imports from libregamewiki

2019-11-08 14:27:53 +01:00 · 2019-11-08 14:27:53 +01:00 · 644158b45f
commit 644158b45f
parent 73969f8476
65 changed files with 1409 additions and 275 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)** (1232)
+**[All entries](entries/tocs/_all.md#All)** (1272)

-By category: **[Action](entries/tocs/_action.md#action)** (207), **[Adventure](entries/tocs/_adventure.md#adventure)** (40), **[Arcade](entries/tocs/_arcade.md#arcade)** (80), **[Board game](entries/tocs/_board-game.md#board-game)** (10), **[Card game](entries/tocs/_card-game.md#card-game)** (2), **[Educational](entries/tocs/_educational.md#educational)** (8), **[Framework](entries/tocs/_framework.md#framework)** (73), **[Game engine](entries/tocs/_game-engine.md#game-engine)** (95), **[Library](entries/tocs/_library.md#library)** (36), **[Music](entries/tocs/_music.md#music)** (12), **[Platform](entries/tocs/_platform.md#platform)** (44), **[Puzzle](entries/tocs/_puzzle.md#puzzle)** (112), **[Remake](entries/tocs/_remake.md#remake)** (473), **[Role playing](entries/tocs/_role-playing.md#role-playing)** (166), **[Simulation](entries/tocs/_simulation.md#simulation)** (93), **[Sports](entries/tocs/_sports.md#sports)** (20), **[Strategy](entries/tocs/_strategy.md#strategy)** (241), **[Tool](entries/tocs/_tool.md#tool)** (31), **[Visual novel](entries/tocs/_visual-novel.md#visual-novel)** (4)
+By category: **[Action](entries/tocs/_action.md#action)** (208), **[Adventure](entries/tocs/_adventure.md#adventure)** (41), **[Arcade](entries/tocs/_arcade.md#arcade)** (92), **[Board game](entries/tocs/_board-game.md#board-game)** (10), **[Card game](entries/tocs/_card-game.md#card-game)** (2), **[Educational](entries/tocs/_educational.md#educational)** (10), **[Framework](entries/tocs/_framework.md#framework)** (75), **[Game engine](entries/tocs/_game-engine.md#game-engine)** (97), **[Library](entries/tocs/_library.md#library)** (36), **[Music](entries/tocs/_music.md#music)** (12), **[Platform](entries/tocs/_platform.md#platform)** (46), **[Puzzle](entries/tocs/_puzzle.md#puzzle)** (119), **[Remake](entries/tocs/_remake.md#remake)** (473), **[Role playing](entries/tocs/_role-playing.md#role-playing)** (170), **[Simulation](entries/tocs/_simulation.md#simulation)** (94), **[Sports](entries/tocs/_sports.md#sports)** (20), **[Strategy](entries/tocs/_strategy.md#strategy)** (247), **[Tool](entries/tocs/_tool.md#tool)** (32), **[Visual novel](entries/tocs/_visual-novel.md#visual-novel)** (4)

-By platform: **[Windows](entries/tocs/_windows.md#windows)** (359), **[Linux](entries/tocs/_linux.md#linux)** (340), **[macOS](entries/tocs/_macos.md#macos)** (193), **[Android](entries/tocs/_android.md#android)** (61), **[iOS](entries/tocs/_ios.md#ios)** (11), **[Web](entries/tocs/_web.md#web)** (64)
+By platform: **[Windows](entries/tocs/_windows.md#windows)** (377), **[Linux](entries/tocs/_linux.md#linux)** (359), **[macOS](entries/tocs/_macos.md#macos)** (201), **[Android](entries/tocs/_android.md#android)** (62), **[iOS](entries/tocs/_ios.md#ios)** (11), **[Web](entries/tocs/_web.md#web)** (66)

 [comment]: # (end of autogenerated content)

--- a/docs/data.json
+++ b/docs/data.json
@ -5880,6 +5880,14 @@
   "puzzle, 3D, board",
   "<a href=\"http://hg.code.sf.net/p/osrpgcreation/code\">Source</a> - C++ - GPL-3.0"
  ],
+  [
