checked external links

code/archives.json

@@ -5,17 +5,8 @@
   "git://opensimulator.org/git/opensim",
   "http://git.artsoft.org/rocksndiamonds.git",
   "http://git.pond.sub.org/empserver",
-  "http://repo.or.cz/intricacy.git",
-  "http://repo.or.cz/openal-soft.git",
-  "http://repo.or.cz/tennix.git",
   "https://anongit.freedesktop.org/git/pkg-config.git",
-  "https://anongit.kde.org/granatier.git",
-  "https://anongit.kde.org/katomic.git",
-  "https://anongit.kde.org/kgoldrunner.git",
-  "https://anongit.kde.org/kmines.git",
-  "https://anongit.kde.org/ksnakeduel.git",
   "https://anongit.kde.org/ksudoku.git",
-  "https://anongit.kde.org/palapeli.git",
   "https://bitbucket.org/SteveSmith16384/teamtactics.git",
   "https://bitbucket.org/annexctw/annex.git",
   "https://bitbucket.org/czirkoszoltan/gdash.git",
@@ -138,7 +129,6 @@
   "https://github.com/AllureOfTheStars/Allure.git",
   "https://github.com/Amanieu/tremfusion.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",
@@ -159,6 +149,7 @@
   "https://github.com/Bacon2D/Bacon2D.git",
   "https://github.com/Blackvoxel/Blackvoxel.git",
   "https://github.com/Blasphemer/blasphemer.git",
+  "https://github.com/Blecki/dwarfcorp.git",
   "https://github.com/BlindMindStudios/StarRuler2-Source.git",
   "https://github.com/Blzut3/CatacombSDL.git",
   "https://github.com/BrooklynKing/Grimsonland.git",
@@ -168,7 +159,6 @@
   "https://github.com/CamHenlin/Roguish.git",
   "https://github.com/CartBlanche/Siege-of-Avalon-Open-Source.git",
   "https://github.com/Ceva24/ceva24.github.io.git",
-  "https://github.com/ChaosForge/doomrl.git",
   "https://github.com/ChildrenOfUr/coUclient.git",
   "https://github.com/Chris3606/GoRogue.git",
   "https://github.com/ChrisDill/Raylib-cs.git",
@@ -176,7 +166,6 @@
   "https://github.com/CireG/Zauberer.git",
   "https://github.com/Cirrus-Minor/witchblast.git",
   "https://github.com/CleverRaven/Cataclysm-DDA.git",
-  "https://github.com/CompletelyFairGames/dwarfcorp.git",
   "https://github.com/Construo/construo.git",
   "https://github.com/CorsixTH/CorsixTH.git",
   "https://github.com/CytopiaTeam/Cytopia.git",
@@ -188,13 +177,11 @@
   "https://github.com/Deceth/Battle-City.git",
   "https://github.com/DeltaEngine/DeltaEngine.git",
   "https://github.com/DigitalPulseSoftware/NazaraEngine.git",
-  "https://github.com/DjThunder/lionheart-remake.git",
   "https://github.com/Droggelbecher/Grail.git",
   "https://github.com/Duion/Uebergame.git",
   "https://github.com/DusteDdk/SDL-Ball.git",
   "https://github.com/DusteDdk/Wizznic.git",
   "https://github.com/DusteDdk/osgg.git",
-  "https://github.com/EMC23/JiGS-PHP-RPG-engine.git",
   "https://github.com/EXL/NXEngine.git",
   "https://github.com/EasyRPG/Player.git",
   "https://github.com/Echelon9/mechcommander2-open.git",
@@ -217,7 +204,7 @@
   "https://github.com/GTA-ASM/SanAndreasUnity.git",
   "https://github.com/GaidamakUA/BatteryReborn.git",
   "https://github.com/Gang-Garrison-2/Gang-Garrison-2.git",
-  "https://github.com/GentenStudios/quartz-engine.git",
+  "https://github.com/GentenStudios/QuartzEngine.git",
   "https://github.com/GerHobbelt/pthread-win32.git",
   "https://github.com/GlPortal/glPortal.git",
   "https://github.com/Gnomescroll/Gnomescroll.git",
@@ -254,6 +241,7 @@
   "https://github.com/LWJGL/lwjgl3.git",
   "https://github.com/LagoLunatic/wwrando.git",
   "https://github.com/LambdaHack/LambdaHack.git",
+  "https://github.com/Last-Minute-Creations/openFire.git",
   "https://github.com/LastTryR/LastTry.git",
   "https://github.com/Leejjon/Battleround.git",
   "https://github.com/LibreGamesArchive/galaxymageredux.git",
@@ -265,7 +253,7 @@
   "https://github.com/LongSteve/aquastax.git",
   "https://github.com/Luomu/starshatter-open.git",
   "https://github.com/Lyndir/Gorillas.git",
-  "https://github.com/MaKiPL/OpenVIII.git",
+  "https://github.com/MaKiPL/OpenVIII-monogame.git",
   "https://github.com/MadDeCoDeR/Classic-RBDOOM-3-BFG.git",
   "https://github.com/Marisa-Chan/UA_source.git",
   "https://github.com/MattMatt0240/DemiGod.git",
@@ -277,10 +265,10 @@
   "https://github.com/MonoGame/MonoGame.git",
   "https://github.com/MovingBlocks/DestinationSol.git",
   "https://github.com/MovingBlocks/Terasology.git",
-  "https://github.com/NSasquatch/Wario-Land-3.git",
   "https://github.com/NY00123/refkeen.git",
   "https://github.com/NYRDS/remixed-dungeon.git",
   "https://github.com/NagyD/SDLPoP.git",
+  "https://github.com/Nearoo/Wario-Land-3.git",
   "https://github.com/Nebuleon/ativayeban.git",
   "https://github.com/Nebuleon/hocoslamfy.git",
   "https://github.com/NetHack/NetHack.git",
@@ -295,21 +283,26 @@
   "https://github.com/OneSleepyDev/boswars_osd.git",
   "https://github.com/OneSleepyDev/boswars_osd_archive.git",
   "https://github.com/OoliteProject/oolite.git",
+  "https://github.com/OpMonTeam/OpMon-Data.git",
   "https://github.com/OpMonTeam/OpMon.git",
   "https://github.com/OpenApoc/OpenApoc.git",
   "https://github.com/OpenArena/engine.git",
   "https://github.com/OpenDUNE/OpenDUNE.git",
+  "https://github.com/OpenDominion/OpenDominion.git",
   "https://github.com/OpenDungeons/OpenDungeons.git",
   "https://github.com/OpenFodder/openfodder.git",
   "https://github.com/OpenLoco/OpenLoco.git",
   "https://github.com/OpenMW/openmw.git",
   "https://github.com/OpenMeridian/Meridian59.git",
   "https://github.com/OpenMeridian105/Meridian59.git",
+  "https://github.com/OpenNFS/OpenNFS.git",
   "https://github.com/OpenRA/OpenRA.git",
   "https://github.com/OpenRCT2/OpenRCT2.git",
   "https://github.com/OpenSAGE/OpenSAGE.git",
   "https://github.com/OpenSWE1R/openswe1r.git",
   "https://github.com/OpenTTD/OpenTTD.git",
+  "https://github.com/OpenXcom/OpenXcom.git",
+  "https://github.com/OutpostUniverse/OPHD.git",
   "https://github.com/PCGen/pcgen.git",
   "https://github.com/PanosK92/SpartanEngine.git",
   "https://github.com/PistonDevelopers/hematite.git",
@@ -340,9 +333,7 @@
   "https://github.com/SimonLarsen/mrrescue.git",
   "https://github.com/SimonN/Lix.git",
   "https://github.com/SimonN/LixD.git",
-  "https://github.com/SirCmpwn/TrueCraft.git",
   "https://github.com/SmallRoomLabs/ladder.git",
-  "https://github.com/SneakyTactician/MagicalLife.git",
   "https://github.com/SpaceTraderGame/SpaceTrader-Windows.git",
   "https://github.com/Stabyourself/mari0.git",
   "https://github.com/SteveSmith16384/3DHorrorGame.git",
@@ -354,15 +345,16 @@
   "https://github.com/SteveSmith16384/SimplePlatformer.git",
   "https://github.com/SteveSmith16384/SteveTech1.git",
   "https://github.com/SteveSmith16384/TumblyTowers.git",
-  "https://github.com/SupSuper/OpenXcom.git",
   "https://github.com/SuperTux/supertux.git",
   "https://github.com/SuperV1234/SSVOpenHexagon.git",
   "https://github.com/TASVideos/desmume.git",
+  "https://github.com/TBye101/MagicalLife.git",
   "https://github.com/TES3MP/openmw-tes3mp.git",
   "https://github.com/TIHan/FQuake3.git",
   "https://github.com/TOMB5/TOMB5.git",
   "https://github.com/TVTower/TVTower.git",
   "https://github.com/TalonBraveInfo/OpenHoW.git",
+  "https://github.com/Techbot/JiGS-PHP-RPG-engine.git",
   "https://github.com/The-Powder-Toy/The-Powder-Toy.git",
   "https://github.com/TheAssemblyArmada/Chronoshift.git",
   "https://github.com/TheAssemblyArmada/Thyme.git",
@@ -380,7 +372,7 @@
   "https://github.com/Vakarias/farcolony.git",
   "https://github.com/ValHaris/asc-hq.git",
   "https://github.com/ValyriaTear/ValyriaTear.git",
-  "https://github.com/Vanilla-NetHack/NetHack.git",
+  "https://github.com/Vanilla-NetHack/NetHack-3.4.3.git",
   "https://github.com/VenKamikaze/BitRiot.git",
   "https://github.com/Veraball/veraball.git",
   "https://github.com/VilleKrumlinde/zgameeditor.git",
@@ -389,7 +381,6 @@
   "https://github.com/Wargus/stratagus.git",
   "https://github.com/Wargus/wargus.git",
   "https://github.com/Warzone2100/warzone2100.git",
-  "https://github.com/WaveHack/OpenDominion.git",
   "https://github.com/Whales/Cataclysm.git",
   "https://github.com/WindstilleTeam/windstille.git",
   "https://github.com/XProger/OpenLara.git",
@@ -406,7 +397,7 @@
   "https://github.com/adamenkov/jet-story.git",
   "https://github.com/afritz1/OpenTESArena.git",
   "https://github.com/agateau/pixelwheels.git",
-  "https://github.com/ahmetkasif/KittenMaxit.git",
+  "https://github.com/ahmetkasif/kmaxit.git",
   "https://github.com/ajweeks/FlexEngine.git",
   "https://github.com/ajxs/jsFO.git",
   "https://github.com/akarnokd/open-ig.git",
@@ -455,6 +446,7 @@
   "https://github.com/atrinik/atrinik.git",
   "https://github.com/b0n541/jskat-multimodule.git",
   "https://github.com/b3dgs/lionengine.git",
+  "https://github.com/b3dgs/lionheart-remake.git",
   "https://github.com/b3dgs/tyrian-remake.git",
   "https://github.com/b3dgs/warcraft-remake.git",
   "https://github.com/basicallydan/skifree.js.git",
@@ -484,12 +476,15 @@
   "https://github.com/calref/cboe.git",
   "https://github.com/candybox2/candybox2.github.io.git",
   "https://github.com/capnramses/opengl_test_drive_clone.git",
-  "https://github.com/carstene1ns/super-methane-brothers-gx.git",
