Building
+
+- Build system: CMake
+
--- a/entries/hypatia.md
+++ b/entries/hypatia.md
@ -0,0 +1,13 @@
+# Hypatia
+
+_2D action adventure game engine._
+
+- Home: https://github.com/hypatia-software-org/hypatia-engine
+- State: beta, inactive since 2016
+- Keywords: adventure, 2D, game engine
+- Code repository: https://github.com/hypatia-software-org/hypatia-engine.git
+- Code language: Python
+- Code license: MIT
+
+## Building
+
--- a/entries/klooni_1010.md
+++ b/entries/klooni_1010.md
@ -0,0 +1,17 @@
+# Klooni 1010!
+
+_Clone of the puzzle game 1010!_
+
+- Home: https://lonami.dev/klooni/
+- State: beta
+- Download: https://f-droid.org/de/packages/io.github.lonamiwebs.klooni/
+- Platform: Android
+- Keywords: puzzle, inspired by 1010!
+- Code repository: https://github.com/LonamiWebs/Klooni1010.git
+- Code language: Java
+- Code license: GPL-3.0
+- Code dependencies: libGDX
+
+## Building
+
+- Build system: Gradle
--- a/entries/krystal_drop.md
+++ b/entries/krystal_drop.md
@ -2,13 +2,14 @@

 _Remake of Magical Drop._

- Home: http://krystaldrop.sourceforge.net/
+- Home: http://krystaldrop.sourceforge.net/, https://sourceforge.net/projects/krystaldrop/
 - State: beta, inactive since 2004
- Download: http://krystaldrop.sourceforge.net/downloads.html
+- Download: http://krystaldrop.sourceforge.net/downloads.html, https://sourceforge.net/projects/krystaldrop/files/krystaldrop/
 - Platform: Linux
 - Keywords: puzzle, inspired by Magical Drop, remake
- Code repository: https://krystaldrop.cvs.sourceforge.net
+- Code repository: https://gitlab.com/osgames/krystaldrop.git (conversion of cvs), https://krystaldrop.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0
+- Code dependencies: SDL

 ## Building
--- a/entries/microracers.md
+++ b/entries/microracers.md
@ -2,14 +2,16 @@

 _Remake of Micro Machines._

- Home: http://microracers.sourceforge.net/
+- Home: http://microracers.sourceforge.net/, https://sourceforge.net/projects/microracers/
 - State: beta, inactive since 2005
 - Download: https://sourceforge.net/projects/microracers/files/microracers/
 - Keywords: remake, 2D, inspired by Micro Machines, racing
- Code repository: http://microracers.cvs.sourceforge.net (cvs)
- Code language: C++
+- Code repository: https://gitlab.com/osgames/microracers.git (conversion of cvs), http://microracers.cvs.sourceforge.net (cvs)
+- Code language: C, C++
 - Code license: GPL-2.0

 Not really beta?

 ## Building
+
+- Build system: Make
--- a/entries/mini2dx.md
+++ b/entries/mini2dx.md
@ -0,0 +1,17 @@
+# mini2Dx
+
+_Framework for prototyping and building 2D games in Java._
+
+- Home: https://mini2dx.org/
+- State: mature
+- Download: https://mini2dx.org/downloads.html, https://github.com/mini2Dx/mini2Dx/releases
+- Platform: Windows, Linux, macOS
+- Keywords: game engine
+- Code repository: https://github.com/mini2Dx/mini2Dx.git
+- Code language: Java, C#
+- Code license: Apache-2.0
+
+
+## Building
+
+- Build system: Gradle
--- a/entries/mocha_doom.md
+++ b/entries/mocha_doom.md
@ -8,6 +8,6 @@ _Remake of Doom, Doom II, Heretic, Hexen._
 - Keywords: remake, first-person, inspired by Doom + Doom II + Heretic + Hexen, shooter
 - Code repository: http://mochadoom.cvs.sourceforge.net (cvs)
 - Code language: Java
- Code license: GPL-3.0
+- Code license: ?

 ## Building
--- a/entries/nighthawk.md
+++ b/entries/nighthawk.md
@ -2,12 +2,12 @@

 _Remake of Paradroid._

- Home: http://night-hawk.sourceforge.net/
+- Home: http://night-hawk.sourceforge.net/, https://sourceforge.net/projects/night-hawk/
 - Media: https://en.wikipedia.org/wiki/Paradroid#Other_clones_and_games_inspired_by_Paradroid
 - State: mature, inactive since 2004
 - Download: http://night-hawk.sourceforge.net/dl.php
 - Keywords: arcade, inspired by Paradroid, puzzle, remake, shoot-em
- Code repository: https://night-hawk.cvs.sourceforge.net (cvs)
+- Code repository: https://gitlab.com/osgames/night-hawk.git (conversion of cvs), https://night-hawk.cvs.sourceforge.net (cvs)
 - Code language: C++
 - Code license: GPL-2.0

--- a/entries/nstars.md
+++ b/entries/nstars.md
@ -9,6 +9,6 @@ _Remake of Stars!._
 - Keywords: strategy, inspired by Stars!, remake
 - Code repository: http://nstars.cvs.sourceforge.net (cvs)
 - Code language: C#
- Code license: GPL-2.0
+- Code license: ?

 ## Building
--- a/entries/openmortal.md
+++ b/entries/openmortal.md
@ -7,8 +7,10 @@ _Clone of Mortal Kombat._
 - Download: http://openmortal.sourceforge.net/download.html
 - Platform: Windows, Linux, macOS
 - Keywords: action, clone, inspired by Mortal Kombat
- Code repository: http://openmortal.cvs.sourceforge.net (cvs)
- Code language: C++
+- Code repository: https://gitlab.com/osgames/openmortal.git (conversion of cvs), http://openmortal.cvs.sourceforge.net (cvs)
+- Code language: C++, Perl
 - Code license: GPL-2.0

 ## Building
+
+- Build system: Make
--- a/entries/pathological.md
+++ b/entries/pathological.md
@ -5,9 +5,11 @@ _Remake of Log!cal._
 - Home: http://pathological.sourceforge.net/, https://sourceforge.net/projects/pathological/
 - State: beta, inactive since 2003
 - Keywords: puzzle, inspired by Log!cal, remake
- Code repository: http://pathological.cvs.sourceforge.net (cvs)
+- Code repository: https://gitlab.com/osgames/pathological.git (conversion of cvs), http://pathological.cvs.sourceforge.net (cvs)
 - Code language: Python
 - Code license: GPL-2.0
 - Code dependencies: pygame

 ## Building
+
+- Build system: Make
--- a/entries/privateer-gemini_gold.md
+++ b/entries/privateer-gemini_gold.md
@ -2,7 +2,7 @@

 _Remake of Wing Commander: Privateer._

- Home: http://privateer.sourceforge.net/
+- Home: http://privateer.sourceforge.net/, https://sourceforge.net/projects/privateer/
 - State: mature, inactive since 2012
 - Download: http://privateer.sourceforge.net/files.shtml, https://sourceforge.net/projects/privateer/files/
 - Platform: Windows, Linux, macOS
--- a/entries/pygame-alien-invasion.md
+++ b/entries/pygame-alien-invasion.md
@ -0,0 +1,16 @@
+# Pygame---Alien-Invasion
+
+_Space craft game to shoot down incoming aliens._
+
+- Home: https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion
+- State: beta, inactive since 2018
+- Platform: Windows, Linux, macOS
+- Keywords: arcade
+- Code repository: https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion.git
+- Code language: Python
+- Code license: GPL-3.0
+- Code dependencies: pygame
+
+## Building
+
+- Build system: None
--- a/entries/rescue_max.md
+++ b/entries/rescue_max.md
@ -6,8 +6,8 @@ _Remake of Rescue!._
 - State: beta, inactive since 2013
 - Download: https://sourceforge.net/projects/rescue/files/
 - Keywords: action, inspired by Rescue!, real time, remake, space, strategy
- Code repository: http://svn.code.sf.net/p/rescue/code/ (svn)
+- Code repository: https://gitlab.com/osgames/rescue.git (clone of svn), http://svn.code.sf.net/p/rescue/code/ (svn)
 - Code language: Java
- Code license: GPL-2.0
+- Code license: GPL-3.0

 ## Building
--- a/entries/slashem.md
+++ b/entries/slashem.md
@ -8,13 +8,13 @@ _Variant of the roguelike game NetHack that offers extra features, monsters, and
 - Download: http://slashem.sourceforge.net/stable.html, https://sourceforge.net/projects/slashem/files/
 - Keywords: role playing, clone, inspired by NetHack, roguelike
 - Code repository: https://github.com/osgamearchive/slashem.git (archived conversion of cvs), https://sourceforge.net/p/slashem/code (cvs)
- Code language: C
+- Code language: C, R, C++
 - Code license: Custom (NetHack license)

-Based on NetHack
-
 See also https://github.com/dirkz/slashem-iphone, https://github.com/Elronnd/slashem-next, https://code.google.com/archive/p/slashem-macosx/, https://github.com/blitz/slashem, https://github.com/mistydemeo/slashem,
 https://github.com/SLASHEM-Extended/SLASHEM-Extended, https://github.com/BarclayII/slashem-up

 ## Building

+- Build system: Make
+
--- a/entries/sludge.md
+++ b/entries/sludge.md
@ -0,0 +1,17 @@
+# Sludge
+
+_Adventure game engine._
+
+- Home: https://opensludge.github.io/
+- State: mature
+- Download: https://opensludge.github.io/download.html, https://github.com/opensludge/opensludge/releases
+- Platform: Windows, Linux, macOS
+- Keywords: game engine, adventue
+- Code repository: https://github.com/opensludge/opensludge.git
+- Code language: C, C++, Objective-C
+- Code license: LGPL-2.1
+- Code dependencies: GTK
+
+## Building
+
+- Build system: Make
--- a/entries/sopwith_3.md
+++ b/entries/sopwith_3.md
@ -7,8 +7,10 @@ _Remake of Sopwith._
 - State: beta, inactive since 2003
 - Download: http://www.wingkong.net/sopwith2b/files-games.html, https://sourceforge.net/projects/sopwith3/files/
 - Keywords: simulation, flight, inspired by Sopwith, remake
- Code repository: http://sopwith3.cvs.sourceforge.net (cvs)
- Code language: C++
+- Code repository: https://gitlab.com/osgames/sopwith3.git (conversion of cvs), http://sopwith3.cvs.sourceforge.net (cvs)
+- Code language: C, C++, Objective-C
 - Code license: GPL-2.0