+   "OldSkool Gravity Game (<a href=\"https://sourceforge.net/projects/osgg/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/oldskool_gravity_game.md\">entry</a>)",
+   "Side-scroller/arcade lunar-lander-like game.",
+   "<a href=\"https://sourceforge.net/projects/osgg/files/\">Link</a>",
+   "mature / inactive since 2016",
+   "arcade, open content, side-scrolling",
+   "<a href=\"https://svn.code.sf.net/p/osgg/code/\">Source</a> - C++ - GPL-3.0"
+  ],
  [
   "Omega (<a href=\"http://github.com/movitto/omega\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/omega.md\">entry</a>)",
   "Universe Simulator.",
@ -5912,6 +5920,14 @@
   "remake, multiplayer, online, open content",
   "<a href=\"https://github.com/jasonrohrer/OneLife.git\">Source</a> - C, C++, PHP - Public domain"
  ],
+  [
+   "One is enough (<a href=\"http://www.hectigo.net/games/oneisenough/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/one_is_enough.md\">entry</a>)",
+   "Arcade game.",
+   "",
+   "beta / inactive since 2008",
+   "arcade, open content",
+   "Python - GPL-2.0"
+  ],
  [
   "One Way To Go (<a href=\"https://gordebak.itch.io/onewaytogo\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/one_way_to_go.md\">entry</a>)",
   "Remake of Sensitive.",
@ -5920,6 +5936,14 @@
   "puzzle, inspired by Sensitive, remake",
   "Lua - GPL-3.0"
  ],
+  [
+   "Online Chess Club (<a href=\"http://lgames.sourceforge.net/OCC/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/online_chess_club.md\">entry</a>)",
+   "Web chess game.",
+   "<a href=\"https://sourceforge.net/projects/lgames/files/occ/\">Link</a>",
+   "mature / active",
+   "strategy, chess",
+   "<a href=\"https://svn.code.sf.net/p/lgames/code/trunk\">Source</a> - PHP, JavaScript - GPL-2.0"
+  ],
  [
   "Oolite (<a href=\"http://www.oolite.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/oolite.md\">entry</a>)",
   "3D space trading and combat simulator in the spirit of..",
@ -6048,6 +6072,14 @@
   "strategy, inspired by Open Panzer, online",
   "<a href=\"https://github.com/nicupavel/openpanzer.git\">Source</a> - JavaScript - GPL-2.0"
  ],
+  [
+   "Open Quartz (<a href=\"http://openquartz.sourceforge.net/index.html\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/open_quartz.md\">entry</a>)",
+   "Implementation of the GPL Quake source.",
+   "<a href=\"https://sourceforge.net/projects/openquartz/files/\">Link</a>",
+   "beta / inactive since 2004",
+   "strategy, open content",
+   "<a href=\"http://openquartz.cvs.sourceforge.net\">Source</a> - ? - ?"
+  ],
  [
   "Open Rails (<a href=\"http://openrails.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/open_rails.md\">entry</a>)",
   "Train simulator for the largest collection of digital..",
@ -6080,6 +6112,14 @@
   "role playing, inspired by Runescape Classic, massive multiplayer online, remake",
   "<a href=\"https://gitlab.openrsc.com/open-rsc/Game.git\">Source</a> - Java - GPL-3.0"
  ],
+  [
+   "Open Simulator (<a href=\"http://opensimulator.org/wiki/Main_Page\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/open_simulator.md\">entry</a>)",
+   "Server side implementation of an open virtual 3D world in..",
+   "<a href=\"http://opensimulator.org/wiki/Download\">Link</a>",
+   "beta / active",
+   "adventure, open content",
+   "<a href=\"git://opensimulator.org/git/opensim\">Source</a> - C# - ?"