+  "https://github.com/carstene1ns/super-methane-brothers.git",
   "https://github.com/castle-engine/castle-engine.git",
   "https://github.com/ccdevnet/openc2e.git",
+  "https://github.com/cdetamble/jewelthief.git",
   "https://github.com/cflavio/yorg.git",
+  "https://github.com/chaosforgeorg/doomrl.git",
   "https://github.com/chocolate-doom/chocolate-doom.git",
   "https://github.com/chrisboyle/sgtpuzzles.git",
+  "https://github.com/christopherredden/freestars.git",
   "https://github.com/chubakur/wizards-magic.git",
   "https://github.com/chubakur/wizards-magic2.git",
   "https://github.com/ciplogic/fheroes2enh.git",
@@ -498,7 +493,7 @@
   "https://github.com/clintbellanger/flare-engine.git",
   "https://github.com/cocos2d/cocos2d-x.git",
   "https://github.com/coelckers/gzdoom.git",
-  "https://github.com/collinsmith/diablo.git",
+  "https://github.com/collinsmith/riiablo.git",
   "https://github.com/colobot/colobot.git",
   "https://github.com/commandojs/CommandoJS.git",
   "https://github.com/cortex-command-community/Cortex-Command-Community-Project-Source.git",
@@ -522,6 +517,7 @@
   "https://github.com/darklegion/tremulous.git",
   "https://github.com/davidjoffe/dave_gnukem.git",
   "https://github.com/dbartolini/crown.git",
+  "https://github.com/ddevault/TrueCraft.git",
   "https://github.com/deathbeam/spooker.git",
   "https://github.com/deathbeam/yae.git",
   "https://github.com/deathkiller/jazz2.git",
@@ -557,7 +553,7 @@
   "https://github.com/elnormous/ouzel.git",
   "https://github.com/emezeske/digbuild.git",
   "https://github.com/endless-sky/endless-sky.git",
-  "https://github.com/englercj/lttp-phaser.git",
+  "https://github.com/englercj/lttp.git",
   "https://github.com/enigma-dev/enigma-dev.git",
   "https://github.com/enriquesomolinos/DreeRally.git",
   "https://github.com/enz/pentobi.git",
@@ -590,8 +586,8 @@
   "https://github.com/freeorion/freeorion.git",
   "https://github.com/freeors/War-Of-Kingdom.git",
   "https://github.com/freeserf/freeserf.git",
-  "https://github.com/frittatenbank/jewelthief.git",
   "https://github.com/gabrielecirulli/2048.git",
+  "https://github.com/gbtami/pychess-variants.git",
   "https://github.com/gemrb/gemrb.git",
   "https://github.com/gerstrong/Commander-Genius.git",
   "https://github.com/ghewgill/puzzles.git",
@@ -631,7 +627,7 @@
   "https://github.com/idmillington/undum.git",
   "https://github.com/ihofmann/open-websoccer.git",
   "https://github.com/indyjo/Thunder-Lightning.git",
-  "https://github.com/inexor-game/code.git",
+  "https://github.com/inexorgame/inexor-core.git",
   "https://github.com/infidel-/cult.git",
   "https://github.com/inolen/quakejs.git",
   "https://github.com/instead-hub/instead.git",
@@ -663,6 +659,8 @@
   "https://github.com/jkroepke/2Moons.git",
   "https://github.com/jmimu/FITD.git",
   "https://github.com/jonburesh/sintelgame.git",
+  "https://github.com/jonof/jfduke3d.git",
+  "https://github.com/jonof/jfsw.git",
   "https://github.com/joshbressers/ularn.git",
   "https://github.com/jp8900308/other-life.git",
   "https://github.com/jpmalkiewicz/decker.git",
@@ -690,7 +688,6 @@
   "https://github.com/laanwj/sundog.git",
   "https://github.com/landoffire/lof-tmwa-client-data.git",
   "https://github.com/landoffire/lof-tmwa-server-data.git",
-  "https://github.com/ldicker83/OPHD.git",
   "https://github.com/leethomason/unflobtactical.git",
   "https://github.com/leezer3/OpenBVE.git",
   "https://github.com/leonicolas/ReQbert.git",
@@ -726,7 +723,6 @@
   "https://github.com/mdsteele/azimuth.git",
   "https://github.com/mdsteele/syzygy.git",
   "https://github.com/melonjs/melonJS.git",
-  "https://github.com/metalvoidzz/Sourcehold.git",
   "https://github.com/mgechev/mk.js.git",
   "https://github.com/mgerhardy/caveexpress.git",
   "https://github.com/mgfreshour/hexwar.git",
@@ -762,8 +758,9 @@
   "https://github.com/nxengine/nxengine-evo.git",
   "https://github.com/ocornut/imgui.git",
   "https://github.com/odamex/odamex.git",
+  "https://github.com/ohrrpgce/ohrrpgce.git",
   "https://github.com/oitofelix/mininim.git",
-  "https://github.com/omarchehab98/ioreboot.git",
+  "https://github.com/omarchehab98/io-reboot.git",
   "https://github.com/omf2097/openomf.git",
   "https://github.com/onaluf/RacerJS.git",
   "https://github.com/ooxi/violetland.git",
@@ -778,6 +775,7 @@
   "https://github.com/opentibia/server.git",
   "https://github.com/opentibia/yatc.git",
   "https://github.com/opentomb/OpenTomb.git",
+  "https://github.com/opentyrian/opentyrian.git",
   "https://github.com/openzelda/openzelda-source.git",
   "https://github.com/orx/orx.git",
   "https://github.com/osgamearchive/D-Fend-Reloaded.git",
@@ -788,6 +786,7 @@
   "https://github.com/osgamearchive/spacetraderjava.git",
   "https://github.com/ospaceteam/outerspace.git",
   "https://github.com/ozkriff/zoc.git",
+  "https://github.com/pacewar/pacewar.git",
   "https://github.com/panda3d/panda3d.git",
   "https://github.com/parogers/pgu.git",
   "https://github.com/pasky/pachi.git",
@@ -821,6 +820,7 @@
   "https://github.com/pygame/pygame.git",
   "https://github.com/pyglet/pyglet.git",
   "https://github.com/python-pillow/Pillow.git",
+  "https://github.com/python-sge/sge.git",
   "https://github.com/q-gears/q-gears.git",
   "https://github.com/q4a/scourge.git",
   "https://github.com/qbancoffee/infinite-tux.git",
@@ -864,6 +864,7 @@
   "https://github.com/sandsmark/aicompo-tg17.git",
   "https://github.com/sandsmark/freeaoe.git",
   "https://github.com/sandsmark/kart.git",
+  "https://github.com/scandum/tintin.git",
   "https://github.com/scottschiller/ArmorAlley.git",
   "https://github.com/scottschiller/SURVIVOR.git",
   "https://github.com/scummvm/scummvm.git",
@@ -890,6 +891,7 @@
   "https://github.com/snauts/game-lv.git",
   "https://github.com/soap-bubble/web.git",
   "https://github.com/soulweaver91/project-carrot.git",
+  "https://github.com/sourcehold/Sourcehold.git",
   "https://github.com/sphair/ClanLib.git",
   "https://github.com/spiderbit/canta.git",
   "https://github.com/spleennooname/shadow-of-the-beast-html5.git",
@@ -905,6 +907,8 @@
   "https://github.com/stephenjsweeney/blobwarsAttrition.git",
   "https://github.com/stepmania/stepmania.git",
   "https://github.com/stople/OpenTitus.git",
+  "https://github.com/stransky/berusky.git",
+  "https://github.com/stransky/berusky2.git",
   "https://github.com/stuntrally/stuntrally.git",
   "https://github.com/styx/Raincat.git",
   "https://github.com/subchannel13/Stareater.git",
@@ -927,7 +931,6 @@
   "https://github.com/tautvilas/epoh.git",
   "https://github.com/team-cube/open-cube.git",
   "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",
@@ -941,7 +944,6 @@
   "https://github.com/thp/numptyphysics.git",
   "https://github.com/tomsoftware/Lemmings.ts.git",
   "https://github.com/tonihele/OpenKeeper.git",
-  "https://github.com/topherredden/freestars.git",
   "https://github.com/tpcstld/2048.git",
   "https://github.com/trackballs/trackballs.git",
   "https://github.com/trananh1992/Turn-of-War.git",
@@ -1025,6 +1027,8 @@
   "https://gitlab.com/luckeyproductions/Quatter.git",
   "https://gitlab.com/luckeyproductions/heXon.git",
   "https://gitlab.com/manaplus/manaplus.git",
+  "https://gitlab.com/open-runescape-classic/core.git",
+  "https://gitlab.com/open-runescape-classic/single-player.git",
   "https://gitlab.com/osgames/aatraders.git",
   "https://gitlab.com/osgames/abe.git",
   "https://gitlab.com/osgames/ajax3d.git",
@@ -1241,9 +1245,16 @@
   "https://gitlab.gnome.org/GNOME/gtk.git",
   "https://gitlab.gnome.org/GNOME/libxml2.git",
   "https://gitlab.gnome.org/GNOME/quadrapassel.git",
-  "https://gitlab.openrsc.com/open-rsc/Game.git",
+  "https://invent.kde.org/games/granatier.git",
-  "https://gitlab.openrsc.com/open-rsc/Single-Player.git",
+  "https://invent.kde.org/games/katomic.git",
+  "https://invent.kde.org/games/kgoldrunner.git",
+  "https://invent.kde.org/games/kmines.git",
+  "https://invent.kde.org/games/ksnakeduel.git",
+  "https://invent.kde.org/games/palapeli.git",
+  "https://repo.or.cz/intricacy.git",
+  "https://repo.or.cz/openal-soft.git",
   "https://repo.or.cz/pachi.git",
+  "https://repo.or.cz/tennix.git",
   "https://salsa.debian.org/games-team/bloboats.git",
   "https://src.fedoraproject.org/rpms/blobwars.git"
  ],
@@ -1251,7 +1262,7 @@
   "http://svn.icculus.org/duke3d/",
   "http://svn.icculus.org/nexuiz/trunk/",
   "http://svn.icculus.org/rott/trunk/",
-  "http://svn.savannah.gnu.org/svn/chess",
+  "http://svn.savannah.gnu.org/svn/chess/",
   "http://svn.uktrainsim.com/svn/openrails",
   "https://rpg.hamsterrepublic.com/source/wip",
   "https://svn.code.sf.net/p/balder/code",
@@ -1333,7 +1344,6 @@
   "https://bitbucket.org/gopostal/postal-1-open-source",
   "https://bitbucket.org/mstrobel/supremacy/src",
   "https://bitbucket.org/mzeilfelder/trunk_hc1",
-  "https://bitbucket.org/opentyrian/opentyrian",
   "https://bitbucket.org/rude/love",
   "https://bitbucket.org/ryzom/ryzomcore",
   "https://bitbucket.org/sumwars/sumwars-code",