 ## Building
+
+- Build system: Make
--- a/entries/squiffy.md
+++ b/entries/squiffy.md
@ -0,0 +1,14 @@
+# Squiffy
+
+_Tool for creating multiple choice interactive fiction._
+
+- Home: https://github.com/textadventures/squiffy
+- State: mature
+- Download: https://github.com/textadventures/squiffy/releases
+- Platform: Web
+- Keywords: tool, game engine, interactive fiction
+- Code repository: https://github.com/textadventures/squiffy.git
+- Code language: JavaScript
+- Code license: MIT
+
+## Building
--- a/entries/tocs/_action.md
+++ b/entries/tocs/_action.md
@ -31,8 +31,8 @@
 - **[Blobby Volley 2](../blobby_volley_2.md)** (C++, GPL-2.0, mature, inactive since 2017)
 - **[Blobwars: Metal Blob Solid](../blobwars_metal_blob_solid.md)** (C++, GPL-2.0, mature)
 - **[Bombermaaan](../bombermaaan.md)** (C++, GPL-3.0, mature, inactive since 2010)
- **[Bombic2](../bombic2.md)** (C++, GPL-2.0, beta, inactive since 2010)
- **[Bombic](../bombic.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Bombic2](../bombic2.md)** (C++, ?, beta, inactive since 2010)
+- **[Bombic](../bombic.md)** (C++, Objective-C, GPL-2.0, beta, inactive since 2005)
 - **[Bombman](../bombman.md)** (Python, CC0, mature)
 - **[BOOM: Remake](../boom_remake.md)** (C++, Custom, mature)
 - **[Boulder Dash](../boulder_dash.md)** (Java, MIT, mature, inactive since 2015)
@ -128,7 +128,7 @@
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
 - **[OpenLiero](../openliero.md)** (C++, Custom, mature, inactive since 2015)
 - **[OpenLieroX](../openlierox.md)** (C++, LGPL-2.0, mature)
- **[OpenMortal](../openmortal.md)** (C++, GPL-2.0, beta, inactive since 2006)
+- **[OpenMortal](../openmortal.md)** (C++, Perl, GPL-2.0, beta, inactive since 2006)
 - **[openMSX](../openmsx.md)** (C++, GPL-2.0, mature)
 - **[OpenNotrium](../opennotrium.md)** (C++, GPL-3.0, beta)
 - **[OpenOMF](../openomf.md)** (C, C++, MIT, beta)
@ -141,7 +141,7 @@
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
 - **[Red Eclipse](../red_eclipse.md)** (C++, zlib, mature)
- **[Rescue! Max](../rescue_max.md)** (Java, GPL-2.0, beta, inactive since 2013)
+- **[Rescue! Max](../rescue_max.md)** (Java, GPL-3.0, beta, inactive since 2013)
 - **[Return of Dr. Destructo](../return_of_dr_destructo.md)** (C++, MIT, mature, inactive since 2015)
 - **[Rigel Engine](../rigel_engine.md)** (C++, GPL-2.0, beta)
 - **[Rise of the Triad for Linux](../rise_of_the_triad_for_linux.md)** (C, GPL-2.0, mature, inactive since 2012)
--- a/entries/tocs/_adventure.md
+++ b/entries/tocs/_adventure.md
@ -7,6 +7,7 @@
 - **[Bladecoder Adventure Engine](../bladecoder_adventure_engine.md)** (Java, Apache-2.0, mature)
 - **[Childsplay](../childsplay.md)** (Python, GPL-3.0, mature)
 - **[Colossal Cave Adventure](../colossal_cave_adventure.md)** (Python, Apache-2.0, mature)
+- **[Dedalus](../dedalus.md)** (JavaScript, GPL-2.0, beta, inactive since 2018)
 - **[Der Clou!](../der_clou.md)** (C, Custom, beta, inactive since 2017)
 - **[Digital: A Love Story](../digital_a_love_story.md)** (Ren'py, CC-BY-NC-SA, mature)
 - **[Dragon History - Dračí Historie](../dragon_history-dra_historie.md)** (Pascal, Script, GPL-2.0, mature, inactive since 2010)
@ -14,9 +15,11 @@
 - **[Fanwor](../fanwor.md)** (C, GPL-2.0, mature)
 - **[Free in the Dark (engine)](../free_in_the_dark_engine.md)** (C, C++, GPL-2.0, beta)
 - **[GameLV](../gamelv.md)** (C++, GPL-2.0, beta)
+- **[gist-txt](../gist-txt.md)** (JavaScript, MIT, mature, inactive since 2018)
 - **[Grail](../grail.md)** (C++, Lua, GPL-3.0, beta, inactive since 2013)
 - **[Head over Heels](../head_over_heels.md)** (C++, GPL-3.0, mature)
 - **[Heart of the Alien](../heart_of_the_alien.md)** (C, GPL-2.0, beta, inactive since 2005)
+- **[Hypatia](../hypatia.md)** (Python, MIT, beta, inactive since 2016)
 - **[javascript-E.T.](../javascript-et.md)** (JavaScript, Assembly, MIT, beta, inactive since 2017)
 - **[Morpheus Web Remake](../morpheus_web_remake.md)** (Javascript, MIT, beta)
 - **[Murder In The Public Domain](../murder_in_the_public_domain.md)** (C++, GPL-3.0, mature, inactive since 2013)
--- a/entries/tocs/_all.md
+++ b/entries/tocs/_all.md
@ -13,6 +13,7 @@
 - **[4D-TRIS](../4d-tris.md)** (C, GPL-2.0, mature, inactive since 2012)
 - **[54321](../54321.md)** (C++, Custom, mature, inactive since 2001)
 - **[A Planet's Revenge](../a_planets_revenge.md)** (Python, GPL-3.0, beta, inactive since 2008)
+- **[a2x](../a2x.md)** (C, Python, C++, GPL-3.0, beta)
 - **[A7Xpg](../a7xpg.md)** (D, 2-clause BSD, beta, inactive since 2005)
 - **[Abe's Amazing Adventure](../abes_amazing_adventure.md)** (C, GPL-2.0, mature, inactive since 2005)
 - **[Abuse](../abuse.md)** (C++, Lisp, Public domain, GPL-2.0, WTFPL, mature, inactive since 2011)
@ -111,14 +112,15 @@
 - **[BlockOut II](../blockout_ii.md)** (C++, GPL-2.0, mature, inactive since 2014)
 - **[boardgame.io](../boardgameio.md)** (JavaScript, TypeScript, MIT, beta)
 - **[Bombermaaan](../bombermaaan.md)** (C++, GPL-3.0, mature, inactive since 2010)
- **[Bombic2](../bombic2.md)** (C++, GPL-2.0, beta, inactive since 2010)
- **[Bombic](../bombic.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Bombic2](../bombic2.md)** (C++, ?, beta, inactive since 2010)
+- **[Bombic](../bombic.md)** (C++, Objective-C, GPL-2.0, beta, inactive since 2005)
 - **[Bombman](../bombman.md)** (Python, CC0, mature)
 - **[BOOM: Remake](../boom_remake.md)** (C++, Custom, mature)
 - **[Boost (C++ Libraries)](../boost_c_libraries.md)** (C++, Boost-1.0, mature)
 - **[Bos Wars](../bos_wars.md)** (C++, GPL-2.0, mature, inactive since 2013)
 - **[Boson](../boson.md)** (C++, GPL-2.0, beta, inactive since 2006)
 - **[Boulder Dash](../boulder_dash.md)** (Java, MIT, mature, inactive since 2015)
+- **[Box2D](../box2d.md)** (C, C++, Objective-C, zlib, mature)
 - **[Brain Workshop](../brain_workshop.md)** (Python, GPL-2.0, mature, inactive since 2011)
 - **[bratwurst](../bratwurst.md)** (Lisp, GPL-2.0, mature, inactive since 2009)
 - **[Breakout-VR](../breakout-vr.md)** (C#, MIT, beta, inactive since 2017)
@ -183,6 +185,7 @@
 - **[CommandoJS](../commandojs.md)** (JavaScript, CoffeeScript, MIT, beta, inactive since 2012)
 - **[Conquests](../conquests.md)** (C++, GPL-2.0, mature, inactive since 2012)
 - **[Core War](../core_war.md)** (C, Java, GPL-2.0, 2-clause BSD, mature)
+- **[CorEngine](../corengine.md)** (C, zlib, beta, inactive since 2015)
 - **[CorsixTH](../corsixth.md)** (Lua, C++, MIT, mature)
 - **[Cosmosmash](../cosmosmash.md)** (C++, GPL-2.0, mature, inactive since 2013)
 - **[Crack Attack!](../crack_attack.md)** (C++, GPL-2.0, mature, inactive since 2005)
@ -213,6 +216,7 @@
 - **[Dear ImGui](../dear_imgui.md)** (C, C++, MIT, mature)
 - **[Deathchase 3D](../deathchase_3d.md)** (C, GPL-2.0, mature, inactive since 2002)
 - **[Decker](../decker.md)** (Java, GPL-2.0, beta, inactive since 2013)
+- **[Dedalus](../dedalus.md)** (JavaScript, GPL-2.0, beta, inactive since 2018)
 - **[Defendguin](../defendguin.md)** (C, GPL-2.0, mature, inactive since 2009)
 - **[Deity](../deity.md)** (Python, GPL-2.0, mature, inactive since 2014)
 - **[Deliantra](../deliantra.md)** (C, GPL-2.0, mature)
@ -233,6 +237,7 @@
 - **[Digger Remastered](../digger_remastered.md)** (C, GPL-2.0, mature, inactive since 2004)
 - **[Digital: A Love Story](../digital_a_love_story.md)** (Ren'py, CC-BY-NC-SA, mature)
 - **[Dingo-Engine](../dingo-engine.md)** (Java, 3-clause BSD, beta, inactive since 2016)
+- **[DirectX12GameEngine](../directx12gameengine.md)** (C#, MIT, beta)
 - **[DNT](../dnt.md)** (C++, GPL-3.0, beta, inactive since 2016)
 - **[Do It Yourself Doom With SDL](../do_it_yourself_doom_with_sdl.md)** (C++, MIT, beta)
 - **[Domination](../domination.md)** (Java, GPL-3.0, mature)
@ -302,6 +307,7 @@
 - **[Fallen Spire](../fallen_spire.md)** (Python, GPL-3.0, beta, inactive since 2009)
 - **[Falling Time](../falling_time.md)** (C, C++, GPL-2.0, mature)
 - **[Falltergeist](../falltergeist.md)** (C++, GPL-3.0, beta)
+- **[Fantasy Map Generator](../fantasy_map_generator.md)** (JavaScript, MIT, mature)
 - **[Fanwor](../fanwor.md)** (C, GPL-2.0, mature)
 - **[FAR Colony](../far_colony.md)** (Pascal, GPL-3.0, beta, inactive since 2014)
 - **[FIFE](../fife.md)** (C++, Python, LGPL-2.1, beta)
@ -319,7 +325,7 @@
 - **[Free Heroes 2](../free_heroes_2.md)** (C++, GPL-2.0, beta, inactive since 2015)
 - **[Free in the Dark (engine)](../free_in_the_dark_engine.md)** (C, C++, GPL-2.0, beta)
 - **[Free Mars](../free_mars.md)** (Java, GPL-3.0, mature)
- **[Free Space Colonization](../free_space_colonization.md)** (C, GPL-2.0, beta)
+- **[Free Space Colonization](../free_space_colonization.md)** (C, GPL-2.0, beta, inactive since 2017)
 - **[freeablo](../freeablo.md)** (C++, GPL-3.0, beta)
 - **[freeaoe](../freeaoe.md)** (C++, GPL-3.0, beta)
 - **[FreeBlocks](../freeblocks.md)** (C, Java, GPL-3.0, beta, inactive since 2015)
@ -358,6 +364,7 @@
 - **[Galaxy Forces V2](../galaxy_forces_v2.md)** (C++, ?, mature)
 - **[GalaxyMage Redux](../galaxymage_redux.md)** (Python, GPL-2.0, beta, inactive since 2011)
 - **[GalaxyNG](../galaxyng.md)** (C, GPL-2.0, mature, inactive since 2005)
+- **[GameCake](../gamecake.md)** (C, C++, Lua, MIT, mature)
 - **[GameLV](../gamelv.md)** (C++, GPL-2.0, beta)
 - **[Gang Garrison 2](../gang_garrison_2.md)** (Game Maker Script, MPL, mature)
 - **[GDash](../gdash.md)** (C++, MIT, beta)
@ -369,6 +376,7 @@
 - **[ges-code](../ges-code.md)** (C, C++, GPL-3.0, mature)
 - **[Gift Grabber](../gift_grabber.md)** (JavaScript, Apache-2.0, mature)
 - **[Gigalomania](../gigalomania.md)** (C++, GPL-2.0, mature)
+- **[gist-txt](../gist-txt.md)** (JavaScript, MIT, mature, inactive since 2018)
 - **[GL4ES](../gl4es.md)** (C, MIT, mature)
 - **[Glest](../glest.md)** (C++, GPL-2.0, mature, inactive since 2009)
 - **[Globulation 2](../globulation_2.md)** (C++, GPL-3.0, mature)
@ -416,6 +424,7 @@
 - **[Heroes of Wing Commander](../heroes_of_wing_commander.md)** (Python, GPL-3.0, beta, inactive since 2014)
 - **[Hex Game](../hex_game.md)** (C++, MIT, beta)
 - **[HexGL](../hexgl.md)** (JavaScript, CoffeeScript, MIT, mature, inactive since 2016)
+- **[heXon](../hexon.md)** (C++, GPL-2.0, beta)
 - **[Hexoshi](../hexoshi.md)** (Python, GPL-3.0, beta, inactive since 2016)
 - **[Hextris](../hextris.md)** (JavaScript, GPL-3.0, mature)
 - **[Hexwar](../hexwar.md)** (Ruby, JavaScript, MIT, beta, inactive since 2012)
@ -426,6 +435,7 @@
 - **[HoverRace](../hoverrace.md)** (C++, Custom NC, mature, inactive since 2016)
 - **[Hovertank3D](../hovertank3d.md)** (C++, Assembly, GPL-2.0, mature, inactive since 2014)
 - **[HTML5 Pacman](../html5_pacman.md)** (JavaScript, WTFPL, mature, inactive since 2013)
+- **[Hypatia](../hypatia.md)** (Python, MIT, beta, inactive since 2016)
 - **[HyperRogue](../hyperrogue.md)** (C++, GPL-2.0, mature)
 - **[I Have No Tomatoes](../i_have_no_tomatoes.md)** (C++, zlib, mature, inactive since 2004)
 - **[ICBM3D](../icbm3d.md)** (C, ?, beta, inactive since 1998)
@ -472,6 +482,7 @@
 - **[Kingdoms](../kingdoms.md)** (C++, GPL-3.0, beta, inactive since 2014)
 - **[KittenMaxit](../kittenmaxit.md)** (Java, MIT, beta)
 - **[KKnD](../kknd.md)** (C#, GPL-3.0, beta)
+- **[Klooni 1010!](../klooni_1010.md)** (Java, GPL-3.0, beta)
 - **[KnightOfWor](../knightofwor.md)** (Java, GPL-3.0, beta, inactive since 2015)
 - **[Knights](../knights.md)** (C++, GPL-3.0, beta, inactive since 2014)
 - **[Kobold's Quest 2](../kobolds_quest_2.md)** (Python, LGPL-3.0, beta, inactive since 2011)
@ -543,17 +554,18 @@
 - **[Mice Men: Remix](../mice_men_remix.md)** (Java, LGPL-3.0, mature, inactive since 2016)
 - **[Micropolis](../micropolis.md)** (C++, Java, Python, GPL-3.0, mature, inactive since 2015)
 - **[micropolisJS](../micropolisjs.md)** (JavaScript, GPL-3.0, mature)
- **[Microracers](../microracers.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Microracers](../microracers.md)** (C, C++, GPL-2.0, beta, inactive since 2005)
 - **[MicroWar 2.0](../microwar_20.md)** (Python, 3-clause BSD, mature, inactive since 2009)
 - **[MineCraft-One-Week-Challenge](../minecraft-one-week-challenge.md)** (C++, MIT, beta)
 - **[Minesweeper (in C)](../minesweeper_in_c.md)** (C, 3-clause BSD, beta, inactive since 2015)
 - **[Minesweeper.Zone](../minesweeperzone.md)** (JavaScript, PHP, MIT, mature)
 - **[Minetest](../minetest.md)** (C, C++, Lua, LGPL-2.1, mature)
+- **[mini2Dx](../mini2dx.md)** (Java, C#, Apache-2.0, mature)
 - **[Mininim](../mininim.md)** (C, GPL-3.0, beta, inactive since 2017)
 - **[Mirror Magic](../mirror_magic.md)** (C, GPL-2.0, mature)
 - **[mk.js](../mkjs.md)** (JavaScript, MIT, beta)
 - **[mkxp](../mkxp.md)** (C++, C, GPL-2.0, mature)
- **[Mocha Doom](../mocha_doom.md)** (Java, GPL-3.0, beta, inactive since 2012)
+- **[Mocha Doom](../mocha_doom.md)** (Java, ?, beta, inactive since 2012)
 - **[MonoGame](../monogame.md)** (C#, Ms-PL, MIT, mature)
 - **[Monster Generator](../monster_generator.md)** (Java, MIT, mature)
 - **[Monsters and Mushrooms](../monsters_and_mushrooms.md)** (Python, GPL-2.0, mature, inactive since 2010)
@ -579,7 +591,7 @@
 - **[NLarn](../nlarn.md)** (C, Lua, GPL-3.0, mature)
 - **[Noiz2sa](../noiz2sa.md)** (C, C++, 2-clause BSD, beta, inactive since 2004)
 - **[NOVA PINBALL](../nova_pinball.md)** (Lua, GPL-3.0, beta, inactive since 2017)
- **[NStars!](../nstars.md)** (C#, GPL-2.0, beta, inactive since 2004)
+- **[NStars!](../nstars.md)** (C#, ?, beta, inactive since 2004)
 - **[NullpoMino](../nullpomino.md)** (Java, 3-clause BSD, mature)
 - **[Nuncabola](../nuncabola.md)** (Java, GPL-2.0, beta)
 - **[Nuvie](../nuvie.md)** (C, C++, Lua, GPL-2.0, beta, inactive since 2018)
@ -652,7 +664,7 @@
 - **[OpenMC2](../openmc2.md)** (C++, GPL-3.0, beta, inactive since 2018)
 - **[OpenMoM](../openmom.md)** (C, C++, GPL-3.0, beta)
 - **[OpenMOO2](../openmoo2.md)** (Python, GPL-2.0, beta, inactive since 2011)
- **[OpenMortal](../openmortal.md)** (C++, GPL-2.0, beta, inactive since 2006)
+- **[OpenMortal](../openmortal.md)** (C++, Perl, GPL-2.0, beta, inactive since 2006)
 - **[openMSX](../openmsx.md)** (C++, GPL-2.0, mature)
 - **[OpenMW](../openmw.md)** (C++, GPL-3.0, mature)
 - **[OpenNFS](../opennfs.md)** (C, C++, MIT, beta)
@ -738,6 +750,7 @@
 - **[Pushover](../pushover.md)** (C++, C, Lua, GPL-3.0, beta, inactive since 2018)
 - **[PyBreak360](../pybreak360.md)** (Python, GPL-3.0, mature, inactive since 2015)
 - **[pycraft](../pycraft.md)** (C, Python, GPL-2.0, mature, inactive since 2018)
+- **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[pygame](../pygame.md)** (C, Python, LGPL-2.1, mature)
 - **[PyKaraoke](../pykaraoke.md)** (Python, LGPL-2.1, beta, inactive since 2011)
 - **[Pymapper](../pymapper.md)** (Python, GPL-3.0, mature)
@ -764,7 +777,7 @@
 - **[REGoth](../regoth.md)** (C++, GPL-3.0, mature)
 - **[Remixed Dungeon](../remixed_dungeon.md)** (Java, GPL-3.0, mature)
 - **[ReQbert](../reqbert.md)** (JavaScript, GPL-3.0, beta)
- **[Rescue! Max](../rescue_max.md)** (Java, GPL-2.0, beta, inactive since 2013)
+- **[Rescue! Max](../rescue_max.md)** (Java, GPL-3.0, beta, inactive since 2013)
 - **[ResidualVM](../residualvm.md)** (C++, GPL-2.0, beta)
 - **[Return of Dr. Destructo](../return_of_dr_destructo.md)** (C++, MIT, mature, inactive since 2015)
 - **[Return to the Roots](../return_to_the_roots.md)** (C++, GPL-3.0, mature)
@ -825,10 +838,11 @@
 - **[skifree.js](../skifreejs.md)** (JavaScript, MIT, mature, inactive since 2016)
 - **[Skrupel - Tribute Compilation](../skrupel-tribute_compilation.md)** (PHP, JavaScript, GPL-2.0, mature, inactive since 2011)
 - **[SLADE](../slade.md)** (C++, GPL-2.0, mature)
- **[SLASH'EM](../slashem.md)** (C, Custom, beta, inactive since 2007)
+- **[SLASH'EM](../slashem.md)** (C, R, C++, Custom, beta, inactive since 2007)
 - **[Slay](../slay.md)** (Java, GPL-3.0, beta, inactive since 2010)
 - **[Slime Volleyball](../slime_volleyball.md)** (C++, 3-clause BSD, beta)
 - **[Slot-Racers](../slot-racers.md)** (C, GPL-3.0, mature, inactive since 2008)
+- **[Sludge](../sludge.md)** (C, C++, Objective-C, LGPL-2.1, mature)
 - **[Smash Battle](../smash_battle.md)** (C++, ?, beta, inactive since 2011)
 - **[Smash](../smash.md)** (JavaScript, MIT, mature)
 - **[snake](../snake.md)** (Java, WTFPL, mature, inactive since 2017)
@ -837,7 +851,7 @@
 - **[SolarWolf](../solarwolf.md)** (Python, LGPL-2.1, mature, inactive since 2004)
 - **[Song of Albion](../song_of_albion.md)** (C, C++, Apache-2.0, mature, inactive since 2011)
 - **[Sonic Robo Blast 2](../sonic_robo_blast_2.md)** (C, C++, GPL-2.0, mature)
- **[Sopwith 3](../sopwith_3.md)** (C++, GPL-2.0, beta, inactive since 2003)
+- **[Sopwith 3](../sopwith_3.md)** (C, C++, Objective-C, GPL-2.0, beta, inactive since 2003)
 - **[Source of Tales](../source_of_tales.md)** (Lua, GPL-3.0, mature, inactive since 2013)
 - **[Sourcehold](../sourcehold.md)** (C++, MIT, beta)
 - **[Space Faring](../space_faring.md)** (Java, GPL-3.0, beta)
@ -857,6 +871,7 @@
 - **[Spooker Framework](../spooker_framework.md)** (C#, MIT, beta, inactive since 2014)
 - **[Spring: 1944](../spring_1944.md)** (Lua, GPL-2.0, CC-BY-NC, mature)
 - **[Spring](../spring.md)** (C++, C, Lua, GPL-2.0, mature)
+- **[Squiffy](../squiffy.md)** (JavaScript, MIT, mature)
 - **[SS13 Remake](../ss13_remake.md)** (C#, GPL-3.0, beta, inactive since 2015)
 - **[Star Maiden Astraea Rio](../star_maiden_astraea_rio.md)** (Ren'py, CC-BY-NC, mature)
 - **[Star Ruler 2](../star_ruler_2.md)** (C, C++, MIT, mature)
@ -959,6 +974,7 @@
 - **[Tuxemon](../tuxemon.md)** (Python, GPL-3.0, mature)
 - **[TVTower](../tvtower.md)** (BlitzMax, Lua, Custom, mature)
 - **[twin-e](../twin-e.md)** (C, GPL-2.0, beta, inactive since 2015)
+- **[Twine](../twine.md)** (JavaScript, GPL-3.0, mature)
 - **[TwinEngine](../twinengine.md)** (C, GPL-2.0, mature, inactive since 2015)
 - **[Tyrian Remake](../tyrian_remake.md)** (Java, GPL-2.0, beta)
 - **[TyrQuake](../tyrquake.md)** (C, GPL-2.0, beta)
@ -1047,6 +1063,7 @@
 - **[XZ Utils](../xz_utils.md)** (C, Custom, mature)
 - **[Yamagi Quake II](../yamagi_quake_ii.md)** (C, GPL-2.0, mature)
 - **[yaml-cpp](../yaml-cpp.md)** (C++, MIT, mature)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
 - **[Yo Frankie!](../yo_frankie.md)** (Blender Script, ?, mature, inactive since 2009)
 - **[YSoccer](../ysoccer.md)** (Java, GPL-2.0, mature)
 - **[ZAngband](../zangband.md)** (C, Custom, mature, inactive since 2005)
--- a/entries/tocs/_android.md
+++ b/entries/tocs/_android.md
@ -24,6 +24,7 @@
 - **[Jazz² Resurrection](../jazz_resurrection.md)** (C#, JavaScript, GPL-3.0, mature)
 - **[jewelthief](../jewelthief.md)** (Java, GPL-3.0, mature, inactive since 2016)
 - **[KittenMaxit](../kittenmaxit.md)** (Java, MIT, beta)
+- **[Klooni 1010!](../klooni_1010.md)** (Java, GPL-3.0, beta)
 - **[Lexica](../lexica.md)** (Java, GPL-3.0, mature)
 - **[LGeneral](../lgeneral.md)** (C, GPL-2.0, mature, inactive since 2017)
 - **[LIKO-12](../liko-12.md)** (Lua, MIT, mature)
@ -52,4 +53,5 @@
 - **[TowerJumper](../towerjumper.md)** (C++, GDScript, GPL-3.0, mature)
 - **[Turn of War](../turn_of_war.md)** (Java, GPL-3.0, beta, inactive since 2014)
 - **[UnCiv](../unciv.md)** (Kotlin, MPL-2.0, beta)
- **[warcraft-remake](../warcraft-remake.md)** (Java, GPL-2.0, beta)
+- **[warcraft-remake](../warcraft-remake.md)** (Java, GPL-2.0, beta)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
--- a/entries/tocs/_arcade.md
+++ b/entries/tocs/_arcade.md
@ -44,6 +44,7 @@
 - **[Pang Zero](../pang_zero.md)** (Perl, GPL-2.0, beta, inactive since 2007)
 - **[PARSEC47](../parsec47.md)** (D, 2-clause BSD, beta, inactive since 2003)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
+- **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[RacerJS](../racerjs.md)** (JavaScript, MIT, mature, inactive since 2010)
 - **[Rockbot](../rockbot.md)** (C++, GPL-2.0, mature)
 - **[SDL Asylum](../sdl_asylum.md)** (C, GPL-3.0, mature, inactive since 2009)
--- a/entries/tocs/_game-engine.md
+++ b/entries/tocs/_game-engine.md
@ -13,10 +13,13 @@
 - **[Chunk Stories](../chunk_stories.md)** (Kotlin, Java, LGPL-3.0, beta)
 - **[ClanLib](../clanlib.md)** (C, C++, zlib, mature)
 - **[Classic RBDOOM-3-BFG](../classic_rbdoom-3-bfg.md)** (C, C++, GPL-3.0, mature)
+- **[CorEngine](../corengine.md)** (C, zlib, beta, inactive since 2015)
 - **[Crown](../crown.md)** (C, C++, Vala, MIT, beta)
+- **[Dedalus](../dedalus.md)** (JavaScript, GPL-2.0, beta, inactive since 2018)
 - **[DelverEngine](../delverengine.md)** (Java, Custom, beta)
 - **[DesktopAdventures](../desktopadventures.md)** (C, LGPL-2.1, beta)
 - **[Dingo-Engine](../dingo-engine.md)** (Java, 3-clause BSD, beta, inactive since 2016)
+- **[DirectX12GameEngine](../directx12gameengine.md)** (C#, MIT, beta)
 - **[Do It Yourself Doom With SDL](../do_it_yourself_doom_with_sdl.md)** (C++, MIT, beta)
 - **[DOOM](../doom.md)** (C, Custom, mature, inactive since 2012)
 - **[DreeRally](../dreerally.md)** (C, C++, Custom, beta)
@ -28,8 +31,11 @@
 - **[Flare](../flare.md)** (C++, Java, GPL-3.0, mature)
 - **[Free in the Dark (engine)](../free_in_the_dark_engine.md)** (C, C++, GPL-2.0, beta)
 - **[FreeSO](../freeso.md)** (C#, MPL-2.0, beta)
+- **[GameCake](../gamecake.md)** (C, C++, Lua, MIT, mature)
+- **[gist-txt](../gist-txt.md)** (JavaScript, MIT, mature, inactive since 2018)
 - **[Grail](../grail.md)** (C++, Lua, GPL-3.0, beta, inactive since 2013)
 - **[Grit Game Engine](../grit_game_engine.md)** (C++, Python, MIT, beta)
+- **[Hypatia](../hypatia.md)** (Python, MIT, beta, inactive since 2016)
 - **[ika](../ika.md)** (C++, Python, PHP, C#, GPL-2.0, beta, inactive since 2007)
 - **[ioquake3](../ioquake3.md)** (C, GPL-2.0, mature)
 - **[Jake2](../jake2.md)** (Java, GPL-2.0, beta, inactive since 2006)
@ -40,6 +46,7 @@
 - **[Librelancer](../librelancer.md)** (C, C#, MIT, beta)
 - **[LionEngine](../lionengine.md)** (Java, GPL-3.0, mature)
 - **[MAGE - Matthias Advanced Game Engine](../mage-matthias_advanced_game_engine.md)** (C++, GPL-3.0, beta)
+- **[mini2Dx](../mini2dx.md)** (Java, C#, Apache-2.0, mature)
 - **[Nuvie](../nuvie.md)** (C, C++, Lua, GPL-2.0, beta, inactive since 2018)
 - **[Odamex](../odamex.md)** (C, C++, GPL-2.0, beta)
 - **[Open Cube](../open_cube.md)** (C++, zlib, beta, inactive since 2017)
@ -69,15 +76,19 @@
 - **[rRootage](../rrootage.md)** (C, 2-clause BSD, beta, inactive since 2004)
 - **[ScummVM](../scummvm.md)** (C++, GPL-2.0, mature)
 - **[sfall](../sfall.md)** (C++, C, GPL-3.0, mature)
+- **[Sludge](../sludge.md)** (C, C++, Objective-C, LGPL-2.1, mature)
 - **[Spartan Engine](../spartan_engine.md)** (C, C++, MIT, beta)
 - **[Spring](../spring.md)** (C++, C, Lua, GPL-2.0, mature)
+- **[Squiffy](../squiffy.md)** (JavaScript, MIT, mature)
 - **[sundog](../sundog.md)** (C, C++, Python, MIT, beta)
 - **[Tapir](../tapir.md)** (C, Ruby, Apache-2.0, MIT, beta, inactive since 2017)
 - **[The Eternity Engine](../the_eternity_engine.md)** (C, C++, GPL-3.0, mature)
 - **[Thunder Engine](../thunder_engine.md)** (C++, Apache-2.0, beta)
 - **[twin-e](../twin-e.md)** (C, GPL-2.0, beta, inactive since 2015)
+- **[Twine](../twine.md)** (JavaScript, GPL-3.0, mature)
 - **[TwinEngine](../twinengine.md)** (C, GPL-2.0, mature, inactive since 2015)
 - **[urde](../urde.md)** (C, C++, MIT, beta)
 - **[VASSAL](../vassal.md)** (Java, LGPL-2.1, mature)
 - **[WebFun](../webfun.md)** (TypeScript, MIT, beta)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
 - **[Zod Engine](../zod_engine.md)** (C++, ?, mature, inactive since 2018)
--- a/entries/tocs/_ios.md
+++ b/entries/tocs/_ios.md
@ -8,4 +8,5 @@
 - **[LÖVE](../love.md)** (C++, zlib, mature)
 - **[NOVA PINBALL](../nova_pinball.md)** (Lua, GPL-3.0, beta, inactive since 2017)
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
- **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
--- a/entries/tocs/_library.md
+++ b/entries/tocs/_library.md
@ -3,6 +3,7 @@