+  ],
  [
   "Open Soccer Star (<a href=\"https://opensoccerstar.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/open_soccer_star.md\">entry</a>)",
   "Soccer manager game in which you are not the manager or..",
@ -6136,6 +6176,14 @@
   "strategy, commercial content, game engine, inspired by Age of Empires + Age of Empires II + Star Wars: Galactic Battlegrounds, real time, remake, requires original content",
   "<a href=\"https://github.com/SFTtech/openage.git\">Source</a> - C++, Python - GPL-3.0"
  ],
+  [
+   "OpenAlchemist (<a href=\"http://www.openalchemist.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openalchemist.md\">entry</a>)",
+   "Falling block puzzle game.",
+   "<a href=\"http://www.openalchemist.com/downloads.php\">Link</a>",
+   "beta / inactive since 2010",
+   "puzzle, inspired by NaturalChimie, open content",
+   "<a href=\"https://svn.code.sf.net/p/openalchemist/code/trunk\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "OpenArena (<a href=\"http://openarena.ws/smfnews.php\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openarena.md\">entry</a>)",
   "First-person shooter, and a video game clone of Quake III..",
@ -6280,6 +6328,14 @@
   "framework",
   "<a href=\"https://github.com/openfl/openfl.git\">Source</a> - Haxe - MIT"
  ],
+  [
+   "Openfrag (<a href=\"https://sourceforge.net/projects/openfrag/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openfrag.md\">entry</a>)",
+   "Medieval-themed open-source FPS.",
+   "<a href=\"https://sourceforge.net/projects/openfrag/files/\">Link</a>",
+   "beta / inactive since 2008",
+   "framework, first person, shooter",
+   "<a href=\"https://svn.code.sf.net/p/openfrag/code/trunk\">Source</a> - C++, Lua - GPL-2.0"
+  ],
  [
   "OpenGGS (<a href=\"https://sourceforge.net/projects/openggs/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openggs.md\">entry</a>)",
   "Remake of The Great Giana Sisters.",
@ -6512,6 +6568,14 @@
   "framework",
   "<a href=\"https://gitlab.com/osgames/openrpg.git\">Source</a> - Python - GPL-2.0"
  ],
+  [
+   "OpenRTS (<a href=\"https://web.archive.org/web/20150412083852/https://www.pygame.org/projects/22/189/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openrts.md\">entry</a>)",
+   "Isometric real-time strategy game.",
+   "<a href=\"https://sourceforge.net/projects/arrakis/files/\">Link</a>",
+   "beta / inactive since 2006",
+   "strategy, real time",
+   "Python - GPL-2.0"
+  ],
  [
   "OpenRW (<a href=\"https://openrw.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/openrw.md\">entry</a>)",
   "Un-official recreation of the classic Grand Theft Auto III..",
@ -6768,6 +6832,38 @@
   "game engine, 2D",
   "<a href=\"https://github.com/elnormous/ouzel.git\">Source</a> - C, C++, Objective-C - 2-clause BSD"
  ],
+  [
+   "Overgod (<a href=\"https://sourceforge.net/projects/overgod/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/overgod.md\">entry</a>)",
+   "Arcade space game, where the player controls a spaceship..",
+   "<a href=\"https://sourceforge.net/projects/overgod/files/\">Link</a>",
+   "mature / inactive since 2005",
+   "arcade, open content",
+   "C - GPL-2.0"
+  ],
+  [
+   "Pacewar (<a href=\"http://pacewar.nongnu.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pacewar.md\">entry</a>)",
+   "Simple fighting game between two teams of ships.",
+   "<a href=\"http://pacewar.nongnu.org/download.html\">Link</a>",
+   "mature / inactive since 2017",
+   "action, open content",
+   "<a href=\"https://git.savannah.nongnu.org/git/pacewar.git\">Source</a> - Python - GPL-3.0"
+  ],
+  [
+   "Pachi (<a href=\"http://pachi.or.cz/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pachi.md\">entry</a>)",
+   "Go-playing program.",
+   "<a href=\"https://github.com/pasky/pachi/releases\">Link</a>",
+   "mature / active",