code/backlog.txt

@@ -137,6 +137,7 @@ https://app.assembla.com/spaces/openrpg/wiki
 https://app.assembla.com/spaces/Project_Valkyrie2/wiki
 https://appimage.github.io/categories/Game
 https://appimage.org/
+https://arcade.academy/
 https://archive.codeplex.com/?p=turnota
 https://archive.codeplex.com/?p=voxeliq
 https://archive.org/details/Gna_code_hosting (all of them)
@@ -280,9 +281,11 @@ https://github.com/junkdog/artemis-odb
 https://github.com/jwvhewitt/gearhead-caramel.git
 https://github.com/KDE
 https://github.com/kduske/TrenchBroom
+https://github.com/kidscancode/circle_jump
 https://github.com/kimkulling/osre
 https://github.com/klaussilveira/ioquake3.js
 https://github.com/Kosmonaut3d/DeferredEngine
+https://github.com/kyzfrintin/Godot-Mixing-Desk
 https://github.com/LgLinus/StrategyGame
 https://github.com/libretro/libretro-chailove
 https://github.com/libretro/libretro-prboom
@@ -316,6 +319,7 @@ https://github.com/opensourcedesign
 https://github.com/opentrack/opentrack
 https://github.com/OSSGames
 https://github.com/OSSGames (all there, but we should have them already)
+https://github.com/ozkriff/zemeroth
 https://github.com/Patapom/GodComplex
 https://github.com/PavelDoGreat/WebGL-Fluid-Simulation
 https://github.com/perbone/luascript
@@ -393,6 +397,7 @@ https://gitlab.com/xonlegacy/xonlegacy
 https://gitlab.openrsc.com/open-rsc
 https://gitorious.org/index-list.html (are there other interesting games)
 https://gottcode.org/ (all)
+https://invent.kde.org/games
 https://itch.io/ (scrape, look for open source)
 https://jcrpg.blogspot.de/
 https://jotd.pagesperso-orange.fr/ (several games)

code/maintenance.py

@@ -144,7 +144,10 @@ def check_validity_external_links():
     regex = re.compile(r"[\s\n]<(http.+?)>|\]\((http.+?)\)|[\s\n](http[^\s\n,]+?)[\s\n\)]")
 
     # ignore the following patterns (they give false positives here)
-    ignored_urls = ('https://git.tukaani.org/xz.git', 'https://git.code.sf.net/p/')
+    ignored_urls = ('https://git.tukaani.org/xz.git', 'https://git.code.sf.net/', 'http://hg.hedgewars.org/hedgewars/', 'https://git.xiph.org/vorbis.git', 'http://svn.uktrainsim.com/svn/openrails')
+
+    # some do redirect, but we nedertheless want the original URL in the database
+    redirect_okay = ('https://octaforge.org/', 'https://svn.openttd.org/')
 
     # extract all links from entries
     urls = {}
@@ -158,14 +161,24 @@ def check_validity_external_links():
                     # github and gitlab git URLs are shortened to not contain .git
                     if any((url.startswith(x) for x in ('https://github.com/', 'https://gitlab.com/', 'https://salsa.debian.org/', 'https://src.fedoraproject.org/', 'https://gitlab.gnome.org/GNOME/'))) and url.endswith('.git'):
                         url = url[:-4]
-                    if url.startswith('https://svn.code.sf.net/p/') and url.endswith('code'):
+                    if (url.startswith('https://svn.code.sf.net/p/') or url.startswith('http://svn.code.sf.net/p/')) and url.endswith('code'):
                         url = url + '/'
                     if url.startswith('https://bitbucket.org/') and url.endswith('.git'):
                         url = url[:-4] + '/commits/'
-                    if url.startswith('https://svn.code.sf.net/p/'):
+                    if url.startswith('https://svn.code.sf.net/p/') or url.endswith('.cvs.sourceforge.net'):
                         url = 'http' + url[5:]
-                    if url.startswith('https://git.savannah.gnu.org/git/'):
+                    if url.startswith('https://git.savannah.gnu.org/git/') or url.startswith('https://git.savannah.nongnu.org/git/') or url.startswith('http://git.artsoft.org/'):
                         url = url + '/'
+                    if url.startswith('https://anongit.freedesktop.org/git'):
+                        url = url + '/'
+                    if url.startswith('http://cvs.savannah.nongnu.org:/sources/'):
+                        url = 'http://cvs.savannah.nongnu.org/viewvc/' + url[40:]
+                    if url.startswith('http://cvs.savannah.gnu.org:/sources/'):
+                        url = 'http://cvs.savannah.gnu.org/viewvc/' + url[37:]
+                    if 'bzr.sourceforge.net/bzrroot/' in url:
+                        continue
+                    if url.endswith('.git'):
+                        url = url[:-4]
 
                     if url in urls:
                         urls[url].add(entry)
@@ -177,12 +190,17 @@ def check_validity_external_links():
     # now iterate over all urls
     for index, url in enumerate(urls.keys()):
         try:
-            r = requests.head(url, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64)'}, timeout=10, allow_redirects=True)
+            verify = True
+            # some have an expired certificate but otherwise still work
+            if any((url.startswith(x) for x in ('https://perso.b2b2c.ca/~sarrazip/dev/', 'https://dreerally.com/', 'https://henlin.net/', 'https://www.megamek.org/', 'https://pixeldoctrine.com/', 'https://gitorious.org/'))):
+                verify = False
+            r = requests.head(url, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64)'}, timeout=10, allow_redirects=True, verify=verify)
             # check for bad status
             if r.status_code != requests.codes.ok:
                 print('{}: URL {} in entry {} has status {}'.format(index, url, urls[url], r.status_code))
             # check for redirect
-            if r.history:
+            if r.history and url not in redirect_okay:
+                # only / added or http->https
                 print('{}: URL {} in entry {} was redirected to {}'.format(index, url, urls[url], r.url))
         except Exception as e:
             print('{}: URL {} in entry {} gave error {}'.format(index, url, urls[url], e))

entries/2moons_browsergame_engine.md

@@ -2,7 +2,7 @@
 
 _Space browsergame framework._
 
-- Home: https://gitter.im/2MoonsGame/Lobby/
+- Home: https://github.com/jkroepke/2Moons
 - State: mature
 - Download: https://github.com/jkroepke/2Moons/releases
 - Platform: Web

entries/alimer.md

@@ -12,4 +12,3 @@ _Cross-platform 2D and 3D game engine._
 ## Building
 
 - Build system: CMake
-- Build instructions: https://github.com/amerkoleci/alimer/blob/master/docs/compiling.md

entries/atlantis.md

@@ -2,10 +2,9 @@
 
 _PBEM Game engine which is used to create many different strategy wargames today and for the past decade._
 
-- Home: http://www.prankster.com/project/, https://sourceforge.net/projects/atlantis/, https://web.archive.org/web/20140516211231/http://www.atlantis-pbem.org/
+- Home: http://www.prankster.com/project/, https://web.archive.org/web/20151024232821/https://sourceforge.net/projects/atlantis/, https://web.archive.org/web/20140516211231/http://www.atlantis-pbem.org/
 - Media: https://en.wikipedia.org/wiki/Atlantis_PbeM
 - State: mature, inactive since 2016
-- Download: https://sourceforge.net/projects/atlantis/files/Atlantis%204/Release%204.1.0/
 - Keywords: framework
 - Code repository: https://github.com/Atlantis-PBEM/Atlantis.git, https://svn.code.sf.net/p/atlantis/code (svn)
 - Code language: C++

entries/beat_harvester.md

@@ -2,7 +2,7 @@
 
 _Shoot'em'up with focus on timing, sound and smooth 2D visuals._
 
-- Home: http://www.hectigo.net/games/beatharvester/
+- Home: https://web.archive.org/web/20190813223336/http://www.hectigo.net/games/beatharvester/
 - State: beta, inactive since 2009
 - Keywords: action, 2D, open content, shootem
 - Code repository: (see home)

entries/berusky.md

@@ -2,12 +2,12 @@
 
 _Logic game based on Sokoban, expanded with new items such as explosives, stones, special gates._
 