 - **[Arcane-Engine](../arcane-engine.md)** (C++, MIT, beta)
 - **[Boost (C++ Libraries)](../boost_c_libraries.md)** (C++, Boost-1.0, mature)
+- **[Box2D](../box2d.md)** (C, C++, Objective-C, zlib, mature)
 - **[Crypto++](../crypto.md)** (C++, Boost-1.0, mature)
 - **[Dear ImGui](../dear_imgui.md)** (C, C++, MIT, mature)
 - **[Doxygen](../doxygen.md)** (C++, GPL-2.0, mature)
--- a/entries/tocs/_linux.md
+++ b/entries/tocs/_linux.md
@ -5,6 +5,7 @@
 - **[1oom](../1oom.md)** (C, GPL-2.0, mature)
 - **[3D Pong](../3d_pong.md)** (C, GPL-2.0, beta, inactive since 2004)
 - **[4D-TRIS](../4d-tris.md)** (C, GPL-2.0, mature, inactive since 2012)
+- **[a2x](../a2x.md)** (C, Python, C++, GPL-3.0, beta)
 - **[Abe's Amazing Adventure](../abes_amazing_adventure.md)** (C, GPL-2.0, mature, inactive since 2005)
 - **[Abuse](../abuse.md)** (C++, Lisp, Public domain, GPL-2.0, WTFPL, mature, inactive since 2011)
 - **[Afternoon Stalker](../afternoon_stalker.md)** (C++, GPL-2.0, mature, inactive since 2012)
@ -32,7 +33,7 @@
 - **[Block Attack - Rise of the Blocks](../block_attack-rise_of_the_blocks.md)** (C++, GPL-2.0, mature)
 - **[BlockOut II](../blockout_ii.md)** (C++, GPL-2.0, mature, inactive since 2014)
 - **[Bombermaaan](../bombermaaan.md)** (C++, GPL-3.0, mature, inactive since 2010)
- **[Bombic](../bombic.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Bombic](../bombic.md)** (C++, Objective-C, GPL-2.0, beta, inactive since 2005)
 - **[Brain Workshop](../brain_workshop.md)** (Python, GPL-2.0, mature, inactive since 2011)
 - **[BRIQUOLO](../briquolo.md)** (C++, GPL-3.0, mature, inactive since 2008)
 - **[Brutal Chess](../brutal_chess.md)** (C++, GPL-2.0, beta, inactive since 2007)
@ -93,6 +94,7 @@
 - **[Frets on Fire](../frets_on_fire.md)** (Python, GPL-2.0, mature, inactive since 2008)
 - **[Friking Shark](../friking_shark.md)** (C++, GPL-3.0, mature)
 - **[Frozen Bubble](../frozen_bubble.md)** (Perl, GPL-2.0, mature, inactive since 2012)
+- **[GameCake](../gamecake.md)** (C, C++, Lua, MIT, mature)
 - **[GeonBit.UI](../geonbitui.md)** (C#, MIT, mature)
 - **[GL4ES](../gl4es.md)** (C, MIT, mature)
 - **[GLtron](../gltron.md)** (C, GPL, beta, inactive since 2017)
@ -106,6 +108,7 @@
 - **[Hammer of Thyrion](../hammer_of_thyrion.md)** (C, GPL-2.0, mature)
 - **[Head over Heels](../head_over_heels.md)** (C++, GPL-3.0, mature)
 - **[Hedgewars](../hedgewars.md)** (Lua, C, C++, Pascal, Haskell, GPL-2.0, mature)
+- **[heXon](../hexon.md)** (C++, GPL-2.0, beta)
 - **[Hexoshi](../hexoshi.md)** (Python, GPL-3.0, beta, inactive since 2016)
 - **[HHexen](../hhexen.md)** (C, GPL-2.0, mature, inactive since 2013)
 - **[HoDoKu](../hodoku.md)** (Java, GPL-3.0, mature, inactive since 2013)
@ -132,6 +135,7 @@
 - **[Maxit](../maxit.md)** (C++, ?, mature, inactive since 2014)
 - **[Me and My Shadow](../me_and_my_shadow.md)** (C++, GPL-3.0, beta)
 - **[Minetest](../minetest.md)** (C, C++, Lua, LGPL-2.1, mature)
+- **[mini2Dx](../mini2dx.md)** (Java, C#, Apache-2.0, mature)
 - **[Mininim](../mininim.md)** (C, GPL-3.0, beta, inactive since 2017)
 - **[Morpheus Web Remake](../morpheus_web_remake.md)** (Javascript, MIT, beta)
 - **[Murder In The Public Domain](../murder_in_the_public_domain.md)** (C++, GPL-3.0, mature, inactive since 2013)
@ -156,7 +160,7 @@
 - **[OpenHoW](../openhow.md)** (C, C++, GPL-3.0, beta)
 - **[OpenITG](../openitg.md)** (C, C++, MIT, beta, inactive since 2017)
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
- **[OpenMortal](../openmortal.md)** (C++, GPL-2.0, beta, inactive since 2006)
+- **[OpenMortal](../openmortal.md)** (C++, Perl, GPL-2.0, beta, inactive since 2006)
 - **[OpenOMF](../openomf.md)** (C, C++, MIT, beta)
 - **[OpenRCT2](../openrct2.md)** (C++, GPL-3.0, mature)
 - **[OpenRW](../openrw.md)** (C, C++, GPL-3.0, beta)
@ -177,6 +181,7 @@
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
 - **[Privateer - Gemini Gold](../privateer-gemini_gold.md)** (C++, GPL-2.0, mature, inactive since 2012)
+- **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[PyKaraoke](../pykaraoke.md)** (Python, LGPL-2.1, beta, inactive since 2011)
 - **[pyskool](../pyskool.md)** (Python, GPL-3.0, mature)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
@ -196,6 +201,7 @@
 - **[SDL Sopwith](../sdl_sopwith.md)** (C, GPL-2.0, mature, inactive since 2014)
 - **[Seven Kingdoms: Ancient Adversaries](../seven_kingdoms_ancient_adversaries.md)** (C++, GPL-2.0, mature)
 - **[Shockolate](../shockolate.md)** (C, GPL-3.0, beta)
+- **[Sludge](../sludge.md)** (C, C++, Objective-C, LGPL-2.1, mature)
 - **[Smash Battle](../smash_battle.md)** (C++, ?, beta, inactive since 2011)
 - **[SoftPixel Engine](../softpixel_engine.md)** (C++, zlib, mature, inactive since 2013)
 - **[SolarWolf](../solarwolf.md)** (Python, LGPL-2.1, mature, inactive since 2004)
@ -256,6 +262,7 @@
 - **[XPilot NG](../xpilot_ng.md)** (C, GPL-2.0, mature, inactive since 2010)
 - **[XPilot](../xpilot.md)** (C, GPL-2.0, mature, inactive since 2010)
 - **[Yamagi Quake II](../yamagi_quake_ii.md)** (C, GPL-2.0, mature)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
 - **[Yo Frankie!](../yo_frankie.md)** (Blender Script, ?, mature, inactive since 2009)
 - **[YSoccer](../ysoccer.md)** (Java, GPL-2.0, mature)
 - **[Zaz](../zaz.md)** (C++, GPL-3.0, beta, inactive since 2010)
--- a/entries/tocs/_macos.md
+++ b/entries/tocs/_macos.md
@ -13,6 +13,7 @@
 - **[Bladecoder Adventure Engine](../bladecoder_adventure_engine.md)** (Java, Apache-2.0, mature)
 - **[Blitwizard](../blitwizard.md)** (C, C++, Lua, zlib, beta, inactive since 2015)
 - **[Blobby Volley 2](../blobby_volley_2.md)** (C++, GPL-2.0, mature, inactive since 2017)
+- **[Bombic](../bombic.md)** (C++, Objective-C, GPL-2.0, beta, inactive since 2005)
 - **[Brain Workshop](../brain_workshop.md)** (Python, GPL-2.0, mature, inactive since 2011)
 - **[BZFlag](../bzflag.md)** (C++, LGPL-2.1, MPL-2.0, mature)
 - **[C-Dogs SDL](../c-dogs_sdl.md)** (C, GPL-2.0, mature)
@ -59,6 +60,7 @@
 - **[Freedoom](../freedoom.md)** (Not applicable, Not applicable, beta)
 - **[Frets on Fire](../frets_on_fire.md)** (Python, GPL-2.0, mature, inactive since 2008)
 - **[Frozen Bubble](../frozen_bubble.md)** (Perl, GPL-2.0, mature, inactive since 2012)
+- **[GameCake](../gamecake.md)** (C, C++, Lua, MIT, mature)
 - **[GLtron](../gltron.md)** (C, GPL, beta, inactive since 2017)
 - **[Golly](../golly.md)** (C++, Java, GPL-2.0, mature)
 - **[GPL Arcade Volleyball](../gpl_arcade_volleyball.md)** (C++, GPL-2.0, beta, inactive since 2006)
@ -83,6 +85,7 @@
 - **[Me and My Shadow](../me_and_my_shadow.md)** (C++, GPL-3.0, beta)
 - **[MicroWar 2.0](../microwar_20.md)** (Python, 3-clause BSD, mature, inactive since 2009)
 - **[Minetest](../minetest.md)** (C, C++, Lua, LGPL-2.1, mature)
+- **[mini2Dx](../mini2dx.md)** (Java, C#, Apache-2.0, mature)
 - **[Netrek](../netrek.md)** (C, Custom, mature, inactive since 2009)
 - **[Neverball](../neverball.md)** (C, C++, GPL-2.0, mature)
 - **[NOVA PINBALL](../nova_pinball.md)** (Lua, GPL-3.0, beta, inactive since 2017)
@ -95,7 +98,7 @@
 - **[OpenJazz](../openjazz.md)** (C++, GPL-2.0, beta)
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
 - **[OpenLoco](../openloco.md)** (C++, MIT, mature)
- **[OpenMortal](../openmortal.md)** (C++, GPL-2.0, beta, inactive since 2006)
+- **[OpenMortal](../openmortal.md)** (C++, Perl, GPL-2.0, beta, inactive since 2006)
 - **[openMSX](../openmsx.md)** (C++, GPL-2.0, mature)
 - **[OpenRaider](../openraider.md)** (C, C++, GPL-2.0, beta, inactive since 2015)
 - **[OpenRCT2](../openrct2.md)** (C++, GPL-3.0, mature)
@ -111,6 +114,7 @@
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Privateer - Gemini Gold](../privateer-gemini_gold.md)** (C++, GPL-2.0, mature, inactive since 2012)
+- **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[PyKaraoke](../pykaraoke.md)** (Python, LGPL-2.1, beta, inactive since 2011)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
@ -123,6 +127,7 @@
 - **[Scrabble3D](../scrabble3d.md)** (Pascal, GPL-3.0, mature, inactive since 2015)
 - **[Shockolate](../shockolate.md)** (C, GPL-3.0, beta)
 - **[SLADE](../slade.md)** (C++, GPL-2.0, mature)
+- **[Sludge](../sludge.md)** (C, C++, Objective-C, LGPL-2.1, mature)
 - **[SolarWolf](../solarwolf.md)** (Python, LGPL-2.1, mature, inactive since 2004)
 - **[Sonic Robo Blast 2](../sonic_robo_blast_2.md)** (C, C++, GPL-2.0, mature)
 - **[Stareater](../stareater.md)** (C#, GPL-3.0, beta)
@ -150,6 +155,7 @@
 - **[vkQuake](../vkquake.md)** (C, C++, GPL-2.0, mature)
 - **[X-Moto](../x-moto.md)** (C++, GPL-2.0, mature, inactive since 2014)
 - **[XPilot NG](../xpilot_ng.md)** (C, GPL-2.0, mature, inactive since 2010)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
 - **[Yo Frankie!](../yo_frankie.md)** (Blender Script, ?, mature, inactive since 2009)
 - **[YSoccer](../ysoccer.md)** (Java, GPL-2.0, mature)
 - **[Zaz](../zaz.md)** (C++, GPL-3.0, beta, inactive since 2010)
--- a/entries/tocs/_puzzle.md
+++ b/entries/tocs/_puzzle.md
@ -7,6 +7,7 @@
 - **[4D Maze Game](../4d_maze_game.md)** (Java, Public domain, mature, inactive since 2008)
 - **[4D-TRIS](../4d-tris.md)** (C, GPL-2.0, mature, inactive since 2012)
 - **[54321](../54321.md)** (C++, Custom, mature, inactive since 2001)
+- **[a2x](../a2x.md)** (C, Python, C++, GPL-3.0, beta)
 - **[Anagramarama](../anagramarama.md)** (C, GPL-2.0, beta, inactive since 2002)
 - **[aquastax](../aquastax.md)** (JavaScript, MIT, beta)
 - **[Atomiks](../atomiks.md)** (C, GPL-3.0, mature, inactive since 2015)
@ -39,6 +40,7 @@
 - **[IO Reboot](../io_reboot.md)** (C#, MIT, mature, inactive since 2017)
 - **[KAtomic](../katomic.md)** (C++, GPL-2.0, mature)
 - **[kiki the nano bot](../kiki_the_nano_bot.md)** (C++, Public domain, mature, inactive since 2007)
+- **[Klooni 1010!](../klooni_1010.md)** (Java, GPL-3.0, beta)
 - **[Krystal Drop](../krystal_drop.md)** (C++, GPL-2.0, beta, inactive since 2004)
 - **[l-echo](../l-echo.md)** (C++, GPL-3.0, beta, inactive since 2016)
 - **[Lemmings.ts](../lemmingsts.md)** (TypeScript, MIT, mature)
--- a/entries/tocs/_remake.md
+++ b/entries/tocs/_remake.md
@ -22,8 +22,8 @@
 - **[Battle City](../battle_city.md)** (C, C++, Pascal, GPL-3.0, mature, inactive since 2013)
 - **[BlakedAwesomenaughts](../blakedawesomenaughts.md)** (JavaScript, PHP, MIT, beta, inactive since 2015)
 - **[BlockOut II](../blockout_ii.md)** (C++, GPL-2.0, mature, inactive since 2014)
- **[Bombic2](../bombic2.md)** (C++, GPL-2.0, beta, inactive since 2010)
- **[Bombic](../bombic.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Bombic2](../bombic2.md)** (C++, ?, beta, inactive since 2010)
+- **[Bombic](../bombic.md)** (C++, Objective-C, GPL-2.0, beta, inactive since 2005)
 - **[Bombman](../bombman.md)** (Python, CC0, mature)
 - **[BOOM: Remake](../boom_remake.md)** (C++, Custom, mature)
 - **[Boulder Dash](../boulder_dash.md)** (Java, MIT, mature, inactive since 2015)
@ -216,14 +216,14 @@
 - **[MechCommander 2 Omnitech](../mechcommander_2_omnitech.md)** (C++, Ms-PL, beta, inactive since 2013)
 - **[Mega Mario](../mega_mario.md)** (C++, LGPL-2.1, mature, inactive since 2012)
 - **[Mice Men: Remix](../mice_men_remix.md)** (Java, LGPL-3.0, mature, inactive since 2016)
- **[Microracers](../microracers.md)** (C++, GPL-2.0, beta, inactive since 2005)
+- **[Microracers](../microracers.md)** (C, C++, GPL-2.0, beta, inactive since 2005)
 - **[Minesweeper (in C)](../minesweeper_in_c.md)** (C, 3-clause BSD, beta, inactive since 2015)
 - **[Minesweeper.Zone](../minesweeperzone.md)** (JavaScript, PHP, MIT, mature)
 - **[Minetest](../minetest.md)** (C, C++, Lua, LGPL-2.1, mature)
 - **[Mininim](../mininim.md)** (C, GPL-3.0, beta, inactive since 2017)
 - **[Mirror Magic](../mirror_magic.md)** (C, GPL-2.0, mature)
 - **[mk.js](../mkjs.md)** (JavaScript, MIT, beta)
- **[Mocha Doom](../mocha_doom.md)** (Java, GPL-3.0, beta, inactive since 2012)
+- **[Mocha Doom](../mocha_doom.md)** (Java, ?, beta, inactive since 2012)
 - **[Monsters and Mushrooms](../monsters_and_mushrooms.md)** (Python, GPL-2.0, mature, inactive since 2010)
 - **[Morpheus Web Remake](../morpheus_web_remake.md)** (Javascript, MIT, beta)
 - **[movbizz](../movbizz.md)** (PHP, JavaScript, MIT, beta, inactive since 2015)
@ -233,7 +233,7 @@
 - **[NFSIISE](../nfsiise.md)** (C, MIT, mature)
 - **[Nighthawk](../nighthawk.md)** (C++, GPL-2.0, mature, inactive since 2004)
 - **[NLarn](../nlarn.md)** (C, Lua, GPL-3.0, mature)
- **[NStars!](../nstars.md)** (C#, GPL-2.0, beta, inactive since 2004)
+- **[NStars!](../nstars.md)** (C#, ?, beta, inactive since 2004)
 - **[NullpoMino](../nullpomino.md)** (Java, 3-clause BSD, mature)
 - **[Nuvie](../nuvie.md)** (C, C++, Lua, GPL-2.0, beta, inactive since 2018)
 - **[NXEngine-evo](../nxengine-evo.md)** (C++, GPL-3.0, mature)
@ -330,7 +330,7 @@
 - **[REGoth](../regoth.md)** (C++, GPL-3.0, mature)
 - **[Remixed Dungeon](../remixed_dungeon.md)** (Java, GPL-3.0, mature)
 - **[ReQbert](../reqbert.md)** (JavaScript, GPL-3.0, beta)
- **[Rescue! Max](../rescue_max.md)** (Java, GPL-2.0, beta, inactive since 2013)
+- **[Rescue! Max](../rescue_max.md)** (Java, GPL-3.0, beta, inactive since 2013)
 - **[ResidualVM](../residualvm.md)** (C++, GPL-2.0, beta)
 - **[Return of Dr. Destructo](../return_of_dr_destructo.md)** (C++, MIT, mature, inactive since 2015)
 - **[Return to the Roots](../return_to_the_roots.md)** (C++, GPL-3.0, mature)
@ -367,7 +367,7 @@
 - **[snake](../snake.md)** (Java, WTFPL, mature, inactive since 2017)
 - **[Solarus](../solarus.md)** (C, C++, Lua, GPL-3.0, mature)
 - **[SolarWolf](../solarwolf.md)** (Python, LGPL-2.1, mature, inactive since 2004)
- **[Sopwith 3](../sopwith_3.md)** (C++, GPL-2.0, beta, inactive since 2003)
+- **[Sopwith 3](../sopwith_3.md)** (C, C++, Objective-C, GPL-2.0, beta, inactive since 2003)
 - **[Sourcehold](../sourcehold.md)** (C++, MIT, beta)
 - **[splexhd](../splexhd.md)** (C++, GPL-2.0, beta, inactive since 2012)
 - **[Spring](../spring.md)** (C++, C, Lua, GPL-2.0, mature)
--- a/entries/tocs/_role-playing.md
+++ b/entries/tocs/_role-playing.md
@ -66,6 +66,7 @@
 - **[Haxima](../haxima.md)** (C++, GPL-3.0, beta)
 - **[Hero of Allacrost](../hero_of_allacrost.md)** (C++, Lua, GPL-2.0, mature)
 - **[HexGL](../hexgl.md)** (JavaScript, CoffeeScript, MIT, mature, inactive since 2016)
+- **[heXon](../hexon.md)** (C++, GPL-2.0, beta)
 - **[HolySpirit](../holyspirit.md)** (C++, GPL-3.0, beta, inactive since 2013)
 - **[HyperRogue](../hyperrogue.md)** (C++, GPL-2.0, mature)
 - **[ika](../ika.md)** (C++, Python, PHP, C#, GPL-2.0, beta, inactive since 2007)
@ -118,7 +119,7 @@
 - **[Ryzom Core](../ryzom_core.md)** (C++, AGPL-3.0, mature)
 - **[S.C.O.U.R.G.E.](../scourge.md)** (C++, GPL-2.0, beta, inactive since 2008)
 - **[SilverTree](../silvertree.md)** (C++, GPL-3.0, beta, inactive since 2007)
- **[SLASH'EM](../slashem.md)** (C, Custom, beta, inactive since 2007)
+- **[SLASH'EM](../slashem.md)** (C, R, C++, Custom, beta, inactive since 2007)
 - **[Source of Tales](../source_of_tales.md)** (Lua, GPL-3.0, mature, inactive since 2013)
 - **[Space Station 13](../space_station_13.md)** (DM, AGPL-3.0, mature)
 - **[Spice Trade](../spice_trade.md)** (Java, LGPL-2.0, mature, inactive since 2005)
--- a/entries/tocs/_simulation.md
+++ b/entries/tocs/_simulation.md
@ -61,7 +61,7 @@
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[Rigs of Rods](../rigs_of_rods.md)** (C, C++, AngelScript, GPL-3.0, mature)
 - **[Simutrans](../simutrans.md)** (C++, Artistic License, mature)
- **[Sopwith 3](../sopwith_3.md)** (C++, GPL-2.0, beta, inactive since 2003)
+- **[Sopwith 3](../sopwith_3.md)** (C, C++, Objective-C, GPL-2.0, beta, inactive since 2003)
 - **[Stunt Car Racer Remake](../stunt_car_racer_remake.md)** (C++, BSD, beta, inactive since 2012)
 - **[SunDog Resurrection](../sundog_resurrection.md)** (Java, Python, ?, beta)
 - **[sundog](../sundog.md)** (C, C++, Python, MIT, beta)
--- a/entries/tocs/_strategy.md
+++ b/entries/tocs/_strategy.md
@ -68,7 +68,7 @@
 - **[fonline](../fonline.md)** (C, C++, GPL-3.0, beta)
 - **[Free Heroes 2](../free_heroes_2.md)** (C++, GPL-2.0, beta, inactive since 2015)
 - **[Free Mars](../free_mars.md)** (Java, GPL-3.0, mature)
- **[Free Space Colonization](../free_space_colonization.md)** (C, GPL-2.0, beta)
+- **[Free Space Colonization](../free_space_colonization.md)** (C, GPL-2.0, beta, inactive since 2017)
 - **[freeaoe](../freeaoe.md)** (C++, GPL-3.0, beta)
 - **[Freeciv Alpha Centauri project](../freeciv_alpha_centauri_project.md)** (C, GPL-2.0, beta, inactive since 2003)
 - **[Freeciv-web](../freeciv-web.md)** (JavaScript, Java, Python, AGPL-3.0, mature)
@ -115,7 +115,7 @@
 - **[Metal Mech](../metal_mech.md)** (PHP, GPL-2.0, beta, inactive since 2006)
 - **[Mpango](../mpango.md)** (Java, GPL-2.0, beta, inactive since 2013)
 - **[NetPanzer](../netpanzer.md)** (C++, GPL-2.0, beta)
- **[NStars!](../nstars.md)** (C#, GPL-2.0, beta, inactive since 2004)
+- **[NStars!](../nstars.md)** (C#, ?, beta, inactive since 2004)
 - **[Open Apocalypse](../open_apocalypse.md)** (C++, MIT, mature)
 - **[Open Imperium Galactica](../open_imperium_galactica.md)** (Java, LGPL-3.0, mature)
 - **[Open Panzer](../open_panzer.md)** (JavaScript, GPL-2.0, mature)
@ -151,7 +151,7 @@
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[Rails: an 18xx game system](../rails_an_18xx_game_system.md)** (Java, GPL-2.0, mature)
- **[Rescue! Max](../rescue_max.md)** (Java, GPL-2.0, beta, inactive since 2013)
+- **[Rescue! Max](../rescue_max.md)** (Java, GPL-3.0, beta, inactive since 2013)
 - **[Return to the Roots](../return_to_the_roots.md)** (C++, GPL-3.0, mature)
 - **[Scorched Moon](../scorched_moon.md)** (Python, GPL-3.0, beta)
 - **[Scrabble3D](../scrabble3d.md)** (Pascal, GPL-3.0, mature, inactive since 2015)
--- a/entries/tocs/_tool.md
+++ b/entries/tocs/_tool.md
@ -5,9 +5,11 @@
 - **[AutoREALM](../autorealm.md)** (C++, GPL-3.0, mature)
 - **[Bt Builder](../bt_builder.md)** (C, C++, GPL-3.0, beta)
 - **[D-Fend Reloaded](../d-fend_reloaded.md)** (Pascal, GPL-3.0, mature, inactive since 2015)
+- **[Dedalus](../dedalus.md)** (JavaScript, GPL-2.0, beta, inactive since 2018)
 - **[Deity](../deity.md)** (Python, GPL-2.0, mature, inactive since 2014)
 - **[Doxygen](../doxygen.md)** (C++, GPL-2.0, mature)
 - **[Dungeon Mapper](../dungeon_mapper.md)** (C++, GPL-3.0, beta, inactive since 2013)
+- **[Fantasy Map Generator](../fantasy_map_generator.md)** (JavaScript, MIT, mature)
 - **[GM Tools](../gm_tools.md)** (C++, GPL-2.0, beta, inactive since 2004)
 - **[GoRogue](../gorogue.md)** (C#, MIT, mature)
 - **[JaNaG - Java Name Generator](../janag-java_name_generator.md)** (Java, GPL-3.0, mature, inactive since 2016)
@ -21,5 +23,7 @@
 - **[Rolisteam](../rolisteam.md)** (C++, JavaScript, GPL-2.0, mature)
 - **[RPDungeon - computer aided role playing](../rpdungeon-computer_aided_role_playing.md)** (Pascal, GPL-2.0, beta, inactive since 2006)
 - **[SLADE](../slade.md)** (C++, GPL-2.0, mature)
+- **[Squiffy](../squiffy.md)** (JavaScript, MIT, mature)
+- **[Twine](../twine.md)** (JavaScript, GPL-3.0, mature)
 - **[VGC](../vgc.md)** (C++, Apache-2.0, beta)
 - **[World Builder](../world_builder.md)** (Visual Basic, GPL-2.0, mature, inactive since 2007)
--- a/entries/tocs/_web.md
+++ b/entries/tocs/_web.md
@ -13,10 +13,13 @@
 - **[Candy Box 2](../candy_box_2.md)** (TypeScript, JavaScript, GPL-3.0, mature, inactive since 2013)
 - **[cc94](../cc94.md)** (C++, Python, AGPL-3.0, beta)
 - **[Clumsy Bird](../clumsy_bird.md)** (JavaScript, MIT, mature, inactive since 2017)
+- **[Dedalus](../dedalus.md)** (JavaScript, GPL-2.0, beta, inactive since 2018)
 - **[Devana](../devana.md)** (PHP, zlib, beta)
 - **[Esenthel Engine](../esenthel_engine.md)** (C, C++, Custom, beta)
 - **[Executive Man](../executive_man.md)** (JavaScript, Custom, mature, inactive since 2017)
 - **[F.LF](../flf.md)** (JavaScript, ?, mature)
+- **[Fantasy Map Generator](../fantasy_map_generator.md)** (JavaScript, MIT, mature)
+- **[gist-txt](../gist-txt.md)** (JavaScript, MIT, mature, inactive since 2018)
 - **[Grimsonland](../grimsonland.md)** (JavaScript, ?, mature, inactive since 2017)
 - **[HexGL](../hexgl.md)** (JavaScript, CoffeeScript, MIT, mature, inactive since 2016)
 - **[HTML5 Pacman](../html5_pacman.md)** (JavaScript, WTFPL, mature, inactive since 2013)
@ -45,9 +48,11 @@
 - **[shadow-of-the-beast-html5](../shadow-of-the-beast-html5.md)** (JavaScript, Apache-2.0, beta, inactive since 2017)
 - **[Skifree-HTML5-clone](../skifree-html5-clone.md)** (JavaScript, GPL-3.0, beta, inactive since 2011)
 - **[skifree.js](../skifreejs.md)** (JavaScript, MIT, mature, inactive since 2016)
+- **[Squiffy](../squiffy.md)** (JavaScript, MIT, mature)
 - **[Survivor](../survivor.md)** (JavaScript, CC-BY-NC-3.0, mature)
 - **[Taggem](../taggem.md)** (JavaScript, AGPL-3.0, beta, inactive since 2014)
 - **[Taisei Project](../taisei_project.md)** (C, Python, MIT, mature)
+- **[Twine](../twine.md)** (JavaScript, GPL-3.0, mature)
 - **[Undum](../undum.md)** (JavaScript, MIT, mature, inactive since 2018)
 - **[WebChess](../webchess.md)** (PHP, GPL-3.0, mature, inactive since 2010)
 - **[WebFun](../webfun.md)** (TypeScript, MIT, beta)
--- a/entries/tocs/_windows.md
+++ b/entries/tocs/_windows.md
@ -3,6 +3,7 @@