+   "strategy, board",
+   "<a href=\"https://github.com/pasky/pachi.git\">Source</a> - C, Python - GPL-2.0"
+  ],
+  [
+   "Pacman (<a href=\"https://github.com/ebuc99/pacman\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pacman.md\">entry</a>)",
+   "Pacman clone and very close to the original from Namco.",
+   "<a href=\"https://github.com/ebuc99/pacman/releases\">Link</a>",
+   "beta / active",
+   "arcade, pacman-like",
+   "<a href=\"https://github.com/ebuc99/pacman.git\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "pacman-canvas (<a href=\"http://pacman.platzh1rsch.ch/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pacman-canvas.md\">entry</a>)",
   "Remake of Pac-Man.",
@ -6784,6 +6880,14 @@
   "action, 2D, arcade, beat'em up, game engine",
   "<a href=\"https://github.com/kazzmir/paintown.git\">Source</a> - C++, Java, Python - 3-clause BSD"
  ],
+  [
+   "Palapeli (<a href=\"https://kde.org/applications/games/org.kde.palapeli\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/palapeli.md\">entry</a>)",
+   "Jigsaw puzzle game from the KDEGames collection.",
+   "",
+   "mature / active",
+   "puzzle",
+   "<a href=\"https://anongit.kde.org/palapeli.git\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "Panda 3D (<a href=\"http://www.panda3d.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/panda_3d.md\">entry</a>)",
   "Panda3D is a game engine, a framework for 3D rendering and..",
@ -6840,6 +6944,22 @@
   "strategy, board game",
   "<a href=\"https://git.code.sf.net/p/pasang-emas/code\">Source</a> - Vala - GPL-3.0"
  ],
+  [
+   "Passage (<a href=\"http://hcsoftware.sourceforge.net/passage/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/passage.md\">entry</a>)",
+   "Autobiographical RPG game by Jason Rohrer.",
+   "<a href=\"https://sourceforge.net/projects/hcsoftware/files/Passage/\">Link</a>",
+   "mature / inactive since 2011",
+   "role playing, open content",
+   "<a href=\"http://hcsoftware.cvs.sourceforge.net:/cvsroot/hcsoftware\">Source</a> - C++ - Public domain"
+  ],
+  [
+   "Pathogen Warrior (<a href=\"http://jet.ro/games/prototypes/pathogen-warrior/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pathogen_warrior.md\">entry</a>)",
+   "Simple game about matching a pathogen molecular structure..",
+   "",
+   "beta / inactive since 2004",
+   "puzzle",
+   "C++ - GPL-2.0"
+  ],
  [
   "Pathological (<a href=\"http://pathological.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pathological.md\">entry</a>)",
   "Remake of Log!cal.",
@ -6864,6 +6984,22 @@
   "tool",
   "<a href=\"https://github.com/PCGen/pcgen.git\">Source</a> - Java - LGPL-2.1"
  ],
+  [
+   "Pendumito (<a href=\"https://web.archive.org/web/20190813224936/http://krucenigmoj.tripod.com/pendumito.htm\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pendumito.md\">entry</a>)",
+   "A version of the WebHangman modified by Klivo to support..",
+   "",
+   "mature / inactive since 2003",
+   "tool, hangman, open content",
+   "JavaScript - GPL-2.0"
+  ],
+  [
+   "Penguin Command (<a href=\"http://www.linux-games.com/penguin-command/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/penguin_command.md\">entry</a>)",
+   "Game where you control 3 defensive turrets and try to..",
+   "<a href=\"https://sourceforge.net/projects/penguin-command/files/penguin-command/\">Link</a>",
+   "mature / inactive since 2007",
+   "arcade, inspired by Missile Command",
+   "C - GPL-2.0"
+  ],
  [
   "Pentagram (<a href=\"http://pentagram.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pentagram.md\">entry</a>)",
   "Remake of Ultima VIII.",
@ -6872,6 +7008,14 @@
   "role playing, commercial content, game engine, inspired by Ultima VIII, remake, requires original content",
   "<a href=\"https://github.com/pentagram-u8/pentagram.git\">Source</a> - C++ - GPL-2.0"