-- Home: http://anakreon.cz/?q=node/1, https://sourceforge.net/projects/berusky/
+- Home: https://www.anakreon.cz/berusky1.html, https://web.archive.org/web/20151026223411/https://sourceforge.net/projects/berusky/
-- State: mature, inactive since 2013
+- State: mature
-- Download: https://sourceforge.net/projects/berusky/files/
+- Download: (see home and https://web.archive.org/web/*/https://sourceforge.net/projects/berusky/files/*)
 - Platform: Windows, Linux
 - Keywords: action, logic, open content
-- Code repository: (see download)
+- Code repository: https://github.com/stransky/berusky.git
 - Code language: C++
 - Code license: GPL-3.0
 - Code dependencies: SDL

entries/berusky_ii.md

@@ -2,10 +2,10 @@
 
 _Logic game._
 
-- Home: http://anakreon.cz/?q=node/2, https://sourceforge.net/projects/berusky2/
+- Home: https://www.anakreon.cz/berusky2.html, https://web.archive.org/web/20150103190301/https://sourceforge.net/projects/berusky2/
-- State: beta, inactive since 2014
+- State: beta
 - Keywords: action, open content
-- Code repository: (see home)
+- Code repository: https://github.com/stransky/berusky2.git
 - Code language: C++
 - Code license: GPL-3.0
 - Assets license: GPL-2.0

entries/blitwizard.md

@@ -1,6 +1,6 @@
 # Blitwizard
 
-_2d engine that runs Lua scripts._
+_2D engine that runs Lua scripts._
 
 - Home: https://github.com/jtc0de/Blitwizard
 - State: beta, inactive since 2015

entries/boost_c++_libraries.md

@@ -19,6 +19,6 @@ Uses its own Build process
 
 2017-11 (1.65.1)
 - Much is header only, but some parts require building
-- Follow [Getting started on Windows](http://www.boost.org/doc/libs/1_65_1/more/getting_started/windows.html) or [Getting started on Unix variants](http://www.boost.org/doc/libs/1_65_1/more/getting_started/unix-variants.html)
+- Follow [Getting started on Windows](https://www.boost.org/doc/libs/1_65_1/more/getting_started/windows.html) or [Getting started on Unix variants](https://www.boost.org/doc/libs/1_65_1/more/getting_started/unix-variants.html)
 - Building on Windows with MSVC 2017 requires a workaround (see [issue #13197](https://svn.boost.org/trac10/ticket/13197))
 - With MSVC 2015 run "bootstrap vc14" followed by "b2 toolset=msvc-14.0 stage"

entries/browserquest.md

@@ -2,9 +2,10 @@
 
 _A Massively Multiplayer Adventure._
 
-- Home: http://browserquest.mozilla.org/
+- Home: http://browserquest.herokuapp.com/
 - Media: https://en.wikipedia.org/wiki/BrowserQuest
 - State: mature
+- Play: (see home)
 - Keywords: role playing, multiplayer online + massive
 - Code repository: https://github.com/mozilla/BrowserQuest.git
 - Code language: JavaScript

entries/c-evo.md

@@ -7,7 +7,7 @@ _C-evo is a freeware empire building game for Windows._
 - State: mature, inactive since 2013
 - Download: http://www.c-evo.org/files/files.php
 - Keywords: strategy, clone, inspired by Civilization II, turn-based
-- Code repository: https://github.com/vn971/cevo.git (and also download http://www.c-evo.org/files/download.php?cevosrc.cevosrc.zip)
+- Code repository: https://github.com/vn971/cevo.git (and also download http://c-evo.org/files/cevosrc.zip)
 - Code language: Pascal
 - Code license: Public domain (original project), GPL-3.0 (Github project) 
 

entries/cataclysm_dark_days_ahead.md

@@ -18,4 +18,4 @@ Fork of [Cataclysm](cataclysm.md)
 ## Building
 
 - Build system: Make
-- Build instructions: https://github.com/CleverRaven/Cataclysm-DDA/blob/master/COMPILING.md
+- Build instructions: https://github.com/CleverRaven/Cataclysm-DDA/blob/master/doc/COMPILING/COMPILING.md

entries/crappybird.md

@@ -2,8 +2,9 @@
 
 _Remake of Flappy Bird._
 
-- Home: https://varunpant.com/static/resources/CrappyBird/index.html
+- Home: https://varunpant.com/resources/CrappyBird/index.html
 - State: mature, inactive since 2017
+- Play: (see home)
 - Keywords: puzzle, inspired by Flappy Bird, remake
 - Code repository: https://github.com/varunpant/CrappyBird.git
 - Code language: JavaScript

entries/desktopadventures.md

@@ -9,7 +9,7 @@ _Remake of Indiana Jones and his Desktop Adventures, Star Wars: Yoda Stories._
 - Code language: C
 - Code license: LGPL-2.1
 
-See also https://github.com/digitall/scummvm-deskadv.
+See also https://github.com/digitall/scummvm-deskadv
 
 ## Building
 

entries/digital_a_love_story.md

@@ -12,6 +12,6 @@ _A computer mystery/romance set five minutes into the future of 1988._
 - Code language: Ren'py
 - Code license: CC-BY-NC-SA-3.0 (see home)
 
-See also http://loveconquersallgam.es/tagged/digital%3A-a-love-story
+See also https://loveconquersallgam.es/tagged/digital%3A-a-love-story
 
 ## Building

entries/doom-ios.md

@@ -2,9 +2,9 @@
 
 _Remake of Doom, Doom II, Heretic, Hexen._
 
-- Home: http://iphone.keyvisuals.com/apps/doom-classic-for-iphone-source-code-available/
+- Home: https://github.com/id-Software/DOOM-iOS, https://web.archive.org/web/20130404071629/http://iphone.keyvisuals.com:80/apps/doom-classic-for-iphone-source-code-available
 - State: mature, inactive since 2012
-- Download: http://www.idsoftware.com/idstuff/doom/doomclassic_ios_v21_src.zip
+- Download: https://www.idsoftware.com/idstuff/doom/doomclassic_ios_v21_src.zip
 - Platform: iOS
 - Keywords: action, commercial content, inspired by Doom + Doom II + Heretic + Hexen, remake, requires original content, shooter
 - Code repository: https://github.com/id-Software/DOOM-iOS.git

entries/dreerally.md

@@ -2,7 +2,7 @@
 
 _Death Rally engine reimplementation._
 
-- Home: http://dreerally.com/
+- Home: https://dreerally.com/
 - State: beta
 - Keywords: game engine, commercial content, inspired by Death Rally, remake, requires original content
 - Code repository: https://github.com/enriquesomolinos/DreeRally.git

entries/drl.md

@@ -8,7 +8,7 @@ _Fast and furious coffee-break Roguelike game that is heavily inspired by Doom._
 - Download: https://drl.chaosforge.org/downloads
 - Platform: Windows, Linux, macOS
 - Keywords: role playing, roguelike
-- Code repository: https://github.com/ChaosForge/doomrl.git
+- Code repository: https://github.com/chaosforgeorg/doomrl.git
 - Code language: Lua, Pascal
 - Code license: GPL-2.0
 

entries/duck_marines.md

@@ -2,7 +2,7 @@
 
 _Remake of ChuChu Rocket!._
 
-- Home: http://tangramgames.dk/games/duckmarines/
+- Home: https://tangramgames.dk/games/duckmarines/
 - State: mature, inactive since 2016
 - Download: https://github.com/SimonLarsen/duckmarines/releases
 - Platform: Windows, Linux (using LÖVE), macOS

entries/dwarfcorp.md

@@ -6,7 +6,7 @@ _Manage a corporate colony of dwarves._
 - State: mature
 - Platform: Windows, Linux, macOS
 - Keywords: strategy, commercial content, game engine
-- Code repository: https://github.com/CompletelyFairGames/dwarfcorp.git
+- Code repository: https://github.com/Blecki/dwarfcorp.git
 - Code language: C#
 - Code license: MIT
 - Code dependencies: MonoGame, XNA

entries/f-1_spirit.md

@@ -4,7 +4,7 @@ _Remake of F-1 Spirit._
 
 - Home: https://web.archive.org/web/20190614065451/http://www.braingames.getput.com/f1spirit/
 - State: beta, inactive since 2009
-- Download: http://braingames.jorito.net/f1spirit/f1spirit.src_0.rc9-1615.tgz
+- Download: https://braingames.jorito.net/f1spirit/f1spirit.src_0.rc9-1615.tgz
 - Platform: Windows, Linux, macOS
 - Keywords: simulation, free content, inspired by F-1 Spirit, remake
 - Code repository: (see download)

entries/fairy-max.md

@@ -5,7 +5,7 @@ _Fairy-Max is a xboard compatible chess engine for playing user defined chess va
 - Home: http://home.hccnet.nl/h.g.muller/CVfairy.html, https://web.archive.org/web/20150412073152/http://www.chessvariants.org/index/msdisplay.php?itemid=MSfairy-max
 - Media: https://en.wikipedia.org/wiki/Fairy-Max
 - State: mature, inactive since 2018
-- Download: http://home.hccnet.nl/h.g.muller/fairymax.tar.gz
+- Download: https://home.hccnet.nl/h.g.muller/fairymax.tar.gz
 - Keywords: simulation, chess
 - Code repository: (http://hgm.nubati.net/cgi-bin/gitweb.cgi?p=fairymax.git)
 - Code language: C

entries/flappy_cow.md

@@ -4,7 +4,6 @@ _Flappy Bird style game._
 
 - Home: https://github.com/cubei/FlappyCow
 - State: mature
-- Download: https://play.google.com/store/apps/details?id=com.quchen.flappycow
 - Platform: Android
 - Keywords: remake, inspired by Flappy Bird, skill
 - Code repository: https://github.com/cubei/FlappyCow.git

entries/flare.md

@@ -2,16 +2,16 @@
 
 _Flare (Free Libre Action Roleplaying Engine) is a simple game engine built to handle a very specific kind of game: single-player 2D action RPGs._
 
-- Home: http://flarerpg.org/, https://github.com/clintbellanger/flare-engine
+- Home: https://flarerpg.org/, https://github.com/clintbellanger/flare-engine
 - State: mature
-- Download: http://flarerpg.org/index.php/download/, https://github.com/clintbellanger/flare-engine/releases
+- Download: https://flarerpg.org/index.php/download/, https://github.com/clintbellanger/flare-engine/releases
 - Platform: Windows, Linux, macOS
 - Keywords: game engine, clone, framework, inspired by Diablo
 - Code repository: https://github.com/clintbellanger/flare-engine.git
 - Code language: C++, Java
 - Code license: GPL-3.0
 
-See also [Get Involved](http://flarerpg.org/index.php/get-involved/). See also the [Flare game](https://github.com/clintbellanger/flare-game).
+See also [Get Involved](https://flarerpg.org/index.php/get-involved/). See also the [Flare game](https://github.com/clintbellanger/flare-game).
 