 - **[0 A.D.](../0_ad.md)** (C, C++, GPL-2.0, beta)
 - **[1oom](../1oom.md)** (C, GPL-2.0, mature)
+- **[a2x](../a2x.md)** (C, Python, C++, GPL-3.0, beta)
 - **[Abe's Amazing Adventure](../abes_amazing_adventure.md)** (C, GPL-2.0, mature, inactive since 2005)
 - **[Airstrike](../airstrike.md)** (C, GPL-2.0, beta, inactive since 2014)
 - **[Aleph One](../aleph_one.md)** (C++, Lua, GPL-3.0, mature, inactive since 2015)
@ -55,6 +56,7 @@
 - **[Destination Sol](../destination_sol.md)** (Java, Apache-2.0, mature)
 - **[dhewm3](../dhewm3.md)** (C, C++, GPL-3.0, mature)
 - **[Digital: A Love Story](../digital_a_love_story.md)** (Ren'py, CC-BY-NC-SA, mature)
+- **[DirectX12GameEngine](../directx12gameengine.md)** (C#, MIT, beta)
 - **[Do It Yourself Doom With SDL](../do_it_yourself_doom_with_sdl.md)** (C++, MIT, beta)
 - **[Domination](../domination.md)** (Java, GPL-3.0, mature)
 - **[Doom Legacy](../doom_legacy.md)** (C++, GPL-2.0, mature)
@ -89,6 +91,7 @@
 - **[Freedoom](../freedoom.md)** (Not applicable, Not applicable, beta)
 - **[FreeSims](../freesims.md)** (C#, MPL-2.0, beta)
 - **[Frets on Fire](../frets_on_fire.md)** (Python, GPL-2.0, mature, inactive since 2008)
+- **[GameCake](../gamecake.md)** (C, C++, Lua, MIT, mature)
 - **[Gang Garrison 2](../gang_garrison_2.md)** (Game Maker Script, MPL, mature)
 - **[GeonBit.UI](../geonbitui.md)** (C#, MIT, mature)
 - **[GLtron](../gltron.md)** (C, GPL, beta, inactive since 2017)
@ -138,6 +141,7 @@
 - **[Mega Mario](../mega_mario.md)** (C++, LGPL-2.1, mature, inactive since 2012)
 - **[MicroWar 2.0](../microwar_20.md)** (Python, 3-clause BSD, mature, inactive since 2009)
 - **[Minetest](../minetest.md)** (C, C++, Lua, LGPL-2.1, mature)
+- **[mini2Dx](../mini2dx.md)** (Java, C#, Apache-2.0, mature)
 - **[Mininim](../mininim.md)** (C, GPL-3.0, beta, inactive since 2017)
 - **[Morpheus Web Remake](../morpheus_web_remake.md)** (Javascript, MIT, beta)
 - **[Murder In The Public Domain](../murder_in_the_public_domain.md)** (C++, GPL-3.0, mature, inactive since 2013)
@ -148,7 +152,7 @@
 - **[NFSIISE](../nfsiise.md)** (C, MIT, mature)
 - **[Noiz2sa](../noiz2sa.md)** (C, C++, 2-clause BSD, beta, inactive since 2004)
 - **[NOVA PINBALL](../nova_pinball.md)** (Lua, GPL-3.0, beta, inactive since 2017)
- **[NStars!](../nstars.md)** (C#, GPL-2.0, beta, inactive since 2004)
+- **[NStars!](../nstars.md)** (C#, ?, beta, inactive since 2004)
 - **[NullpoMino](../nullpomino.md)** (Java, 3-clause BSD, mature)
 - **[nXtank](../nxtank.md)** (Python, GPL-3.0, beta, inactive since 2010)
 - **[Oolite](../oolite.md)** (Objective-C, C, JavaScript, GPL-2.0, mature)
@ -171,7 +175,7 @@
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
 - **[OpenLieroX](../openlierox.md)** (C++, LGPL-2.0, mature)
 - **[OpenLoco](../openloco.md)** (C++, MIT, mature)
- **[OpenMortal](../openmortal.md)** (C++, GPL-2.0, beta, inactive since 2006)
+- **[OpenMortal](../openmortal.md)** (C++, Perl, GPL-2.0, beta, inactive since 2006)
 - **[openMSX](../openmsx.md)** (C++, GPL-2.0, mature)
 - **[OpenOMF](../openomf.md)** (C, C++, MIT, beta)
 - **[OpenRCT2](../openrct2.md)** (C++, GPL-3.0, mature)
@ -195,6 +199,7 @@
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
 - **[Privateer - Gemini Gold](../privateer-gemini_gold.md)** (C++, GPL-2.0, mature, inactive since 2012)
 - **[Procedural Map Generator](../procedural_map_generator.md)** (C++, MIT, mature, inactive since 2018)
+- **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[PyKaraoke](../pykaraoke.md)** (Python, LGPL-2.1, beta, inactive since 2011)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
@ -215,6 +220,7 @@
 - **[Seven Kingdoms: Ancient Adversaries](../seven_kingdoms_ancient_adversaries.md)** (C++, GPL-2.0, mature)
 - **[Shockolate](../shockolate.md)** (C, GPL-3.0, beta)
 - **[SLADE](../slade.md)** (C++, GPL-2.0, mature)
+- **[Sludge](../sludge.md)** (C, C++, Objective-C, LGPL-2.1, mature)
 - **[Smash Battle](../smash_battle.md)** (C++, ?, beta, inactive since 2011)
 - **[SoftPixel Engine](../softpixel_engine.md)** (C++, zlib, mature, inactive since 2013)
 - **[SolarWolf](../solarwolf.md)** (Python, LGPL-2.1, mature, inactive since 2004)
@ -277,6 +283,7 @@
 - **[XPilot NG](../xpilot_ng.md)** (C, GPL-2.0, mature, inactive since 2010)
 - **[XPilot](../xpilot.md)** (C, GPL-2.0, mature, inactive since 2010)
 - **[Yamagi Quake II](../yamagi_quake_ii.md)** (C, GPL-2.0, mature)
+- **[Yet Another Engine](../yet_another_engine.md)** (MoonScript, Java, Lua, MIT, beta, inactive since 2016)
 - **[Yo Frankie!](../yo_frankie.md)** (Blender Script, ?, mature, inactive since 2009)
 - **[YSoccer](../ysoccer.md)** (Java, GPL-2.0, mature)
 - **[Zaz](../zaz.md)** (C++, GPL-3.0, beta, inactive since 2010)
--- a/entries/twine.md
+++ b/entries/twine.md
@ -0,0 +1,14 @@
+# Twine
+
+_Tool for telling interactive, nonlinear stories._
+
+- Home: http://twinery.org/
+- State: mature
+- Platform: Web
+- Keywords: tool, game engine, interactive fiction, text-based
+- Code repository: https://github.com/klembot/twinejs.git
+- Code language: JavaScript
+- Code license: GPL-3.0
+
+## Building
+
--- a/entries/undum.md
+++ b/entries/undum.md
@ -2,7 +2,7 @@