  ],
+  [
+   "Pentobi (<a href=\"https://pentobi.sourceforge.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pentobi.md\">entry</a>)",
+   "Blokus\u2010playing program. Blokus is an abstract tile-..",
+   "<a href=\"https://sourceforge.net/projects/pentobi/files/\">Link</a>",
+   "mature / active",
+   "role playing, board, inspired by Blokus, open content",
+   "<a href=\"https://github.com/enz/pentobi.git\">Source</a> - C++ - GPL-3.0"
+  ],
  [
   "Penumbra (<a href=\"https://github.com/discosultan/penumbra\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/penumbra.md\">entry</a>)",
   "Library that adds 2D lighting with shadowing effects.",
@ -6880,6 +7024,14 @@
   "library",
   "<a href=\"https://github.com/discosultan/penumbra.git\">Source</a> - C# - MIT"
  ],
+  [
+   "Peragro Tempus (<a href=\"https://web.archive.org/web/20120606045222/http://peragro.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/peragro_tempus.md\">entry</a>)",
+   "Free multiplayer online role-playing game with a..",
+   "",
+   "beta / inactive since 2012",
+   "role playing, multiplayer, online, open content",
+   "<a href=\"https://github.com/AnotherFoxGuy/Peragro-Tempus.git\">Source</a> - C, C++ - GPL-2.0"
+  ],
  [
   "Performous (<a href=\"http://performous.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/performous.md\">entry</a>)",
   "Clone of Dance Dance Revolution, Guitar Hero, SingStar.",
@ -6898,12 +7050,28 @@
  ],
  [
   "Physics Platformer (<a href=\"https://github.com/SteveSmith16384/PhysicsPlatformer\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/physics_platformer.md\">entry</a>)",
-   "Physics-based platform game",
-   "",
-   "beta / inactive since 2017",
-   "arcade, platformer",
+   "Physics-based multiplayer platform game.",
+   "<a href=\"https://github.com/SteveSmith16384/PhysicsPlatformer/releases\">Link</a>",
+   "beta / inactive since 2019",
+   "arcade, multiplayer, physics, platformer",
   "<a href=\"https://github.com/SteveSmith16384/PhysicsPlatformer.git\">Source</a> - Java - MIT"
  ],
+  [
+   "Physics Spacewar (<a href=\"https://github.com/SteveSmith16384/PhysicsSpaceWar\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/physics_spacewar.md\">entry</a>)",
+   "Physics-based multiplayer 2D space battle game.",
+   "<a href=\"https://github.com/SteveSmith16384/PhysicsSpaceWar/releases\">Link</a>",
+   "beta / inactive since 2019",
+   "arcade, multiplayer, physics",
+   "<a href=\"https://github.com/SteveSmith16384/PhysicsSpaceWar.git\">Source</a> - Java - MIT"
+  ],
+  [
+   "Pillows (<a href=\"https://fydo.net/projects/pillows\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pillows.md\">entry</a>)",
+   "Save-the-world arcade game.",
+   "",
+   "beta / inactive since 2007",
+   "arcade, open content",
+   "Python - GPL-2.0"
+  ],
  [
   "Pingus (<a href=\"https://pingus.seul.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pingus.md\">entry</a>)",
   "Lemmings(tm)-like puzzle game.",
@ -6936,6 +7104,14 @@
   "strategy, board game",
   "<a href=\"https://svn.code.sf.net/p/pio/code/\">Source</a> - C - GPL-2.0"
  ],
+  [
+   "Pixel Wheels (<a href=\"http://agateau.com/projects/pixelwheels/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pixel_wheels.md\">entry</a>)",
+   "2D top-down racing game.",
+   "",
+   "beta / active",
+   "game engine, open content, racing",
+   "<a href=\"https://github.com/agateau/pixelwheels.git\">Source</a> - Java - GPL-3.0"
+  ],
  [
   "PixelLight (<a href=\"https://www.pixellight.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pixellight.md\">entry</a>)",
   "3D engine and application framework for any kind of 3D..",
@ -6976,6 +7152,14 @@
   "strategy",
   "<a href=\"https://gitlab.com/osgames/planets.git\">Source</a> - Java - GPL-2.0"
  ],
+  [