 ## Building
 

entries/flf.md

@@ -2,7 +2,7 @@
 
 _Clone of Little Fighter 2._
 
-- Home: http://project-f.github.io/, https://www.ProjectF.hk/F.LF
+- Home: http://project-f.github.io/, https://web.archive.org/web/20190629133825/https://www.projectf.hk/F.LF/
 - State: mature
 - Platform: Web
 - Keywords: framework, clone, content commercial, inspired by Little Fighter 2 (http://lf2.net/), requires original content

entries/freedroidrpg.md

@@ -2,10 +2,10 @@
 
 _Open source role playing game._
 
-- Home: http://www.freedroid.org/, https://sourceforge.net/projects/freedroid/
+- Home: https://www.freedroid.org/, https://sourceforge.net/projects/freedroid/
 - Media: https://de.wikipedia.org/wiki/FreedroidRPG (German)
 - State: mature
-- Download: http://www.freedroid.org/download/
+- Download: https://www.freedroid.org/download/
 - Keywords: role playing, clone, inspired by Paradroid, isometric
 - Code repository: https://gitlab.com/freedroid/freedroid-src.git, https://git.code.sf.net/p/freedroid/code
 - Code language: C, C++, Lua

entries/freeorion.md

@@ -5,7 +5,7 @@ _Turn-based space empire and galactic conquest (4X) computer game._
 - Home: https://www.freeorion.org/index.php/Main_Page, https://sourceforge.net/projects/freeorion/
 - Media: https://en.wikipedia.org/wiki/Master_of_Orion#External_links
 - State: beta
-- Download: http://www.freeorion.org/index.php/Download
+- Download: https://www.freeorion.org/index.php/Download
 - Keywords: strategy, inspired by Master of Orion 1 + Master of Orion 2, open content, remake, turn-based
 - Code repository: https://github.com/freeorion/freeorion.git, https://svn.code.sf.net/p/freeorion/code (svn)
 - Code language: C++, Python

entries/freestars.md

@@ -5,7 +5,7 @@ _Project to create an easily modifiable clone of the 4X turn-based strategy game
 - Home: http://freestars.sourceforge.net/, https://sourceforge.net/projects/freestars/
 - State: beta, inactive since 2008
 - Keywords: strategy, inspired by Stars!, remake
-- Code repository: https://github.com/topherredden/freestars.git (backup of svn), https://svn.code.sf.net/p/freestars/code (svn)
+- Code repository: https://github.com/christopherredden/freestars.git (backup of svn), https://svn.code.sf.net/p/freestars/code (svn)
 - Code language: C++
 - Code license: GPL-2.0
 

entries/gcompris.md

@@ -2,7 +2,7 @@
 
 _Educational software suite comprising of numerous activities for children aged 2 to 10._
 
-- Home: http://gcompris.net/
+- Home: https://gcompris.net/index-en.html
 - State: mature, inactive since 2016
 - Download: https://gcompris.net/downloads-en.html
 - Platform: Windows, Linux, macOS, Android

entries/gearhead_2.md

@@ -2,9 +2,9 @@
 
 _Futuristic roguelike, sequel to GearHead._
 
-- Home: http://www.gearheadrpg.com/
+- Home: https://www.gearheadrpg.com/
 - State: beta
-- Download: http://www.gearheadrpg.com/downloads/, https://sourceforge.net/projects/gearhead2/files/gearhead2/
+- Download: https://www.gearheadrpg.com/downloads/, https://sourceforge.net/projects/gearhead2/files/gearhead2/
 - Keywords: role playing, inspired by GearHead, open content, roguelike
 - Code repository: https://github.com/jwvhewitt/gearhead-2.git, https://svn.code.sf.net/p/gearhead2/code (svn)
 - Code language: Pascal

entries/gemrb.md

@@ -2,9 +2,9 @@
 
 _GemRB is a portable open-source implementation of Bioware's Infinity Engine._
 
-- Home: http://www.gemrb.org/wiki/doku.php?id=start
+- Home: https://www.gemrb.org/wiki/doku.php?id=start
 - State: mature
-- Download: http://www.gemrb.org/wiki/doku.php?id=download
+- Download: https://www.gemrb.org/wiki/doku.php?id=download
 - Keywords: framework, 2D, inspired by Baldur's Gate + Icewind Dale + Planescape: Torment, isometric, remake, requires original content
 - Code repository: https://github.com/gemrb/gemrb.git
 - Code language: C++, Python

entries/ges-code.md

@@ -2,7 +2,7 @@
 
 _Remake of GoldenEye 007._
 
-- Home: http://geshl2.com/
+- Home: https://geshl2.com/
 - State: mature
 - Download: (see home)
 - Keywords: action, inspired by GoldenEye 007, remake, requires original engine (?), shooter

entries/glportal.md

@@ -2,7 +2,7 @@
 
 _Remake of Portal._
 
-- Home: http://glportal.de/
+- Home: https://glportal.de/
 - State: beta
 - Keywords: platform, inspired by Portal, puzzle, remake
 - Code repository: https://github.com/GlPortal/glPortal.git

entries/gnu_chess.md

@@ -5,16 +5,17 @@ _Chess game._
 - Home: https://www.gnu.org/software/chess/, http://savannah.gnu.org/projects/chess/
 - Media: https://en.wikipedia.org/wiki/GNU_Chess
 - State: mature, inactive since 2017
-- Download: http://ftpmirror.gnu.org/chess/
+- Download: http://ftp.thunix.net/gnu-ftp/chess/
 - Platform: Windows, Linux, macOS
 - Keywords: strategy, chess, game engine, open content
-- Code repository: http://svn.savannah.gnu.org/svn/chess (svn), http://cvs.savannah.gnu.org:/sources/chess (cvs)
+- Code repository: http://svn.savannah.gnu.org/svn/chess/ (svn), http://cvs.savannah.gnu.org:/sources/chess (cvs)
 - Code language: C++
 - Code license: GPL-3.0
 - Assets license: None
+- Developer: Chua Kong Sian, Stuart Cracraft, Lukas Geyer, Simon Waters
 
 Can be used together with a graphical frontend such as XBoard.
-Windows binaries via https://sourceforge.net/projects/gnuwin32/-Developer:: Chua Kong Sian, Stuart Cracraft, Lukas Geyer, Simon Waters
+Windows binaries via https://sourceforge.net/projects/gnuwin32/
 
 ## Building
 

entries/go_ollie.md

@@ -4,7 +4,7 @@ _Go Ollie! is a mouse controlled platformer about an earth worm._
 
 - Home: http://www.charliedoggames.com/?page_id=62, https://web.archive.org/web/20111013005011/http://www.tweeler.com/index.php?PAGE=goollie_linux
 - State: mature, inactive since 2011
-- Download: https://web.archive.org/web/20111013005011/http://www.tweeler.com/GoOllie_13.sh
+- Download: https://web.archive.org/web/20111209123851/http://www.tweeler.com/GoOllie_13.sh
 - Platform: Windows, Linux
 - Keywords: platform, open content
 - Code repository: (see download)

entries/godot.md

@@ -14,4 +14,4 @@ _Godot is an advanced, feature-packed, multi-platform 2D and 3D open source game
 ## Building
 
 - Build system: Scons
-- Build instructions: http://docs.godotengine.org/en/latest/development/compiling/
+- Build instructions: https://docs.godotengine.org/en/latest/development/compiling/

entries/granatier.md

@@ -2,10 +2,10 @@
 
 _Clone of Bomberman._
 
-- Home: https://kde.org/applications/games/org.kde.granatier
+- Home: https://invent.kde.org/games/granatier
 - State: mature
 - Keywords: action, clone, inspired by Bomberman, multiplayer competitive, open content
-- Code repository: https://anongit.kde.org/granatier.git
+- Code repository: https://invent.kde.org/games/granatier.git
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: Qt

entries/greentwips_harvest_moon.md

@@ -2,7 +2,7 @@
 
 _Remake of Story of Seasons series._
 
-- Home: http://twitter.com/GreentwipHealth
+- Home: https://twitter.com/GreentwipHealth
 - State: beta
 - Keywords: remake, commercial content (?), inspired by Story of Seasons series
 - Code repository: https://github.com/greentwip/HarvestMoon.git

entries/grit_game_engine.md

@@ -2,9 +2,8 @@
 
 _Tool of Grand Theft Auto: San Andreas._
 
-- Home: http://www.gritengine.com/
+- Home: https://github.com/grit-engine/grit-engine, https://web.archive.org/web/20190902110513/http://www.gritengine.com/
 - State: beta
-- Download: http://www.gritengine.com/download
 - Keywords: game engine, commercial content, framework, inspired by Grand Theft Auto: San Andreas
 - Code repository: https://github.com/grit-engine/grit-engine.git
 - Code language: C++, Python

entries/gtk.md

@@ -4,7 +4,7 @@ _Multi-platform toolkit for creating graphical user interfaces._
 
 - Home: https://www.gtk.org/
 - State: mature
-- Download: https://www.gtk.org/download/index.php
+- Download: https://www.gtk.org/docs/installations/
 - Platform: Windows, Linux, macOS
 - Keywords: library
 - Code repository: https://gitlab.gnome.org/GNOME/gtk.git

entries/hale.md

@@ -2,7 +2,7 @@
 
 _A turn based RPG with deep tactical combat and character customization._
 
-- Home: https://sourceforge.net/projects/hale/, https://sourceforge.net/p/hale/wiki/Home/, http://halegame.com
+- Home: https://sourceforge.net/projects/hale/, https://sourceforge.net/p/hale/wiki/Home/, https://halegame.com
 - State: beta, inactive since 2014
 - Download: https://sourceforge.net/projects/hale/files/
 - Keywords: role playing, turn-based

entries/hardwar.md

@@ -2,7 +2,7 @@
 
 _Remake of Hardwar._
 
-- Home: http://www.hardwar.org/
+- Home: http://hardwar.org/
 - State: beta, inactive since 2015
 - Keywords: simulation, flight, inspired by Hardwar, remake
 - Code repository: https://github.com/andrewfenn/Hardwar.git
@@ -10,7 +10,7 @@ _Remake of Hardwar._
 - Code license: GPL-3.0
 - Code dependencies: OGRE
 
-Is it playable?
+Is it playable, really beta?
 