 _Client-side framework for narrative hypertext interactive fiction._

- Home: http://idmillington.github.io/undum/
+- Home: http://idmillington.github.io/undum/, https://web.archive.org/web/20161202210632/http://undum.com/
 - State: mature, inactive since 2018
 - Platform: Web
 - Keywords: framework, interactive fiction, text based
--- a/entries/yet_another_engine.md
+++ b/entries/yet_another_engine.md
@ -0,0 +1,15 @@
+# Yet Another Engine
+
+_Game engine_
+
+- Home: https://web.archive.org/web/20160315200651/https://yae.io/, https://github.com/deathbeam/yae/wiki
+- State: beta, inactive since 2016
+- Platform: Windows, Linux, macOS, Android, iOS
+- Keywords: game engine
+- Code repository: https://github.com/deathbeam/yae.git
+- Code language: MoonScript, Java, Lua
+- Code license: MIT
+- Code dependencies: libGDX
+
+## Building
+
--- a/statistics.md
+++ b/statistics.md
--- a/tools/archives.json
+++ b/tools/archives.json
@ -93,16 +93,19 @@
  "https://github.com/Aleph-One-Marathon/alephone.git",
  "https://github.com/AlisterT/openjazz.git",
  "https://github.com/AllureOfTheStars/Allure.git",
+  "https://github.com/Aminator/DirectX12GameEngine.git",
  "https://github.com/AmrikSadhra/OpenNFS.git",
  "https://github.com/Ancurio/mkxp.git",
  "https://github.com/AndO3131/lgeneral.git",
  "https://github.com/Andrettin/Wyrmgus.git",
+  "https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion.git",
  "https://github.com/Arantis/Meridian59_112.git",
  "https://github.com/Argentum-Online/Argentum-Online.git",
  "https://github.com/ArmageddonGames/ZeldaClassic.git",
  "https://github.com/ArmagetronAd/armagetronad.git",
  "https://github.com/Atlantis-PBEM/Atlantis.git",
  "https://github.com/Attnam/ivan.git",
+  "https://github.com/Azgaar/Fantasy-Map-Generator.git",
  "https://github.com/BGCX067/fallenspire-svn-to-git.git",
  "https://github.com/BKcore/HexGL.git",
  "https://github.com/BZFlag-Dev/bzflag.git",
@ -195,6 +198,7 @@
  "https://github.com/Librelancer/Librelancer.git",
  "https://github.com/LionsPhil/mewl.git",
  "https://github.com/Lisergishnu/TetraVex.git",
+  "https://github.com/LonamiWebs/Klooni1010.git",
  "https://github.com/LongSteve/aquastax.git",
  "https://github.com/Luomu/starshatter-open.git",
  "https://github.com/Lyndir/Gorillas.git",
@ -330,6 +334,7 @@
  "https://github.com/alexdantas/www.git",
  "https://github.com/alexknvl/fonline.git",
  "https://github.com/alphaonex86/CatchChallenger.git",
+  "https://github.com/alxm/a2x.git",
  "https://github.com/amerkoleci/alimer.git",
  "https://github.com/amerkoleci/vortice.git",
  "https://github.com/amroibrahim/DIYDoom.git",
@ -411,6 +416,7 @@
  "https://github.com/davidjoffe/dave_gnukem.git",
  "https://github.com/dbartolini/crown.git",
  "https://github.com/deathbeam/spooker.git",
+  "https://github.com/deathbeam/yae.git",
  "https://github.com/deathkiller/jazz2.git",
  "https://github.com/delight-im/OpenSoccer.git",
  "https://github.com/demonixis/C3DE.git",
@ -442,6 +448,7 @@
  "https://github.com/enigma-dev/enigma-dev.git",
  "https://github.com/enriquesomolinos/DreeRally.git",
  "https://github.com/eprikazchikov/thunder.git",
+  "https://github.com/erincatto/Box2D.git",
  "https://github.com/estevaofon/angry-birds-python.git",
  "https://github.com/etlegacy/etlegacy.git",
  "https://github.com/etternagame/etterna.git",
@ -498,6 +505,7 @@
  "https://github.com/hhirsch/ardentryst.git",
  "https://github.com/highfestiva/life.git",
  "https://github.com/hinogi/eternalwinterwars.git",
+  "https://github.com/hypatia-software-org/hypatia-engine.git",
  "https://github.com/iamCode/Dawn.git",
  "https://github.com/iamgreaser/iceball.git",
  "https://github.com/id-Software/DOOM-iOS.git",
@ -545,6 +553,7 @@
  "https://github.com/kazzmir/paintown.git",
  "https://github.com/kblaschke/Iris2.git",
  "https://github.com/keendreams/keen.git",
+  "https://github.com/klembot/twinejs.git",
  "https://github.com/kthakore/frozen-bubble.git",
  "https://github.com/laanwj/sundog.git",
  "https://github.com/landoffire/lof-tmwa-client-data.git",
@ -583,6 +592,7 @@
  "https://github.com/mgfreshour/hexwar.git",
  "https://github.com/miki151/keeperrl.git",
  "https://github.com/minetest/minetest.git",
+  "https://github.com/mini2Dx/mini2Dx.git",
  "https://github.com/mitallast/diablo-js.git",
  "https://github.com/mkalus/janag.git",
  "https://github.com/mmatyas/openblok.git",
@ -617,6 +627,7 @@
  "https://github.com/openfl/openfl.git",
  "https://github.com/openitg/openitg.git",
  "https://github.com/openlegend/core-rules.git",
+  "https://github.com/opensludge/opensludge.git",
  "https://github.com/openssl/openssl.git",
  "https://github.com/opentibia/server.git",
  "https://github.com/opentibia/yatc.git",
@ -639,11 +650,13 @@
  "https://github.com/phobos2077/sfall.git",
  "https://github.com/pierreyoda/o2r.git",
  "https://github.com/pioneerspacesim/pioneer.git",
+  "https://github.com/pistacchio/Dedalus.git",
  "https://github.com/pjasicek/OpenClaw.git",
  "https://github.com/pjotrligthart/openmoo2-hg-mirror.git",
  "https://github.com/plainsightcollection/plainsightcollection.github.io.git",
  "https://github.com/platzhersh/pacman-canvas.git",
  "https://github.com/pokerth/pokerth.git",
+  "https://github.com/potomak/gist-txt.git",
  "https://github.com/prophile/xsera.git",
  "https://github.com/protoman/rockbot.git",
  "https://github.com/ptitSeb/friking-shark.git",
@ -698,6 +711,7 @@
  "https://github.com/sirjuddington/SLADE.git",
  "https://github.com/skoolkid/pyskool.git",
  "https://github.com/skyjake/Doomsday-Engine.git",
+  "https://github.com/skyostil/fretsonfire.git",
  "https://github.com/slx7R4GDZM/Sine.git",
  "https://github.com/smcameron/space-nerds-in-space.git",
  "https://github.com/snauts/game-lv.git",
@ -738,6 +752,7 @@
  "https://github.com/team-eternity/eternity.git",
  "https://github.com/tehKaiN/openFire.git",
  "https://github.com/teruk/movbizz.git",
+  "https://github.com/textadventures/squiffy.git",
  "https://github.com/textbrowser/maxit.git",
  "https://github.com/the-butterfly-effect/tbe.git",
  "https://github.com/the3dfxdude/7kaa.git",
@ -788,6 +803,7 @@
  "https://github.com/xLAva/JediOutcastLinux.git",
  "https://github.com/xesf/twin-e.git",
  "https://github.com/xoreos/xoreos.git",
+  "https://github.com/xriss/gamecake.git",
  "https://github.com/xythobuz/OpenRaider.git",
  "https://github.com/yairm210/UnCiv.git",
  "https://github.com/yeKcim/warmux.git",
@ -810,8 +826,10 @@
  "https://gitlab.com/hydren/terrarium.git",
  "https://gitlab.com/larienna/cppgame_wizardry.git",
  "https://gitlab.com/librebob/athenaeum.git",
+  "https://gitlab.com/luckeyproductions/heXon.git",
  "https://gitlab.com/manaplus/manaplus.git",
  "https://gitlab.com/osgames/aatraders.git",
+  "https://gitlab.com/osgames/ajax3d.git",
  "https://gitlab.com/osgames/antichess.git",
  "https://gitlab.com/osgames/aplanetsrevenge.git",
  "https://gitlab.com/osgames/armies.git",
@ -827,6 +845,7 @@
  "https://gitlab.com/osgames/blockout.git",
  "https://gitlab.com/osgames/bmtactics.git",
  "https://gitlab.com/osgames/bombermaaan.git",
+  "https://gitlab.com/osgames/bombic.git",
  "https://gitlab.com/osgames/boson.git",
  "https://gitlab.com/osgames/brain-workshop.git",
  "https://gitlab.com/osgames/brutalchess.git",
@ -858,7 +877,10 @@
  "https://gitlab.com/osgames/eos-game.git",
  "https://gitlab.com/osgames/epicheroes.git",
  "https://gitlab.com/osgames/firststrike.git",
+  "https://gitlab.com/osgames/freecivac.git",
  "https://gitlab.com/osgames/freetrain.git",
+  "https://gitlab.com/osgames/froggix.git",
+  "https://gitlab.com/osgames/fsc.git",
  "https://gitlab.com/osgames/fujo.git",
  "https://gitlab.com/osgames/galaxyng.git",
  "https://gitlab.com/osgames/gav.git",
@ -869,11 +891,13 @@
  "https://gitlab.com/osgames/gwiz.git",
  "https://gitlab.com/osgames/h-world.git",
  "https://gitlab.com/osgames/hodoku.git",
+  "https://gitlab.com/osgames/hota.git",
  "https://gitlab.com/osgames/howc.git",
  "https://gitlab.com/osgames/jewelhunt.git",
  "https://gitlab.com/osgames/jquest.git",
  "https://gitlab.com/osgames/kiki.git",
  "https://gitlab.com/osgames/koboldsquest2.git",
+  "https://gitlab.com/osgames/krystaldrop.git",
  "https://gitlab.com/osgames/kursk.git",
  "https://gitlab.com/osgames/lechemindeladam.git",
  "https://gitlab.com/osgames/lincity.git",
@ -885,19 +909,23 @@
  "https://gitlab.com/osgames/mars.git",
  "https://gitlab.com/osgames/mercenarycommander.git",
  "https://gitlab.com/osgames/metalmech.git",
+  "https://gitlab.com/osgames/microracers.git",
  "https://gitlab.com/osgames/microwar.git",
  "https://gitlab.com/osgames/monstrosity.git",
  "https://gitlab.com/osgames/murderpd.git",
+  "https://gitlab.com/osgames/night-hawk.git",
  "https://gitlab.com/osgames/nxtank.git",
  "https://gitlab.com/osgames/oge.git",
  "https://gitlab.com/osgames/openblox.git",
  "https://gitlab.com/osgames/opencity.git",
+  "https://gitlab.com/osgames/openmortal.git",
  "https://gitlab.com/osgames/openrpg.git",
  "https://gitlab.com/osgames/openrpgmaker.git",
  "https://gitlab.com/osgames/openyahtzee.git",
  "https://gitlab.com/osgames/orient.git",
  "https://gitlab.com/osgames/pangzero.git",
  "https://gitlab.com/osgames/parpg-core.git",
+  "https://gitlab.com/osgames/pathological.git",
  "https://gitlab.com/osgames/phantasy.git",
  "https://gitlab.com/osgames/phaosrpg.git",
  "https://gitlab.com/osgames/pizza-business.git",
@ -905,6 +933,7 @@
  "https://gitlab.com/osgames/pykaraoke.git",
  "https://gitlab.com/osgames/pymapper.git",
  "https://gitlab.com/osgames/radakan.git",
+  "https://gitlab.com/osgames/rescue.git",
  "https://gitlab.com/osgames/rogueclone.git",
  "https://gitlab.com/osgames/rpdungeon.git",
  "https://gitlab.com/osgames/rpge.git",
@ -919,6 +948,7 @@
  "https://gitlab.com/osgames/slaygame.git",
  "https://gitlab.com/osgames/snowstorm.git",
  "https://gitlab.com/osgames/softpixelengine.git",
+  "https://gitlab.com/osgames/sopwith3.git",
  "https://gitlab.com/osgames/spaceopera.git",
  "https://gitlab.com/osgames/spicetrade.git",
  "https://gitlab.com/osgames/starblastrix.git",
@ -964,17 +994,15 @@
  "http://svn.uktrainsim.com/svn/openrails/trunk",
  "https://svn.code.sf.net/p/balder/code/",
  "https://svn.code.sf.net/p/blobby/code/",
-  "https://svn.code.sf.net/p/bombic/code/",
  "https://svn.code.sf.net/p/bombic2/code/",
  "https://svn.code.sf.net/p/crossfire/code/",
  "https://svn.code.sf.net/p/daimonin/code/",
  "https://svn.code.sf.net/p/domination/code/",
+  "https://svn.code.sf.net/p/dopewars/code/",
  "https://svn.code.sf.net/p/ettu/code/",
  "https://svn.code.sf.net/p/etw/code/",
  "https://svn.code.sf.net/p/freemars/code/",
  "https://svn.code.sf.net/p/freesynd/code/",
-  "https://svn.code.sf.net/p/froggix/code/",
-  "https://svn.code.sf.net/p/fsc/code/",
  "https://svn.code.sf.net/p/galaxyv2/code/",
  "https://svn.code.sf.net/p/hhexen/code/",
  "https://svn.code.sf.net/p/lgames/code/",
--- a/tools/backlog.txt
+++ b/tools/backlog.txt
@ -1,29 +1,11 @@
-dark city (https://github.com/darken33) maybe he wants to import from sourceforge, ansonsten svn import to github
-endgame singularity recursive clone (bei anderen auch)
-fosslinux.com
-holyspirit/lechemindeladam cvs conversion?
-http://3dradboards.org/
 http://antongerdelan.net/blog/ (other projects besides TestDrive)
-http://apricot-js.tumblr.com/
-http://atomicgameengine.com/features/
-http://box2d.org/
-http://cake.4lfa.com/gamecake
 http://circularstudios.com/
-http://cocos2d-x.org/
-http://corengine.sourceforge.net/
-http://cosp.sourceforge.net/
 http://cyxdown.free.fr/bs/
 http://cyxdown.free.fr/f2b/
 http://dead-code.org/home/
 http://directpython.sourceforge.net/
-http://dragengine.rptd.ch/
-http://duality.adamslair.net/
-http://enigma-dev.org/about.htm
 http://evolonline.org/about
-http://forums.scummvm.org/viewtopic.php?t=13512&highlight=open+source
-http://freerct.blogspot.de/
 http://game-editor.com/Main_Page
-http://getmoai.com/
 http://giderosmobile.com/
 http://gna.org/projects/tactics
 http://haxepunk.com/
@ -41,13 +23,10 @@ http://icculus.org/pyddr/
 http://icculus.org/tennix/
 http://icculus.org/toby/
 http://ika.sourceforge.net/
-http://instead.syscall.ru/index.html
-http://jcrpg.blogspot.de/
 http://kursk.sourceforge.net/newfiles/Projects.htm
 http://lazerbears.wixsite.com/lazerbears/cr-editor
 http://libagar.org/agar/index.html.en
 http://libsdl-android.sourceforge.net/
-http://lipsofsuna.org/
 http://lukaszjakowski.pl/ (games apart from uMario)
 http://m484games.ucoz.com/
 http://martindrapeau.github.io/backbone-game-engine/
@ -59,20 +38,11 @@ http://phaser.io/
 http://playir.com/
 http://plib.sourceforge.net/
 http://psyco.sourceforge.net/
-http://pygame.org/project-Dododu-1134-.html
-http://pygame.org/project-Lands+of+Elderlore-294-.html
-http://pygame.org/project-LOF-2296-.html
-http://pygame.org/project-Mines+of+Elderlore-674-.html
-http://pygame.org/project-Monstrosity-2993-.html
-http://pygame.org/project-Phantasy+Star+Rebirth-1704-.html
-http://pygame.org/project-Ransack-2408-.html
-http://pygame.org/project-The+Cabbages-2077-.html
+http://pyglet.org/
 http://pyopengl.sourceforge.net/
 http://rcbasic.com/
 http://retrospec.sgn.net
-http://s1.zetaboards.com/Imperilist/index/
 http://sam.zoy.org/monsterz/
-http://scorched-moon.github.io/site/
 http://senseis.xmp.net/?GoPlayingPrograms
 http://sio2interactive.com/
 http://slick.ninjacave.com/
@ -80,40 +50,33 @@ http://snowstorm.sourceforge.net/cgi-bin/site.cgi
 http://sol.gfxile.net/ambrose3d/index.html
 http://storygamecreator.webs.com/
 http://stratagus.sourceforge.net/
-http://studentarbeten.chalmers.se/publication/219006-bloxel-developing-a-voxel-game-engine-in-java-using-opengl
 http://sumwars.org/wiki/Main_Page
 http://svn.assembla.com/svn/gdpl/
-http://triplea.sourceforge.net/mywiki
 http://turbu-rpg.com/
-http://twinery.org/
-http://verge-rpg.com/
 http://wiki.scummvm.org/index.php/HOWTO-Fangames
+http://ww12.atomicgameengine.com
 http://www.13thmonkey.org/~boris/jgame/
 http://www.abandonia.com/en/games/138/Hidden+Agenda.html
 http://www.abandonia.com/en/games/25660/Crisis+in+the+Kremlin.html
-http://www.adventuregamestudio.co.uk/
-http://www.alpacaengine.com/
 http://www.andengine.org/
 http://www.astrolog.org/labyrnth/daedalus.htm
-http://www.bennugd.org/node/4
 http://www.byond.com/
 http://www.cafu.de/
 http://www.celephais.net/fitzquake/
 http://www.codeskulptor.org/
-http://www.compilgames.net/main.html
 http://www.computerchess.org.uk/ccrl/4040/rating_list_all.html
 http://www.crystalspace3d.org/main/Main_Page
 http://www.divgo.net/
 http://www.dosbox.com/download.php?main=1
 http://www.drpetter.se/project_sfxr.html
 http://www.dungeoncrawl.org/?d.l
-http://www.engine001.com/
 http://www.freemmorpgmaker.com/
 http://www.gameplay3d.io/
 http://www.garagegames.com/products/torque-3d
 http://www.gnu.org/
 http://www.hard-light.net/
 http://www.ibiblio.org/pub/Linux/games/strategy/ (and all others)
+http://www.ifwiki.org/index.php/Main_Page
 http://www.indiedb.com/engines/aqua
 http://www.indiedb.com/engines/bloxel/downloads
 http://www.indiedb.com/engines/dragonsource
@ -129,18 +92,12 @@ http://www.kiwijs.org/
 http://www.klinksoftware.com/
 http://www.layabox.com/en/
 http://www.linuxdevcenter.com/pub/a/linux/2003/04/24/exult.html
-http://www.megamek.info/
 http://www.mekwars.org/
-http://www.moddb.com/engines/pyrogenesis
-http://www.moddb.com/engines/sage-strategy-action-game-engine
-http://www.musztardasarepska.pl/wgdown/
 http://www.myandroidonline.com/category/games/
-http://www.ness-engine.com/
 http://www.netgore.com/
-http://www.newbreedsoftware.com/s
+http://www.newbreedsoftware.com/ (all)
 http://www.ph2.net/zugspiel/
 http://www.plasmapong.com/plasma-pong/plasma-pong/