+   "Plee the Bear (<a href=\"https://web.archive.org/web/20180201004909/http://www.stuff-o-matic.com:80/plee-the-bear/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/plee_the_bear.md\">entry</a>)",
+   "2D platform game in which the player controls a bear in..",
+   "<a href=\"https://sourceforge.net/projects/plee-the-bear/files/\">Link</a>",
+   "beta / inactive since 2017",
+   "platform, open content",
+   "<a href=\"https://github.com/j-jorge/plee-the-bear.git\">Source</a> - Lisp, C++, Scheme, C - GPL-3.0"
+  ],
  [
   "PLIB (<a href=\"http://plib.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/plib.md\">entry</a>)",
   "Game framework.",
@ -7016,6 +7200,14 @@
   "remake, commercial content, inspired by Postal, requires original content, shooter",
   "<a href=\"https://bitbucket.org/gopostal/postal-1-open-source\">Source</a> - C++ - GPL-2.0"
  ],
+  [
+   "Powermanga (<a href=\"http://linux.tlk.fr/games/Powermanga\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/powermanga.md\">entry</a>)",
+   "2D shooting arcade game.",
+   "<a href=\"http://linux.tlk.fr/games/Powermanga/download/\">Link</a>",
+   "beta / inactive since 2015",
+   "arcade, open content",
+   "<a href=\"https://svn.code.sf.net/p/powermanga/code/\">Source</a> - C99 - GPL-3.0"
+  ],
  [
   "Powerslave EX (<a href=\"https://powerslaveex.wordpress.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/powerslave_ex.md\">entry</a>)",
   "Remake of Powerslave.",
@ -7056,6 +7248,22 @@
   "simulation, educational, inspired by Drugwars, remake, strategy",
   "<a href=\"https://github.com/gtheilman/RxWars.git\">Source</a> - ColdFusion, JavaScript - GPL-3.0"
  ],
+  [
+   "PrimeShooter (<a href=\"http://thinkinghard.com/math/integers/PrimeShooter.html\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/primeshooter.md\">entry</a>)",
+   "Abstract browser based shooter game. The player must shoot..",
+   "",
+   "mature / inactive since 2010",
+   "arcade, educational, open content, shootem",
+   "JavaScript - GPL-2.0"
+  ],
+  [
+   "Primrose (<a href=\"http://primrose.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/primrose.md\">entry</a>)",
+   "Puzzle game.",
+   "<a href=\"http://primrose.sourceforge.net/download.php\">Link</a>",
+   "mature / inactive since 2009",
+   "puzzle, open content",
+   "<a href=\"http://primrose.cvs.sourceforge.net\">Source</a> - C++ - Public domain"
+  ],
  [
   "Privateer - Gemini Gold (<a href=\"http://privateer.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/privateer-gemini_gold.md\">entry</a>)",
   "Remake of Wing Commander: Privateer.",
@ -7080,6 +7288,14 @@
   "arcade, inspired by Progress Quest, remake",
   "<a href=\"https://github.com/arcadia-xenos/progress-quest.git\">Source</a> - C++ - MIT"
  ],
+  [
+   "Project Alexandria (<a href=\"http://www.sixthfloorlabs.com/projects/alexandria/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/project_alexandria.md\">entry</a>)",
+   "Space combat game.",
+   "<a href=\"http://www.sixthfloorlabs.com/projects/alexandria/download/\">Link</a>",
+   "beta / inactive since 2007",
+   "arcade, open content",
+   "Python - GPL"
+  ],
  [
   "Project Carrot (<a href=\"https://carrot.soulweaver.fi/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/project_carrot.md\">entry</a>)",
   "Remake of Jazz Jackrabbit 2.",
@ -7120,6 +7336,14 @@
   "puzzle, clone, inspired by Minesweeper",
   "<a href=\"https://github.com/GoogleChromeLabs/proxx.git\">Source</a> - TypeScript, JavaScript - Apache-2.0"
  ],
+  [
+   "PSY PONG 3D (<a href=\"http://psypong3d.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/psy_pong_3d.md\">entry</a>)",
+   "3D pong clone.",
+   "<a href=\"https://sourceforge.net/projects/psypong3d/files/\">Link</a>",
+   "beta / inactive since 2009",
+   "arcade, pong-like",
+   "C - GPL-3.0"
+  ],
  [