 ## Building
 

entries/harfbuzz.md

@@ -2,7 +2,7 @@
 
 _OpenType text shaping engine._
 
-- Home: https://www.freedesktop.org/wiki/Software/HarfBuzz/
+- Home: https://harfbuzz.github.io/, https://web.archive.org/web/20200616182117/https://www.freedesktop.org/wiki/Software/HarfBuzz/
 - Media: https://en.wikipedia.org/wiki/HarfBuzz
 - State: mature
 - Download: (see home)

entries/haxeflixel.md

@@ -2,9 +2,9 @@
 
 _Create cross-platform games easier and free._
 
-- Home: http://haxeflixel.com/
+- Home: https://haxeflixel.com/
 - State: mature
-- Download: http://haxeflixel.com/documentation/getting-started/
+- Download: https://haxeflixel.com/documentation/getting-started/
 - Keywords: framework
 - Code repository: https://github.com/HaxeFlixel/flixel.git
 - Code language: Haxe

entries/hextris.md

@@ -2,7 +2,7 @@
 
 _Clone of Tetris._
 
-- Home: https://hextris.github.io/, http://hextris.io/
+- Home: https://hextris.github.io/, https://hextris.io/
 - State: mature
 - Keywords: puzzle, clone, inspired by Tetris
 - Code repository: https://github.com/Hextris/Hextris.git

entries/hoverrace.md

@@ -2,9 +2,9 @@
 
 _Remake of HoverRace._
 
-- Home: http://www.hoverrace.com/
+- Home: https://web.archive.org/web/20200310133907/http://www.hoverrace.com/
 - State: mature, inactive since 2016
-- Download: http://www.hoverrace.com/?page=download
+- Download: https://web.archive.org/web/20191221023553/http://www.hoverrace.com/?page=download
 - Platform: Windows
 - Keywords: sports, 3D, inspired by HoverRace, racing, remake
 - Code repository: https://github.com/HoverRace/HoverRace.git

entries/ice_breaker.md

@@ -2,7 +2,7 @@
 
 _Remake of JezzBall._
 
-- Home: http://mattdm.org/icebreaker/
+- Home: https://mattdm.org/icebreaker/
 - State: mature, inactive since 2003
 - Download: https://mattdm.org/icebreaker/download.shtml
 - Platform: Windows, Linux

entries/ilarion.md

@@ -2,9 +2,9 @@
 
 _Free Open Source-MMORPG, with emphasis on real roleplay._
 
-- Home: http://illarion.org/general/de_startpage.php (German)
+- Home: https://illarion.org/general/de_startpage.php (German)
 - State: mature
-- Download: http://illarion.org/illarion/de_java_download.php
+- Download: https://illarion.org/illarion/de_java_download.php
 - Keywords: role playing, multiplayer online + massive
 - Code repository: https://github.com/Illarion-eV/Illarion-Java.git (https://github.com/Illarion-eV), https://github.com/Illarion-eV/Illarion-Server.git (+), https://github.com/Illarion-eV/Illarion-Content.git (+)
 - Code language: C++, Java, Lua

entries/inexor.md

@@ -6,7 +6,7 @@ _Remake of Cube 2: Sauerbraten._
 - Media: <https://en.wikipedia.org/wiki/Ace_of_Spades_(video_game)>
 - State: beta, inactive since 2018
 - Keywords: remake, inspired by Cube 2: Sauerbraten
-- Code repository: https://github.com/inexor-game/code.git (archived)
+- Code repository: https://github.com/inexorgame/inexor-core.git (archived)
 - Code language: C++, JavaScript
 - Code license: zlib
 - Code dependencies: Cube 2

entries/intricacy.md

@@ -6,7 +6,7 @@ _Intricacy is a multiplayer lock-picking puzzle game, in which players design lo
 - State: beta
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, text-based
-- Code repository: http://repo.or.cz/intricacy.git
+- Code repository: https://repo.or.cz/intricacy.git
 - Code language: Haskell
 - Code license: GPL-3.0
 - Code dependencies: curses, SDL

entries/io_reboot.md

@@ -2,10 +2,10 @@
 
 _Clone of Infinity Loop._
 
-- Home: https://github.com/omarchehab98/
+- Home: https://github.com/omarchehab98/io-reboot
 - State: mature, inactive since 2017
 - Keywords: puzzle, clone, inspired by Infinity Loop, open content
-- Code repository: https://github.com/omarchehab98/ioreboot.git (archived)
+- Code repository: https://github.com/omarchehab98/io-reboot.git (archived)
 - Code language: C#
 - Code license: MIT
 - Code dependencies: Unity

entries/ioquake3.md

@@ -2,7 +2,7 @@
 
 _Remake of Quake 3._
 
-- Home: http://ioquake3.org/
+- Home: https://ioquake3.org/
 - State: mature
 - Download: https://ioquake3.org/get-it/
 - Platform: Windows, Linux, macOS

entries/iron_seed.md

@@ -5,7 +5,7 @@ _Remake of Iron Seed._
 - Home: https://web.archive.org/web/20150725164943/http://www.ironseed.com/
 - Media: https://en.wikipedia.org/wiki/Iron_Seed
 - State: mature, inactive since 2013
-- Download: https://web.archive.org/web/20150725164943/http://www.ironseed.com/ironseed-v1.20.0016-2013-03-17.zip
+- Download: https://web.archive.org/web/20150802151352/http://www.ironseed.com/ironseed-v1.20.0016-2013-03-17.zip
 - Keywords: remake, inspired by Iron Seed
 - Code repository: (see download)
 - Code language: Pascal

entries/jamp.md

@@ -2,7 +2,7 @@
 
 _Jamp is a physics puzzle game. The player controls a squirrel character inside a wheel-like cage, using contraptions and the laws of physics to move the character to the destination._
 
-- Home: http://perre.noud.ch/jamp/
+- Home: https://perre.noud.ch/jamp/
 - State: beta, inactive since 2009
 - Platform: Windows, Linux, macOS
 - Keywords: puzzle, open content, physics

entries/jewelthief.md

@@ -6,7 +6,7 @@ _Remake of Jewel Thief._
 - State: mature, inactive since 2016
 - Platform: Android
 - Keywords: arcade, inspired by Jewel Thief, remake
-- Code repository: https://github.com/frittatenbank/jewelthief.git
+- Code repository: https://github.com/cdetamble/jewelthief.git
 - Code language: Java
 - Code license: GPL-3.0
 - Code dependencies: libGDX

entries/jfduke3d.md

@@ -2,11 +2,10 @@
 
 _Remake of Duke Nukem 3D._
 
-- Home: http://www.jonof.id.au/jfduke3d
+- Home: http://www.jonof.id.au/jfduke3d/
 - State: beta, inactive since 2005
-- Download: http://www.jonof.id.au/downloads?cat=1
 - Keywords: game engine, commercial content, inspired by Duke Nukem 3D, multiplayer LAN, remake, shooter
-- Code repository: (see download)
+- Code repository: https://github.com/jonof/jfduke3d.git
 - Code language: C
 - Code license: GPL-2.0
 

entries/jigs_interactive_game_system.md

@@ -5,7 +5,7 @@ _Online RPG engine built in php._
 - Home: https://web.archive.org/web/20180318104050/http://www.eclecticmeme.com/
 - State: beta
 - Keywords: framework, online
-- Code repository: https://github.com/EMC23/JiGS-PHP-RPG-engine.git
+- Code repository: https://github.com/Techbot/JiGS-PHP-RPG-engine.git
 - Code language: JavaScript, PHP
 - Code license: GPL-3.0
 

entries/jmonkeyengine.md

@@ -2,7 +2,7 @@
 
 _Game engine, made especially for Java game developers who want to create 3D games._
 
-- Home: http://jmonkeyengine.org/
+- Home: https://jmonkeyengine.org/
 - Media: https://en.wikipedia.org/wiki/JMonkeyEngine
 - State: mature
 - Download: https://github.com/jMonkeyEngine/sdk/releases

entries/jonofs_shadow_warrior_port_jfsw.md

@@ -2,12 +2,11 @@
 
 _Remake of Shadow Warrior._
 
-- Home: http://www.jonof.id.au/jfsw
+- Home: http://www.jonof.id.au/jfsw/
 - State: beta, inactive since 2005
-- Download: http://www.jonof.id.au/downloads?cat=2
 - Platform: Windows
 - Keywords: remake, inspired by Shadow Warrior
-- Code repository: (see download)
+- Code repository: https://github.com/jonof/jfsw.git
 - Code language: C
 - Code license: GPL-2.0
 

entries/jsfo.md

@@ -5,7 +5,7 @@ _Remake of Fallout 2._
 - Home: https://github.com/ajxs/jsFO
 - Media: https://en.wikipedia.org/wiki/Fallout_2
 - State: beta, inactive since 2017
-- Play: http://ajxs.github.io/jsFO (demo)
+- Play: http://ajxs.github.io/jsFO/ (demo)
 - Keywords: role playing, commercial content, inspired by Fallout 2, remake, requires original content
 - Code repository: https://github.com/ajxs/jsFO.git
 - Code language: JavaScript, Python

entries/kam_remake.md

@@ -2,9 +2,9 @@
 
 _An unofficial fan-made mod for the game Knights and Merchants._
 
-- Home: http://www.kamremake.com/
+- Home: https://www.kamremake.com/
 - State: mature
-- Download: http://www.kamremake.com/download/
+- Download: https://www.kamremake.com/download/
 - Keywords: strategy, inspired by Knights and Merchants, real time, remake, requires original content
 - Code repository: https://github.com/Kromster80/kam_remake.git
 - Code language: Pascal

entries/katomic.md

@@ -2,10 +2,10 @@
 
 _Fun educational game built around molecular geometry. It employs simplistic two-dimensional looks at different chemical elements._
 