-http://www.qiciengine.com/
 http://www.rpgtoolkit.net/
 http://www.rtsoft.com/novashell/
 http://www.sandboxgamemaker.com/
@ -148,37 +105,36 @@ http://www.scirra.com/construct-classic
 http://www.siedler25.org/index.php?com=dynamic&mod=1&lang=en&PHPSESSID=0hmj4aug1fqa80jbk15kcafh71
 http://www.silversecond.com/WolfRPGEditor/
 http://www.spheredev.org/
-http://www.tvgigant.de/en/index
 http://www.usgo.org/go-software
 http://www.vbgore.com/Main_Page
-http://www.wurfelengine.net/
 http://www.zeldaroth.fr/us/zroth.php
 http://www.zsnes.com/ emulator/platform
+https://001gamecreator.com/
 https://aleph-one-marathon.github.io/
+https://alternativeto.net/ query with only open source as opten
 https://app.assembla.com/spaces/openrpg/wiki
 https://app.assembla.com/spaces/Project_Valkyrie2/wiki
 https://appimage.org/
+https://archive.codeplex.com/?p=turnota
+https://archive.codeplex.com/?p=voxeliq
 https://blenderartists.org/t/devils-pinball/552785
 https://blends.debian.org/games/tasks/
 https://carrot.soulweaver.fi/#links
 https://cocainediesel.fun/
-https://code.google.com/archive/p/andors-trail/
 https://code.google.com/archive/p/galacticthrone/
 https://code.google.com/archive/p/primitivewars/
 https://code.google.com/archive/p/scummgen/
 https://code.google.com/archive/p/tecbattle/
 https://code.launchpad.net/~flosoft/s25rttr/trunk
 https://conquertheworldbycode.wordpress.com/nostalgia-2/
+https://dragengine.rptd.ch/
 https://empiredirectory.net/
 https://empiredirectory.net/index.php/downloads/viewdownload/6-server-software/13-empire-server
-https://en.wikipedia.org/w/index.php?title=Etterna_(Game)&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=GNU_Backgammon&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Golden_Age_of_Civilizations&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Kdegames&action=edit&redlink=1
-https://en.wikipedia.org/w/index.php?title=Minetest&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Simon_Tatham%27s_Portable_Puzzle_Collection&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Simple_Solitaire_Collection&action=edit&redlink=1
-https://en.wikipedia.org/w/index.php?title=Super_Tux_Party&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Trigger_Rally&action=edit&redlink=1
 https://en.wikipedia.org/wiki/Crystal_Space
 https://en.wikipedia.org/wiki/GNOME_Games_Collection
@ -193,17 +149,22 @@ https://en.wikipedia.org/wiki/One_Hour_One_Life
 https://en.wikipedia.org/wiki/Passage_(video_game)
 https://en.wikipedia.org/wiki/Rocks%27n%27Diamonds
 https://en.wikipedia.org/wiki/Teeworlds
+https://enigma-dev.org/about.htm
 https://fedoraproject.org/wiki/SIGs/Games#List_of_games_we_will_NOT_package
 https://flathub.org/home (use it for Linux packaging) / https://flathub.org/apps/category/Game
+https://forums.scummvm.org/viewtopic.php?t=13512&highlight=open+source
 https://freegamer.blogspot.com (maybe there is something interesting)
 https://futurepinball.com/
-https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion
+https://gamejolt.com/ (search there)
+https://gdevelop-app.com/
 https://github.com/anura-engine/anura
 https://github.com/ao-libre/ao-cliente
+https://github.com/atphalix/nexuiz
 https://github.com/azhirnov/FrameGraph
 https://github.com/bitcraft/pyscroll
 https://github.com/bitcraft/PyTMX
-https://github.com/carriercomm/crystal-picnic
+https://github.com/born2snipe/flixel-gdx
+https://github.com/bsmr-games (also contains copies)
 https://github.com/CatacombGames/
 https://github.com/Chluverman/android-gltron
 https://github.com/collections/game-engines (only OS)
@ -215,53 +176,73 @@ https://github.com/collections/tools-for-open-source (maybe we can apply some)
 https://github.com/collections/web-games (only OS)
 https://github.com/Cortrah/SpaceOperaDesign, https://github.com/Cortrah/SpaceOperaRuby/blob/master/design/turnstyles.md
 https://github.com/cping/LGame
+https://github.com/crosire/reshade
+https://github.com/crossuo/crossuo
+https://github.com/DaanVanYperen/artemis-odb-contrib
 https://github.com/DeflatedPickle/FAOSDance
+https://github.com/Donerkebap13/DonerComponents
+https://github.com/Drasky-Vanderhoff/CommonDrops
+https://github.com/ec-/Quake3e
+https://github.com/elishacloud/Silent-Hill-2-Enhancements
 https://github.com/ErikLetson/torso-ninja
 https://github.com/ErikLetson/torso-ninja-2
+https://github.com/fallahn/xygine
+https://github.com/fegennari/3DWorld
 https://github.com/flathub (all repositories which are games there)
 https://github.com/FUSEEProjectTeam/Fusee
 https://github.com/gamearians
+https://github.com/GamedevFramework/gf
 https://github.com/grantjenks/free-python-games (check all)
 https://github.com/hparcells/cards-against-humanity
-https://github.com/hypatia-software-org/hypatia-engine
+https://github.com/i42output/neoGFX
 https://github.com/id-Software
-https://github.com/JonasT/Blitwizard
-https://github.com/joulupunikki/Phoenix
-https://github.com/KasaiDot/the-black-wars
+https://github.com/JohanLi/uncharted-waters-2
+https://github.com/junkdog/artemis-odb
 https://github.com/LgLinus/StrategyGame
 https://github.com/libretro/libretro-prboom
-https://github.com/LonamiWebs/Klooni1010
-https://github.com/LucKeyProductions/heXon
-https://github.com/lutzroeder/digger
-https://github.com/mikera/ironclad
-https://github.com/nondev/yae
-https://github.com/nwjs/nw.js
-https://github.com/oliverdb/Historyline
+https://github.com/MarcoLizza/tofu-engine
+https://github.com/mewo2/terrain
+https://github.com/morganbengtsson/mos
+https://github.com/MrFrenik/Enjon
+https://github.com/ogarcia/opensudoku
+https://github.com/OGRECave/scape
 https://github.com/OpenMandrivaAssociation
+https://github.com/OpenMandrivaAssociation/nexuiz/blob/master/nexuiz.spec
 https://github.com/opensourcedesign
 https://github.com/OSSGames
-https://github.com/OSSGames/GAME-SDL-ACTION-Blobwars_Metal_Blob_Solid
-https://github.com/palodequeso/Element-Games-Engine
+https://github.com/OSSGames (all there, but we should have them already)
 https://github.com/PavelDoGreat/WebGL-Fluid-Simulation
-https://github.com/pistacchio/Dedalus
 https://github.com/pld-linux
-https://github.com/pmprog/OpenApoc
-https://github.com/potomak/gist-txt
+https://github.com/pld-linux/nexuiz/blob/master/nexuiz.spec
+https://github.com/psuong/ig-developer-console
+https://github.com/qiciengine/qiciengine
+https://github.com/rizwan3d/MotoGameEngine
+https://github.com/rlguy/FantasyMapGenerator
 https://github.com/RoxasShadow/Sottaceto
 https://github.com/rramsden/ymir
+https://github.com/SanderMertens/flecs
 https://github.com/saniv/free-game-art/blob/master/foss-copyright-infringement-records.md
 https://github.com/search?p=1&q=sunrider&type=Repositories, sunrider
+https://github.com/senior-sigan/WHY_CPP
+https://github.com/skypjack/entt
+https://github.com/smlinux/nexuiz
 https://github.com/SPC-Some-Polish-Coders/PopHead
-https://github.com/textadventures/squiffy
+https://github.com/SPC-Some-Polish-Coders/PopHead/
 https://github.com/the-insulines
 https://github.com/theaigames
-https://github.com/TheOnly92/Ikariem
 https://github.com/Tinob/Ishiiruka (https://github.com/shiiion/Ishiiruka, https://github.com/SirMangler/PrimeHack-Updater)
-https://github.com/Trilarion/imperialism-remake
+https://github.com/TomBebb/awe
 https://github.com/Wargus/stratagus
 https://github.com/wesnoth/haldric
 https://gitlab.com/LibreGames
+https://gitlab.com/nyov/nyovs-nexuiz
 https://gitlab.com/vgstation/vgstation-old (and vgstation in general)
+https://gitlab.com/xonlegacy/xonlegacy
+https://gitlab.openrsc.com/open-rsc
+https://instead3.syscall.ru/
+https://itch.io/ (scrape, look for open source)
+https://jcrpg.blogspot.de/
+https://lgdb.org/ (ask on reddit for archived version)
 https://lgdb.org/engine/rawgl
 https://lgdb.org/game/katawa_shoujo
 https://lgdb.org/game/our-personal-space
@ -272,12 +253,20 @@ https://libregamewiki.org/CameliaGirls
 https://libregamewiki.org/Childish_Cannoneer
 https://libregamewiki.org/index.php?title=Libregamewiki_talk:Community_Portal&oldid=25410#Some_long_term_ideas
 https://libregamewiki.org/Libregamewiki:Suggested_games#Likely_sources_for_more_free_games
-https://opensludge.github.io/
+https://odr.chalmers.se/handle/20.500.12380/219006
 https://osdn.net/softwaremap/trove_list.php?form_cat=80
 https://packages.debian.org/sid/games/etw
 https://pixeldoctrine.com/index.html (more than just slime volleyball)
 https://play.google.com/store/apps/dev?id=8387589286898375037 (where is the source, not open source otherwise)
 https://playcanvas.com/
+https://pygame.org/project-Dododu-1134-.html
+https://pygame.org/project-Lands+of+Elderlore-294-.html
+https://pygame.org/project-LOF-2296-.html
+https://pygame.org/project-Mines+of+Elderlore-674-.html
+https://pygame.org/project-Monstrosity-2993-.html
+https://pygame.org/project-Phantasy+Star+Rebirth-1704-.html
+https://pygame.org/project-Ransack-2408-.html
+https://pygame.org/project-The+Cabbages-2077-.html
 https://pypi.org/project/CherryPy/
 https://pypi.org/project/neteria/
 https://pypi.org/project/networkx/
@ -290,25 +279,26 @@ https://revolutionarygamesstudio.com/ Trhive
 https://rpgmaker.net/engines/rpg20xx/
 https://rpgmaker.net/games/2664/
 https://salsa.debian.org/games-team/etw
+https://scorched-moon.github.io/site/
 https://scratch.mit.edu/
 https://scratch.mit.edu/ (https://en.scratch-wiki.info/wiki/Scratch_Source_Code)
 https://sourceforge.net/projects/ad1000/
 https://sourceforge.net/projects/alterciv/
-https://sourceforge.net/projects/battlechess
-https://sourceforge.net/projects/biege
+https://sourceforge.net/projects/battlechess/
+https://sourceforge.net/projects/biege/
 https://sourceforge.net/projects/crownsandshadow/
-https://sourceforge.net/projects/crpge
+https://sourceforge.net/projects/crpge/
 https://sourceforge.net/projects/crystal/
 https://sourceforge.net/projects/cyoadventures/
-https://sourceforge.net/projects/deuterosx
+https://sourceforge.net/projects/deuterosx/
 https://sourceforge.net/projects/dices/
-https://sourceforge.net/projects/dsa-hl.berlios
+https://sourceforge.net/projects/dsa-hl.berlios/
 https://sourceforge.net/projects/e-adventure/
-https://sourceforge.net/projects/elysium
+https://sourceforge.net/projects/elysium/
 https://sourceforge.net/projects/flapp/
 https://sourceforge.net/projects/fleet0ps/
 https://sourceforge.net/projects/freya-engine/
-https://sourceforge.net/projects/fruitwar
+https://sourceforge.net/projects/fruitwar/
 https://sourceforge.net/projects/heroes-rebirth/
 https://sourceforge.net/projects/instead/
 https://sourceforge.net/projects/javasettlers/
@ -322,60 +312,66 @@ https://sourceforge.net/projects/lasthope/
 https://sourceforge.net/projects/lgames/files/barrage/
 https://sourceforge.net/projects/lightbringer2015/
 https://sourceforge.net/projects/lixoo/
-https://sourceforge.net/projects/mage
-https://sourceforge.net/projects/migrationsimulationgame
+https://sourceforge.net/projects/mage/
+https://sourceforge.net/projects/migrationsimulationgame/
 https://sourceforge.net/projects/mindlence-game/
 https://sourceforge.net/projects/mininghaze/ - download didn't work
 https://sourceforge.net/projects/moeng/
 https://sourceforge.net/projects/morgoao/
 https://sourceforge.net/projects/openzelda/
 https://sourceforge.net/projects/palomino-sim/ (http://www.jimbrooks.org/archive/software/palomino/)
-https://sourceforge.net/projects/pdiaspora
+https://sourceforge.net/projects/pdiaspora/
 https://sourceforge.net/projects/phprpg/
 https://sourceforge.net/projects/pipmak/
-https://sourceforge.net/projects/qua
-https://sourceforge.net/projects/quest
+https://sourceforge.net/projects/qua/
+https://sourceforge.net/projects/quest/
 https://sourceforge.net/projects/roguelike/
-https://sourceforge.net/projects/rpgstudio
+https://sourceforge.net/projects/rpgstudio/
 https://sourceforge.net/projects/rpgtoolkit/
 https://sourceforge.net/projects/rptools.berlios/
 https://sourceforge.net/projects/schwertreiter/
 https://sourceforge.net/projects/solarconflict/
-https://sourceforge.net/projects/spaxehilk
+https://sourceforge.net/projects/spaxehilk/
 https://sourceforge.net/projects/sphere/
 https://sourceforge.net/projects/tbswwengine/
-https://sourceforge.net/projects/terrastrategy
+https://sourceforge.net/projects/terrastrategy/
 https://sourceforge.net/projects/terratenebrae/
 https://sourceforge.net/projects/tyrant/
-https://sourceforge.net/projects/untitled-rpg
+https://sourceforge.net/projects/untitled-rpg/
 https://sourceforge.net/projects/wesnoth-on-android/
-https://sourceforge.net/projects/wme
+https://sourceforge.net/projects/wme/
 https://sourceforge.net/projects/wowrl/
 https://sourceforge.net/projects/wwiig/
 https://sourceforge.net/projects/ztab/
 https://stabyourself.net/ (all projects there)
 https://stendhalgame.org/wiki/Marauroa
-https://supremacy.codeplex.com/
 https://threejs.org/
-https://turnota.codeplex.com/
-https://unity3d.com/
+https://unity.com/
+https://verge-rpg.com/
 https://voltisoft.com/miragelegacy
-https://voxeliq.codeplex.com/
-https://wargame.codeplex.com/
 https://web.archive.org/web/20150526225753/http://sourceforge.net/projects/mameosx/
 https://web.archive.org/web/20150527150705/http://sourceforge.net/p/forge/community-docs/SourceForge%20Games/ (schon erledigt)
 https://wiki.debian.org/Games/Unsuitable
+https://www.adventuregamestudio.co.uk/
 https://www.b3dgs.com/v7/page.php?lang=en&section=projects
+https://www.bennugd.org/
 https://www.blender.org/
 https://www.bsframework.io/
 https://www.choiceofgames.com/make-your-own-games/choicescript-intro/
+https://www.duality2d.net
 https://www.fandom.com/topics/games (look for media links, example https://creatures.fandom.com/wiki/Openc2e)
 https://www.fosshub.com/about.html
+https://www.fosslinux.com/
 https://www.freegamesutopia.com/
 https://www.frictionalgames.com/forum/forum-28.html
 https://www.libretro.com/
 https://www.libsdl.org/
+https://www.moddb.com/ (scrape, look for open source)
+https://www.moddb.com/engines/pyrogenesis
+https://www.moddb.com/engines/sage-strategy-action-game-engine
 https://www.moddb.com/mods/ (search for all)
+https://www.musztardasarepska.pl/wgdown/
+https://www.ness-engine.com/
 https://www.openhub.net/ (search for games)
 https://www.phpbb.com/
 https://www.piston.rs/
@ -384,16 +380,7 @@ https://www.reddit.com/r/opensourcegames/
 https://www.reddit.com/r/opensourcegames/comments/celw6c/top_3_open_source_pinball_games_2015/
 https://www.renpy.org/ (also all projects linked there)
 https://www.scirra.com/construct2
-https://zope.readthedocs.io/en/latest/
-lgdb ask on reddit for archived version
-nexuiz - https://github.com/atphalix/nexuiz
-nexuiz - https://github.com/OpenMandrivaAssociation/nexuiz/blob/master/nexuiz.spec
-nexuiz - https://github.com/pld-linux/nexuiz/blob/master/nexuiz.spec
-nexuiz - https://github.com/smlinux/nexuiz
-nexuiz - https://gitlab.com/nyov/nyovs-nexuiz
-nexuiz - https://gitlab.com/xonlegacy/xonlegacy
-pyglet
-Quatter
-query alternativeto with only open source...
-scrape moddb?
-wxPython
+https://www.tapatalk.com/groups/imperilist/
+https://www.wurfelengine.net/
+https://wxpython.org/
+https://zope.readthedocs.io/en/latest/
--- a/tools/improvement_ideas.txt
+++ b/tools/improvement_ideas.txt
@ -1,4 +1,4 @@
 Star-Wars-III: convert to JavaScript
 Trackballs: adapt to Windows
 TUSSLE: Maybe some characters can be included by default
-Unchartered Waters: Was removed, but sounds interesting. https://koei.fandom.com/wiki/Uncharted_Waters:_New_Horizons
+Unchartered Waters: Was removed, but sounds interesting. https://koei.fandom.com/wiki/Uncharted_Waters:_New_Horizons
--- a/tools/libregamewiki_import.py
+++ b/tools/libregamewiki_import.py
@ -150,6 +150,66 @@ def parse_lgw_content():
    utils.write_text(entries_file, text)