   "Psyco (<a href=\"http://psyco.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/psyco.md\">entry</a>)",
   "Python specializing compiler.",
@ -7152,6 +7376,14 @@
   "puzzle, ardade, clone, inspired by Arkanoid",
   "<a href=\"https://git.code.sf.net/p/pybreak360/code\">Source</a> - Python - GPL-3.0"
  ],
+  [
+   "PyChess (<a href=\"http://pychess.org\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pychess.md\">entry</a>)",
+   "Graphical front-end that works with xboard-compatible..",
+   "<a href=\"http://pychess.org/download/\">Link</a>",
+   "mature / active",
+   "puzzle, chess, open content",
+   "<a href=\"https://github.com/pychess/pychess.git\">Source</a> - Python - GPL-3.0"
+  ],
  [
   "pycraft (<a href=\"https://github.com/itsapi/pycraft\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pycraft.md\">entry</a>)",
   "Remake of Minecraft.",
@ -7200,6 +7432,14 @@
   "framework",
   "<a href=\"https://github.com/marcusmoller/pyorpg-client.git\">Source</a> - Python - MIT"
  ],
+  [
+   "pyRacerz (<a href=\"http://pyracerz.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pyracerz.md\">entry</a>)",
+   "Racing game.",
+   "<a href=\"https://sourceforge.net/projects/pyracerz/files/\">Link</a>",
+   "beta / inactive since 2005",
+   "framework, racing",
+   "Python - GPL-2.0"
+  ],
  [
   "pyscroll (<a href=\"https://pypi.org/project/pyscroll/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/pyscroll.md\">entry</a>)",
   "Animated scrolling maps in pygame library.",
@ -7232,6 +7472,14 @@
   "tool, library",
   "<a href=\"https://github.com/bitcraft/PyTMX.git\">Source</a> - Python - LGPL-3.0"
  ],
+  [
+   "Q (<a href=\"https://secure.plaimi.net/games/quizbot/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/q.md\">entry</a>)",
+   "q (also known as quizbot) is a simple IRC quizbot by..",
+   "",
+   "mature / inactive since 2013",
+   "educational, quiz",
+   "<a href=\"https://github.com/plaimi/q.git\">Source</a> - Python - GPL-3.0"
+  ],
  [
   "Q-Gears (<a href=\"https://github.com/q-gears/q-gears\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/q-gears.md\">entry</a>)",
   "Remake of Final Fantasy VII.",
@ -7240,6 +7488,14 @@
   "role playing, commercial content, game engine, inspired by Final Fantasy VII, remake, requires original content",
   "<a href=\"https://github.com/q-gears/q-gears.git\">Source</a> - C, C++ - GPL-2.0"
  ],
+  [
+   "Qonk (<a href=\"https://scratchpad.fandom.com/wiki/Qonk\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/qonk.md\">entry</a>)",
+   "Simple real-time space conquering game.",
+   "<a href=\"https://sourceforge.net/projects/qonk/files/\">Link</a>",
+   "beta / inactive since 2008",
+   "strategy, real time",
+   "<a href=\"https://svn.code.sf.net/p/qonk/code/trunk\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "Qt (<a href=\"https://www.qt.io/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/qt.md\">entry</a>)",
   "Cross-platform application framework.",
@ -7256,6 +7512,14 @@
   "framework",
   "<a href=\"https://bitbucket.org/Darthman/quad/src\">Source</a> - Pascal - MIT"
  ],
+  [
+   "Quadrapassel (<a href=\"https://wiki.gnome.org/Apps/Quadrapassel\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/quadrapassel.md\">entry</a>)",
+   "Quadrapassel (formerly a part of GNOME Games) is a GNOME..",
+   "",
+   "mature / active",
+   "puzzle, open content, tetris",
+   "<a href=\"https://gitlab.gnome.org/GNOME/quadrapassel.git\">Source</a> - Vala - GPL-2.0"
+  ],
  [
   "QuakeJS (<a href=\"http://www.quakejs.com/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/quakejs.md\">entry</a>)",
   "Remake of Quake 3.",
@ -7280,6 +7544,14 @@
   "game engine",
   "<a href=\"https://github.com/GentenStudios/quartz-engine.git\">Source</a> - C++ - 3-clause BSD"
  ],
+  [