-- Home: https://www.kde.org/applications/games/katomic/, https://games.kde.org/game.php?game=katomic
+- Home: https://kde.org/applications/en/games/org.kde.katomic, https://games.kde.org/game.php?game=katomic
 - State: mature
 - Keywords: puzzle, inspired by Atomix, remake
-- Code repository: https://anongit.kde.org/katomic.git
+- Code repository: https://invent.kde.org/games/katomic.git
 - Code language: C++
 - Code license: GPL-2.0
 

entries/kgoldrunner.md

@@ -2,10 +2,10 @@
 
 _Remake of Lode Runner._
 
-- Home: https://www.kde.org/applications/games/kgoldrunner/
+- Home: https://kde.org/applications/en/games/org.kde.kgoldrunner
 - State: mature
 - Keywords: action, inspired by Lode Runner, remake
-- Code repository: https://anongit.kde.org/kgoldrunner.git
+- Code repository: https://invent.kde.org/games/kgoldrunner.git
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: SDL2

entries/kiki_the_nano_bot.md

@@ -1,6 +1,6 @@
 # kiki the nano bot
 
-_3-D puzzle game, a mixture of the games Sokoban and Kula-World._
+_3D puzzle game, a mixture of the games Sokoban and Kula-World._
 
 - Home: http://kiki.sourceforge.net/, https://sourceforge.net/projects/kiki/
 - Media: https://en.wikipedia.org/wiki/Kiki_the_nano_bot

entries/kittenmaxit.md

@@ -7,7 +7,7 @@ _Remake of Maxit._
 - State: beta
 - Platform: Android
 - Keywords: strategy, inspired by Maxit, remake
-- Code repository: https://github.com/ahmetkasif/KittenMaxit.git
+- Code repository: https://github.com/ahmetkasif/kmaxit.git
 - Code language: Java
 - Code license: MIT
 - Code dependencies: libGDX

entries/kknd.md

@@ -2,10 +2,9 @@
 
 _Remake of Krush, Kill 'n' Destroy._
 
-- Home: https://www.kknd-game.com/
+- Home: https://www.kknd-game.com/, https://web.archive.org/web/20190106081136/https://www.kknd-game.com/
 - Media: <https://en.wikipedia.org/wiki/KKnD_(video_game)#Open_source_remake>
 - State: beta
-- Download: https://www.kknd-game.com/download
 - Platform: Windows, Linux, macOS
 - Keywords: remake, commercial content, inspired by Krush Kill 'n' Destroy, requires original content (?)
 - Code repository: https://github.com/IceReaper/KKnD.git

entries/klooni_1010.md

@@ -4,7 +4,7 @@ _Clone of the puzzle game 1010!_
 
 - Home: https://lonami.dev/klooni/
 - State: beta
-- Download: https://f-droid.org/de/packages/io.github.lonamiwebs.klooni/
+- Download: https://f-droid.org/packages/dev.lonami.klooni/
 - Platform: Android
 - Keywords: puzzle, inspired by 1010!
 - Code repository: https://github.com/LonamiWebs/Klooni1010.git

entries/kmines.md

@@ -6,7 +6,7 @@ _Mostly classical minesweeper puzzle game from the KDEGames division of the KDE
 - State: mature
 - Platform: Windows (?), Linux
 - Keywords: puzzle, minesweeper, open content
-- Code repository: https://anongit.kde.org/kmines.git
+- Code repository: https://invent.kde.org/games/kmines.git
 - Code language: C++
 - Code license: GPL-2.0
 - Code dependencies: KDE Frameworks

entries/ksnakeduel.md

@@ -5,7 +5,7 @@ _Snake Duel for KDE (KSnake) is a snake game in the KDEGames division of KDE 4._
 - Home: https://kde.org/applications/games/org.kde.ksnakeduel, https://packages.debian.org/search?keywords=ksnake
 - State: mature
 - Keywords: puzzle, open content, snake-like
-- Code repository: https://anongit.kde.org/ksnakeduel.git
+- Code repository: https://invent.kde.org/games/ksnakeduel.git
 - Code language: C++
 - Code license: GPL-2.0
 - Assets license: GPL-2.0

entries/l-echo.md

@@ -2,7 +2,7 @@
 
 _Remake of Echochrome._
 
-- Home: https://code.google.com/p/l-echo/
+- Home: https://code.google.com/archive/p/l-echo
 - State: beta, inactive since 2016
 - Download: https://storage.googleapis.com/google-code-archive-source/v2/code.google.com/l-echo/source-archive.zip
 - Keywords: puzzle, inspired by Echochrome, remake

entries/ladder.md

@@ -2,7 +2,7 @@
 
 _Remake of Ladder._
 
-- Home: http://ostermiller.org/ladder/
+- Home: https://ostermiller.org/ladder/
 - State: mature, inactive since 2005
 - Download: https://ostermiller.org/ladder/download.html
 - Keywords: arcade, inspired by Ladder, remake, text-based

entries/libgdx.md

@@ -2,10 +2,10 @@
 
 _Desktop/Android/BlackBerry/iOS/HTML5 Java game development framework._
 
-- Home: http://libgdx.badlogicgames.com/
+- Home: https://libgdx.badlogicgames.com/
 - Media: https://en.wikipedia.org/wiki/LibGDX
 - State: mature
-- Download: http://libgdx.badlogicgames.com/download.html
+- Download: https://libgdx.badlogicgames.com/download.html
 - Keywords: framework
 - Code repository: https://github.com/libgdx/libgdx.git
 - Code language: Java, C++, C

entries/linleys_dungeon_crawl.md

@@ -3,7 +3,7 @@
 _Roguelike molded in the tradition of the early greats of the genre: Rogue, Hack, and Moria._
 
 - Home: http://www.dungeoncrawl.org/ (https://web.archive.org/web/20180727134558/http://www.dungeoncrawl.org/)
-- Media: https://en.wikipedia.org/wiki/Linley%27s_Dungeon_Crawl, http://nethack.wikia.com/wiki/Linley%27s_Dungeon_Crawl
+- Media: https://en.wikipedia.org/wiki/Linley%27s_Dungeon_Crawl, https://nethack.wikia.com/wiki/Linley%27s_Dungeon_Crawl
 - State: mature, inactive since 2006
 - Download: http://www.dungeoncrawl.org/?d (ftp://ftp.dungeoncrawl.org/)
 - Keywords: role playing, roguelike
@@ -11,7 +11,7 @@ _Roguelike molded in the tradition of the early greats of the genre: Rogue, Hack
 - Code language: C
 - Code license: Custom (Crawl General Public License)
 
-See also https://github.com/alexjurkiewicz/crawl-4.0b26, https://github.com/Elronnd/dungeoncrawl
+See also https://github.com/alexjurkiewicz/crawl-4.0b26, https://github.com/moon-chilled/dungeoncrawl
 See also https://web.archive.org/web/20150514232454/http://dungeoncrawl.org/?w.d
 
 ## Building

entries/lionheart_remake.md

@@ -5,7 +5,7 @@ _Remake of Lionheart._
 - Home: https://www.b3dgs.com/v7/page.php?lang=en&section=lionheart_remake
 - State: beta, inactive since 2018
 - Keywords: platform, 2D, inspired by Lionheart, remake, scrolling
-- Code repository: https://github.com/DjThunder/lionheart-remake.git
+- Code repository: https://github.com/b3dgs/lionheart-remake.git
 - Code language: Java
 - Code license: GPL-3.0
 - Code dependencies: LionEngine

entries/lttp-phaser.md

@@ -2,10 +2,10 @@
 
 _Remake of Legend of Zelda - A Link to the Past._
 
-- Home: https://github.com/englercj/lttp-phaser
+- Home: https://github.com/englercj/lttp
 - State: beta, inactive since 2016
 - Keywords: role playing, commercial content, inspired by Legend of Zelda - A Link to the Past, remake, requires original content
-- Code repository: https://github.com/englercj/lttp-phaser.git
+- Code repository: https://github.com/englercj/lttp.git
 - Code language: TypeScript, JavaScript
 - Code license: MIT
 - Code dependencies: Phaser, WebGL

entries/lzma_sdk.md

@@ -2,17 +2,17 @@
 
 _The LZMA SDK provides the documentation, samples, header files, libraries, and tools you need to develop applications that use LZMA compression._
 
-- Home: http://7-zip.org/
+- Home: https://7-zip.org/
 - Media: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Markov_chain_algorithm
 - State: mature
-- Download: http://7-zip.org/download.html, http://7-zip.org/sdk.html
+- Download: https://7-zip.org/download.html, https://7-zip.org/sdk.html
 - Keywords: library
 - Code repository: (see download)
 - Code language: C
 - Code license: LGPL-2.0
 
 Windows only.
-For Linux see [p7zip](https://sourceforge.net/projects/p7zip/), a command line tool (see also [here](https://www.linux.com/learn/handling-rar-and-7-zip-archives-linux)).
+For Linux see [p7zip](https://sourceforge.net/projects/p7zip/), a command line tool (see also [here](https://www.linux.com/training-tutorials/handling-rar-and-7-zip-archives-linux/)).
 