+def replace_content(entries, fields, replacement, search):
+    if not isinstance(fields, tuple):
+        fields = (fields, )
+    for index, entry in enumerate(entries):
+        for field in fields:
+            if field in entry:
+                content = entry[field]
+                if not isinstance(content, list):
+                    content = [content]
+                entry[field] = [replacement if x in search else x for x in content]
+        entries[index] = entry
+    return entries
+
+
+def ignore_content(entries, fields, ignored):
+    if not isinstance(fields, tuple):
+        fields = (fields, )
+    for index, entry in enumerate(entries):
+        for field in fields:
+            if field in entry:
+                content = entry[field]
+                if not isinstance(content, list):
+                    content = [content]
+                content = [x for x in content if x not in ignored]
+                if content:
+                    entry[field] = content
+                else:
+                    del entry[field]
+        entries[index] = entry
+    return entries
+
+def remove_prefix_suffix(entries, fields, prefixes, suffixes):
+    if not isinstance(fields, tuple):
+        fields = (fields, )
+    for index, entry in enumerate(entries):
+        for field in fields:
+            if field in entry:
+                content = entry[field]
+                if not isinstance(content, list):
+                    content = [content]
+                for prefix in prefixes:
+                    content = [x[len(prefix):] if x.startswith(prefix) else x for x in content]
+                for sufix in suffixes:
+                    content = [x[:-len(sufix)] if x.endswith(sufix) else x for x in content]
+                content = [x.strip() for x in content]
+                entry[field] = content
+        entries[index] = entry
+    return entries
+
+
+def lower_case_content(entries, field):
+    for index, entry in enumerate(entries):
+        if field in entry:
+            content = entry[field]
+            if not isinstance(content, list):
+                content = [content]
+            entry[field] = [x.casefold() for x in content]
+            entries[index] = entry
+    return entries
+
 def clean_lgw_content():

    # paths
@ -162,7 +222,10 @@ def clean_lgw_content():
    entries = json.loads(text)

    # rename keys
-    key_replacements = (('developer', ('Developer', 'Developers')), ('code license', ('Code license', 'Code licenses')), ('engine', ('Engine', 'Engines')), ('genre', ('Genre', 'Genres')))
+    key_replacements = (('developer', ('Developer', 'Developers')), ('code license', ('Code license', 'Code licenses')), ('engine', ('Engine', 'Engines')), ('genre', ('Genre', 'Genres')),
+                        ('library', ('Library', 'Libraries')), ('assets license', ('Media license', 'Media licenses')), ('code language', ('P. language', 'P. languages')), ('home', ('Homepage',)),
+                        ('platform', ('Platforms', )), ('tracker', ('Bug/Feature Tracker', )), ('repo', ('Source Code', )), ('forum', ('Forum', )), ('chat', ('Chat', )), ('origin', ('Origin', )),
+                        ('dev home', ('Development Project', )), ('last active', ('Release date', )))
    for index, entry in enumerate(entries):
        for new_key, old_keys in key_replacements:
            for key in old_keys:
@ -170,7 +233,14 @@ def clean_lgw_content():
                    entry[new_key] = entry[key]
                    del entry[key]
                    break
+        entries[index] = entry

+    # ignore keys
+    ignored_keys = ('origin', 'Latest\xa0release')
+    for index, entry in enumerate(entries):
+        for key in ignored_keys:
+            if key in entry:
+                del entry[key]
        entries[index] = entry

    # check for unique field names
@ -180,10 +250,57 @@ def clean_lgw_content():
    print('unique lgw fields: {}'.format(sorted(list(unique_fields))))

    # which fields are mandatory
+    mandatory_fields = unique_fields.copy()
    for entry in entries:
-        remove_fields = [field for field in unique_fields if field not in entry]
-        unique_fields -= set(remove_fields)
-    print('mandatory lgw fields: {}'.format(sorted(list(unique_fields))))
+        remove_fields = [field for field in mandatory_fields if field not in entry]
+        mandatory_fields -= set(remove_fields)
+    print('mandatory lgw fields: {}'.format(sorted(list(mandatory_fields))))
+
+    # content replacements
+    entries = remove_prefix_suffix(entries, ('code license', 'assets license'), ('"', 'GNU', ), ('"', '[3]', '[2]', '[1]', 'only'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'GPL', ('General Public License', ))
+    entries = replace_content(entries, ('code license', 'assets license'), 'GPLv2', ('GPL v2', 'GPL version 2.0', 'GPL 2.0'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'GPLv2+', ('GPL v2 or later', 'GPL 2+', 'GPL v2+', 'GPL version 2 or later'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'GPLv3', ('GPL v3', 'GNU GPL v3', 'GPL 3'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'GPLv3+', ('GPL v3+', 'GPL v.3 or later'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'Public domain', ('public domain', 'Public Domain'))
+    entries = replace_content(entries, ('code license', 'assets license'), 'zlib', ('zlib/libpng license', ))
+    entries = replace_content(entries, ('code license', 'assets license'), 'BSD', ('Original BSD License', ))
+    entries = replace_content(entries, ('code license', 'assets license'), 'CC-BY-SA-3.0', ('Creative Commons Attribution-ShareAlike 3.0 Unported License', 'CC-BY-SA 3.0', 'CC BY-SA 3.0'))
+    entries = replace_content(entries, 'platform', 'macOS', ('Mac', ))
+    entries = remove_prefix_suffix(entries, 'code language', (), ('[3]', '[2]', '[1]'))
+    entries = ignore_content(entries, 'code language', ('HTML5', 'HTML', 'English', 'XML', 'WML'))
+    entries = replace_content(entries, 'code language', 'Lua', ('lua', 'LUA'))
+    entries = remove_prefix_suffix(entries, 'genre', (), ('game', 'games'))
+    entries = lower_case_content(entries, 'genre')
+    entries = replace_content(entries, 'genre', 'platform', ('platformer', ))
+    entries = replace_content(entries, 'genre', 'role playing', ('rpg', ))
+    entries = replace_content(entries, 'genre', 'first person, shooter', ('fps', ))
+    entries = replace_content(entries, 'genre', 'real time, strategy', ('rts',))
+    entries = replace_content(entries, 'genre', 'turn based, strategy', ('tbs',))
+    entries = ignore_content(entries, 'categories', ('GPL', 'C++', 'C', 'ECMAScript', 'Python', 'Java', 'CC BY-SA', 'Lua', 'LGPL', 'CC-BY', 'BSD', 'MIT', 'Qt', 'SDL', 'OpenGL', 'Pygame', 'PD', 'GLUT', 'Haskell', 'Allegro', 'Ruby', 'Zlib/libpng', 'OpenAL', 'Perl', 'Free Pascal', 'LÖVE', 'HTML5', 'Id Tech 1'))
+    entries = replace_content(entries, 'library', 'pygame', ('Pygame', ))
+    entries = replace_content(entries, 'library', 'Qt', ('QT', ))
+    entries = ignore_content(entries, 'library', ('C++', 'Lua', 'Mozilla Firefox'))
+
+    # list for every unique field
+    # fields = sorted(list(unique_fields))
+    fields = sorted(list(unique_fields - set(('description', 'external links', 'dev home', 'forum', 'home', 'linux-packages', 'developer', 'chat', 'tracker', 'Latest release', 'name', 'repo', 'Release date', 'categories'))))
+    for field in fields:
+        content = [entry[field] for entry in entries if field in entry]
+        # flatten
+        flat_content = []
+        for c in content:
+            if isinstance(c, list):
+                flat_content.extend(c)
+            else:
+                flat_content.append(c)
+        statistics = utils.unique_elements_and_occurrences(flat_content)
+        print('\n{}: {}'.format(field, ', '.join(statistics)))
+
+    # save entries
+    text = json.dumps(entries, indent=1)
+    utils.write_text(cleaned_entries_file, text)


 if __name__ == "__main__":
--- a/tools/libregamewiki_synchronization.py
+++ b/tools/libregamewiki_synchronization.py
@ -44,15 +44,7 @@ name_replacements = {'Eat the Whistle': 'Eat The Whistle', 'Scorched 3D': 'Scorc
                     'Fall Of Imiryn': 'Fall of Imiryn', 'Liquid War 6': 'Liquid War', 'Gusanos': 'GUSANOS', 'Corewars': 'Core War', 'FLARE': 'Flare', 'Vitetris': 'vitetris', 'Powder Toy': 'The Powder Toy', 'Asylum': 'SDL Asylum',
                     'Atanks': 'Atomic Tanks'}
 ignored_names = ['Hetris', '8 Kingdoms', 'Antigravitaattori', 'Arena of Honour', 'Arkhart', 'Ascent of Justice', 'Balazar III', 'Balder3D', 'Barbie Seahorse Adventures', 'Barrage', 'Gnome Batalla Naval', 'User:AVRS/sandbox']
-ignored_languages = ['HTML', 'XML', 'WML', 'English']

-ignored_categories = ['GPL', 'C++', 'C', 'ECMAScript', 'Python', 'Java', 'CC BY-SA', 'Lua', 'LGPL', 'CC-BY', 'BSD', 'MIT', 'Qt', 'SDL', 'OpenGL', 'Pygame', 'PD', 'GLUT', 'Haskell', 'Allegro', 'Ruby', 'Zlib/libpng', 'OpenAL', 'Perl', 'Free Pascal', 'LÖVE', 'HTML5', 'Id Tech 1']
-
-genre_replacements = {'rpg': 'role playing', 'fps': 'first person, shooter', 'tbs': 'turn based, strategy', 'rts': 'real time, strategy'}
-
-platform_replacements = {'Mac': 'macOS'}
-
-library_replacements = {'Pygame': 'pygame', 'QT': 'Qt'}


 def list_compare(a, b, k):
--- a/tools/maintenance.py
+++ b/tools/maintenance.py
@ -776,8 +776,33 @@ def clean_backlog(stripped_game_urls):
    utils.write_text(file, text)


+def check_validity_backlog():
+    import requests
+
+    # read backlog and split
+    file = os.path.join(c.root_path, 'tools', 'backlog.txt')
+    text = utils.read_text(file)
+    urls = text.split('\n')
+    urls = [x.split(' ')[0] for x in urls]
+
+    headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64)'}
+    for url in urls:
+        try:
+            r = requests.get(url, headers=headers, timeout=5)
+        except Exception as e:
+            print('{} gave error: {}'.format(url, e))
+        else:
+            if r.status_code != requests.codes.ok:
+                print('{} returned status code: {}'.format(url, r.status_code))
+
+            if r.is_redirect or r.history:
+                print('{} redirected to {}, {}'.format(url, r.url, r.history))
+
+
 if __name__ == "__main__":

+    # check_validity_backlog()
+
    # backlog
    game_urls = osg.extract_links()
    text = utils.read_text(os.path.join(c.root_path, 'tools', 'rejected.txt'))
--- a/tools/rejected.txt
+++ b/tools/rejected.txt
@ -4,6 +4,7 @@ Age of Magic (https://sourceforge.net/projects/ageofmagic/, https://svn.code.sf.
 Altera Terra (https://sourceforge.net/projects/alteraterra/, https://svn.code.sf.net/p/alteraterra/code/): Early development stage, no clear license information
 android_snake_game (https://github.com/codepath/android_snake_game): No license information found
 Antigravitaattori (http://www.luolamies.org/software/antigrav/, https://packages.debian.org/stable/games/antigravitaattori): Very early development
+Apricot JS (http://apricot-js.tumblr.com/): Difficult to find the source code, no license information, may not be used in games
 Arena of Honour (https://sourceforge.net/projects/aoh/): No clear license with the sources, no license of the assets, early development (alpha), abandoned
 Arkhart (http://gna.org/projects/arkhart/, http://arkhart.nekeme.net/): Sources lost (gna.org)
 Arthur's Knights (http://ainenn.org/KingArthur/, https://sourceforge.net/projects/king-arthur/): Unclear license, author could not be contacted
@ -15,12 +16,14 @@ Begin2 (https://sourceforge.net/projects/begin2/, https://svn.code.sf.net/p/begi
 Berserk (https://github.com/EgorOrachyov/Berserk): No license information found
 biju-game (https://github.com/fdfragoso/biju-game, http://crocidb.com/labs/biju-game/, https://github.com/CrociDB/biju-game): Very early development, No license added
 Camelia Girls (https://web.archive.org/web/20140523011334/http://pigux.com:80/cameliagirls/): Sources not available
-Crystal Picnic (https://github.com/Cloudxtreme/crystal-picnic, https://nooskewl.ca/crystal-picnic/): No license of their source code found, is commercialized
+Crystal Picnic (https://github.com/Cloudxtreme/crystal-picnic, https://nooskewl.ca/crystal-picnic/): No license of their source code found (or is it zlib?, check again), is commercialized
 Cycle (https://sourceforge.net/projects/meegocycle/): Proprietary license (freeware, source available)
 dart-rpg (https://github.com/brad811/dart-rpg): No license information found
+digger (https://github.com/lutzroeder/digger): No license information
 Drop Shock (http://www.tinywarz.com/index.php, https://sourceforge.net/projects/dropshock/, https://git.code.sf.net/p/dropshock/code): No license found
 EarthShakerDS (http://simianzombie.com/posts/2011/05/10/earth-shaker-ds-released, https://github.com/ant512/EarthShakerDS.git): Target only Nintendo DS as hardware platform
 Eleconics (https://sourceforge.net/projects/eleconics/): No license found
+Element Games Engine (https://github.com/fredwen2008/Element-Games-Engine): No license information
 Entombed! (http://www.newbreedsoftware.com/entombed/, ftp://ftp.tuxpaint.org/unix/x/entombed/entombed-2007.07.04.tar.gz): Game very small
 EXILE (http://forums.datarealms.com/viewtopic.php?f=82&t=19266, https://github.com/Geti/EXILE.git): Early development stage
 Fight Or Perish (http://www.newbreedsoftware.com/fop/, ftp://ftp.tuxpaint.org/unix/x/fop/src/fop-0.5.tar.gz): Early development stage
@ -31,9 +34,12 @@ Frogatto & Friends (https://github.com/frogatto/frogatto, https://frogatto.com/)
 Future Blocks (https://github.com/fogleman/FutureBlocks.git): Needs DosBox, simple Tetris clone (nice, but maybe too minimal)
 Grow (https://sourceforge.net/projects/grow/): Insufficient content
 Herzog 3D (http://herzog3d.sourceforge.net/, https://sourceforge.net/p/herzog3d/code/HEAD/tree/): Very early development
+HistoryLine (https://github.com/oliverdb/Historyline): Very early development, no license information
 Homeworld SDL (https://github.com/aheadley/homeworld): Not open source compliant license (see https://github.com/aheadley/homeworld/blob/master/README)
-Ikariam (https://github.com/advocaite/ikariam): No license information found, no assets license information found
-imperialism-remake (http://remake.twelvepm.de/, https://github.com/Trilarion/Imperialism-Remake.git): Too minimal (I must know)
+Ikariam (https://github.com/advocaite/ikariam, https://github.com/TheOnly92/Ikariem): No license information found, no assets license information found
+imperialism-remake (http://remake.twelvepm.de/, https://github.com/Trilarion/imperialism-Remake): Too minimal (I must know)
+Inline-Engine (https://github.com/petiaccja/Inline-Engine): Commercial license
+Ironclad (https://github.com/mikera/ironclad): No license information, asked but did not get a reply
 Jumping Jack 2 Worryingly Familiar (http://retrospec.sgn.net/game/jj2, http://retrospec.sgn.net/users/nwalker/jack/jjwf.zip): No compliant license found
 Jumping Jack Further Adventures (http://retrospec.sgn.net/game/jj,  http://retrospec.sgn.net/users/nwalker/jack/jj.zip): No compliant license found
 Jumpman (http://www.oldskool.org/pc/jumpman, http://www.oldskool.org/pc/jumpman/jump_src.zip): Only runs on DOS, License problems (taken without asking for permission)
@ -47,6 +53,7 @@ Manic Miner (http://retrospec.sgn.net/game/mm): Unclear license (freeware?), pro
 Mining Haze (http://sourceforge.net/projects/mininghaze/): Very early development
 MonoStrategy (https://monostrategy.codeplex.com/, https://codeplexarchive.blob.core.windows.net/archive/projects/monostrategy/monostrategy.zip): Early development (alpha), Not playable, requires original content, abandoned
 Moopy (https://code.google.com/archive/p/moopy/, https://code.google.com/archive/p/moopy/source/default/source): Early development stage
+MultiGame (https://github.com/whendricso/MultiGame): Commercial
 New RAW (http://sourceforge.net/projects/newraw/, http://svn.code.sf.net/p/newraw/code/): Early development, requires original content, abandoned
 Open General (http://www.open-general.com/, https://sourceforge.net/projects/opengeneral/, https://svn.code.sf.net/p/opengeneral/code/): Proprietary license (see credits.txt)
 OpenDeathValley (https://github.com/OpenDeathValley/OpenDeathValley.git): No instructions, no releases, no website, not much code
@ -55,7 +62,10 @@ OpenPop (http://openpopulous.sourceforge.net/, https://sourceforge.net/projects/
 openStrato (https://github.com/gerdl/openStrato.git): Not much code, no release or demo site, short code history, abandoned
 pacman (https://github.com/snozza/pacman.git): Playable? We already have so many pacmans
 Phavon (http://phavon.sourceforge.net/, http://phavon.cvs.sourceforge.net/viewvc/phavon/): Very early development
+Phoenix (https://github.com/joulupunikki/Phoenix, https://joulupunikki.github.io/Phoenix/#Copyright): Only waive liability, otherwise all rights reserved
+Pico-8 (https://www.lexaloffle.com/pico-8.php): Commercial
 PKMN-FX (https://github.com/jonasdemoor/PKMN-FX.git): Code not available anymore
+Postludium (https://github.com/Pctg-x8/postludium): Very early development, no license information
 Project Diaspora (http://pdiaspora.sourceforge.net/): Proprietary license (see file headers)
 Project: Xenocide (https://sourceforge.net/projects/xenocide/, http://xenocide.cvs.sourceforge.net/viewvc/xenocide/): Very early development
 Promisance (https://sourceforge.net/projects/promisance/,http://promisance.sourceforge.net/): Went closed source with version >= 4.0
--- a/tools/utils/osg.py
+++ b/tools/utils/osg.py
@ -52,6 +52,8 @@ def canonical_game_name(name):
    name = regex_sanitize_name.sub('', name)
    name = regex_sanitize_name_space_eater.sub('_', name)
    name = name.replace('_-_', '-')
+    name = name.replace('--', '-')
+    name = name.replace('--', '-')

    return name

--- a/tools/utils/utils.py
+++ b/tools/utils/utils.py
@ -269,10 +269,7 @@ def unzip(zip_file, destination_directory):


 def strip_url(url):
-    for prefix in ('http://', 'https://'):
-        if url.startswith(prefix):
-            url = url[len(prefix):]
-    for prefix in ('www.',):
+    for prefix in ('http://', 'https://', 'www.'):
        if url.startswith(prefix):
            url = url[len(prefix):]
    for suffix in ('/', '.git', '/en', '/index.html'):
@ -295,4 +292,17 @@ def load_properties(filepath, sep='=', comment_char='#'):
                key = line[0].strip()
                value = line[1].strip()
                properties[key] = value
-    return properties
+    return properties
+
+
+def unique_elements_and_occurrences(elements):
+    """
+
+    """
+    unique_elements = {}
+    for element in elements:
+        unique_elements[element] = unique_elements.get(element, 0) + 1
+    unique_elements = list(unique_elements.items())
+    unique_elements.sort(key=lambda x: -x[1])
+    unique_elements = ['{}({})'.format(k, v) for k, v in unique_elements]
+    return unique_elements