 ## Building
 

entries/magical_life.md

@@ -1,14 +1,14 @@
 # Magical Life
 
-_RPG 2d game similar to RimWorld._
+_RPG 2D game similar to RimWorld._
 
-- Home: https://github.com/SneakyTactician/MagicalLife
+- Home: https://github.com/TBye101/MagicalLife
 - Media: https://en.wikipedia.org/wiki/RimWorld
 - State: beta
-- Download: https://github.com/SneakyTactician/MagicalLife/releases
+- Download: https://github.com/TBye101/MagicalLife/releases
 - Platform: Windows
 - Keywords: role playing, inspired by RimWorld, open content
-- Code repository: https://github.com/SneakyTactician/MagicalLife.git
+- Code repository: https://github.com/TBye101/MagicalLife.git
 - Code language: C#
 - Code license: MIT
 - Code dependencies: MonoGame

entries/marblez.md

@@ -2,7 +2,7 @@
 
 _Clone of Toobz._
 
-- Home: http://www.kongregate.com/games/MarkGossage/marblez/
+- Home: https://www.kongregate.com/games/MarkGossage/marblez/
 - State: beta, inactive since 2017
 - Keywords: arcade, clone, inspired by Toobz
 - Code repository: https://github.com/mpgossage/Marblez.git

entries/mari0.md

@@ -2,7 +2,7 @@
 
 _Remake of Mario World._
 
-- Home: http://stabyourself.net/mari0/
+- Home: https://stabyourself.net/mari0/
 - State: mature, inactive since 2012
 - Download: https://stabyourself.net/mari0/#download
 - Platform: Windows, Linux, macOS

entries/mario_objects.md

@@ -3,7 +3,7 @@
 _Clone of Super Mario._
 
 - Home: https://github.com/jazzyjester/Mario-Game
-- Media: http://www.myandroidonline.com/2016/03/12/super-mario-bros-in-c/
+- Media: https://web.archive.org/web/20160505182543/http://www.myandroidonline.com/2016/03/12/super-mario-bros-in-c/
 - State: beta
 - Keywords: platform, clone, inspired by Super Mario
 - Code repository: https://github.com/jazzyjester/Mario-Game.git

entries/meridian_59.md

@@ -2,10 +2,10 @@
 
 _A classic MMO._
 
-- Home: http://meridian59.com/, http://meridian59.de
+- Home: http://meridian59.com/, https://meridian59.de/
 - Media: https://en.wikipedia.org/wiki/Meridian_59
 - State: mature
-- Download: http://meridian59.com/play-now.php
+- Download: https://meridian59.com/play-now.php
 - Keywords: role playing, multiplayer online + massive
 - Code repository: https://github.com/Meridian59/Meridian59.git, https://github.com/OpenMeridian/Meridian59.git (+), https://github.com/OpenMeridian105/Meridian59.git (+), https://github.com/Arantis/Meridian59_112.git (+)
 - Code language: C++, C

entries/micropolis.md

@@ -2,7 +2,7 @@
 
 _Micropolis is the open source version of SimCity Classic from Maxis._
 
-- Home: http://micropolisonline.com/
+- Home: https://micropolisonline.com/
 - Media: <https://en.wikipedia.org/wiki/SimCity_(1989_video_game)#Micropolis>
 - State: mature, inactive since 2015
 - Keywords: simulation, clone, inspired by Simcity, online

entries/mirror_magic.md

@@ -2,7 +2,7 @@
 
 _Remake of Deflektor._
 
-- Home: http://www.artsoft.org/mirrormagic/
+- Home: https://www.artsoft.org/mirrormagic/
 - Media: https://en.wikipedia.org/wiki/Deflektor
 - State: mature
 - Keywords: puzzle, inspired by Deflektor, remake

entries/mkjs.md

@@ -2,7 +2,7 @@
 
 _Remake of Mortal Kombat._
 
-- Home: http://mk.mgechev.com/
+- Home: https://mk.mgechev.com/
 - State: beta
 - Platform: Web
 - Keywords: action, inspired by Mortal Kombat, multiplayer, remake

entries/monogame.md

@@ -2,10 +2,10 @@
 
 _Open Source implementation of the Microsoft XNA 4 Framework._
 
-- Home: http://www.monogame.net/
+- Home: https://www.monogame.net/
 - Media: https://en.wikipedia.org/wiki/MonoGame
 - State: mature
-- Download: http://www.monogame.net/downloads/
+- Download: https://www.monogame.net/downloads/
 - Keywords: framework
 - Code repository: https://github.com/MonoGame/MonoGame.git
 - Code language: C#

entries/monsters_and_mushrooms.md

@@ -2,7 +2,7 @@
 
 _Remake of Millipede._
 
-- Home: http://pygame.org/project-Monsters+and+Mushrooms-989-.html
+- Home: https://pygame.org/project-Monsters+and+Mushrooms-989-.html
 - State: mature, inactive since 2010
 - Keywords: arcade, inspired by Millipede, remake, skill
 - Code repository: https://github.com/llopisdon/monsters_and_mushrooms.git

entries/mr_rescue.md

@@ -2,7 +2,7 @@
 
 _Arcade game where you rescue people from a burning building._
 
-- Home: http://tangramgames.dk/games/mrrescue/
+- Home: https://tangramgames.dk/games/mrrescue/
 - State: mature, inactive since 2016
 - Download: https://github.com/SimonLarsen/mrrescue/releases (also home)
 - Platform: Windows, Linux, macOS

entries/nethack.md

@@ -7,7 +7,7 @@ _Single player dungeon exploration game that runs on a wide variety of computer
 - State: mature
 - Download: https://www.nethack.org/common/index.html
 - Keywords: role playing, roguelike
-- Code repository: https://github.com/NetHack/NetHack.git, https://github.com/Vanilla-NetHack/NetHack.git (+), https://git.code.sf.net/p/nethack/NetHack
+- Code repository: https://github.com/NetHack/NetHack.git, https://github.com/Vanilla-NetHack/NetHack-3.4.3.git (+), https://git.code.sf.net/p/nethack/NetHack
 - Code language: C
 - Code license: Custom (Nethack General Public License)
 

entries/netpanzer.md

@@ -2,9 +2,9 @@
 
 _An online multiplayer tactical warfare game._
 
-- Home: http://www.netpanzer.info/
+- Home: https://www.netpanzer.info/
 - State: beta
-- Download: http://www.netpanzer.info/Download/
+- Download: https://www.netpanzer.info/Download/
 - Keywords: strategy, multiplayer, online, real time
 - Code repository: https://github.com/BackupTheBerlios/netpanzer-svn.git (not up to date?), https://svn.code.sf.net/p/netpanzerfp/code (svn)
 - Code language: C++

entries/netrek.md

@@ -2,11 +2,11 @@
 
 _Multi-player battle simulation with a Star Trek theme._
 
-- Home: http://www.netrek.org/, https://sourceforge.net/projects/netrek/, http://mactrek.sourceforge.net/Welcome.html
+- Home: https://www.netrek.org/, https://sourceforge.net/projects/netrek/, http://mactrek.sourceforge.net/Welcome.html
 - Media: https://en.wikipedia.org/wiki/Netrek
 - State: mature, inactive since 2009
-- Play: http://www.playnetrek.org/
+- Play: https://www.playnetrek.org/
-- Download: http://www.netrek.org/downloads/
+- Download: https://www.netrek.org/downloads/
 - Platform: Windows, Linux, macOS
 - Keywords: action, multiplayer, online
 - Code repository: http://netrek.cvs.sourceforge.net (cvs)

entries/not_pacman.md

@@ -2,7 +2,7 @@
 
 _Pacman-style game with gravity in which the player controls the rotation of the game field._
 
-- Home: http://stabyourself.net/notpacman/
+- Home: https://stabyourself.net/notpacman/
 - State: mature, inactive since 2013
 - Platform: Windows, Linux, macOS
 - Keywords: action, open content, pacman-like

entries/nova_pinball.md

@@ -2,7 +2,7 @@
 
 _Pinball game._
 
-- Home: http://wesleywerner.github.io/nova-pinball/
+- Home: https://engrams.dev/nova-pinball/
 - State: beta, inactive since 2017
 - Download: https://github.com/wesleywerner/nova-pinball/releases
 - Platform: Windows, Linux, macOS, Android, iOS (via LÖVE)

entries/octaforge.md

@@ -1,6 +1,6 @@
 # Octaforge
 
-_OctaForge is a 3D game engine and a game development platform._
+_3D game engine and a game development platform._
 
 - Home: https://octaforge.org/
 - State: mature

entries/ohrrpgce.md

@@ -7,7 +7,7 @@ _Official Hamster Republic Role Playing Game Construction Engine_
 - State: mature
 - Download: http://rpg.hamsterrepublic.com/ohrrpgce/Downloads
 - Keywords: framework
-- Code repository: https://bitbucket.org/rbv/ohrrpgce-svn.git (mirror), https://rpg.hamsterrepublic.com/source/wip (+)
+- Code repository: https://bitbucket.org/rbv/ohrrpgce-svn.git (mirror), https://github.com/ohrrpgce/ohrrpgce.git (+) (mirror), https://rpg.hamsterrepublic.com/source/wip (+) (svn)
 - Code language: Basic
 - Code license: GPL-2.0
 

entries/omega.md

@@ -2,7 +2,7 @@
 
 _Universe Simulator._
 
-- Home: http://github.com/movitto/omega
+- Home: https://github.com/movitto/omega
 - State: beta
 - Keywords: strategy, open content, real time, space
 - Code repository: https://github.com/movitto/omega.git

entries/omnispeak.md

@@ -2,7 +2,7 @@
 
 _Remake of Commander Keen Series._
 
-- Home: http://davidgow.net/keen/omnispeak.html
+- Home: https://davidgow.net/keen/omnispeak.html
 - State: mature
 - Download: (see home)
 - Keywords: remake, commercial content, inspired by Commander Keen Series, requires original content

entries/open_fortress.md

@@ -2,7 +2,7 @@
 
 _Mod of Team Fortress 2._
 
-- Home: http://openfortress.fun/
+- Home: https://openfortress.fun/
 - State: beta
 - Keywords: remake, commercial content, inspired by Team Fortress 2, modification, multiplayer competitive + online + LAN + co-op + matchmaking
 - Code repository: https://github.com/KaidemonLP/Open-Fortress-Source.git