+   "Quatter (<a href=\"https://luckeyproductions.itch.io/quatter\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/quatter.md\">entry</a>)",
+   "Quarto board game implementation.",
+   "",
+   "mature / inactive since 2018",
+   "strategy, board, open content",
+   "<a href=\"https://gitlab.com/luckeyproductions/Quatter.git\">Source</a> - C++ - GPL-2.0"
+  ],
  [
   "Rabbit Escape (<a href=\"https://www.artificialworlds.net/rabbit-escape/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/rabbit_escape.md\">entry</a>)",
   "Puzzle/action game of rescuing rabbits, inspired by..",
@ -7328,6 +7600,14 @@
   "strategy, turn-based",
   "<a href=\"https://github.com/Rails-18xx/Rails.git\">Source</a> - Java - GPL-2.0"
  ],
+  [
+   "Raincat (<a href=\"https://web.archive.org/web/20170317141245/https://bysusanlin.com/raincat/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/raincat.md\">entry</a>)",
+   "2D puzzle game. To win you need to keep the cat out of the..",
+   "",
+   "mature / inactive since 2018",
+   "puzzle, 2D, open content",
+   "<a href=\"https://github.com/styx/Raincat.git\">Source</a> - Haskell - 3-clause BSD"
+  ],
  [
   "ransack (<a href=\"https://github.com/dsallen7/ransack-python\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/ransack.md\">entry</a>)",
   "Python based roguelike.",
@ -7360,6 +7640,14 @@
   "action, shooter",
   "<a href=\"https://github.com/red-eclipse/base.git\">Source</a> - C++ - zlib"
  ],
+  [
+   "RedShift (<a href=\"http://rsfs.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/redshift.md\">entry</a>)",
+   "Flight simulation game in the spirit of GL-117.",
+   "",
+   "beta / inactive since 2008",
+   "simulation, flight, inspired by GL-117",
+   "<a href=\"https://svn.code.sf.net/p/rsfs/code/trunk\">Source</a> - C, C++ - GPL-2.0"
+  ],
  [
   "Reflection Keen (<a href=\"https://github.com/NY00123/refkeen\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/reflection_keen.md\">entry</a>)",
   "Remake of Commander Keen Series, Catacomb 3-D, Catacomb..",
@ -7432,6 +7720,14 @@
   "strategy, inspired by The Settler II, remake, requires original content",
   "<a href=\"https://launchpad.net/s25rttr\">Source</a> - C++ - GPL-3.0"
  ],
+  [
+   "ReTux (<a href=\"http://retux.nongnu.org\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/retux.md\">entry</a>)",
+   "ReTux (stylized as \"reTux\" in-game) is a 2D platformer.",
+   "<a href=\"http://retux.nongnu.org/download.html\">Link</a>",
+   "mature / inactive since 2018",
+   "platform, open content",
+   "<a href=\"https://git.savannah.nongnu.org/git/retux.git\">Source</a> - Python - GPL-3.0"
+  ],
  [
   "rFXGen (<a href=\"https://raylibtech.itch.io/rfxgen\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/rfxgen.md\">entry</a>)",
   "FX sounds generator.",
@ -7440,6 +7736,14 @@
   "tool, inspired by sfxr",
   "<a href=\"https://github.com/raysan5/rfxgen.git\">Source</a> - C - zlib"
  ],
+  [
+   "Ri-li (<a href=\"http://ri-li.sourceforge.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/ri-li.md\">entry</a>)",
+   "Arcade game in which you drive a toy wood train engine..",
+   "<a href=\"http://ri-li.sourceforge.net/download.html\">Link</a>",
+   "mature / inactive since 2007",
+   "arcade, open content",
+   "C++ - GPL-3.0"
+  ],
  [
   "RickyD (<a href=\"http://sourceforge.net/projects/rickyd/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/rickyd.md\">entry</a>)",
   "Remake of Rick Dangerous.",
@ -7512,6 +7816,14 @@
   "role playing, remake, roguelike",
   "<a href=\"https://gitlab.com/osgames/rogueclone.git\">Source</a> - C - 3-clause BSD"
  ],
+  [
+   "RogueBox Adventures (<a href=\"https://rogueboxadventures.tuxfamily.org/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/roguebox_adventures.md\">entry</a>)",
+   "2D graphical game that combines aspects of roguelikes and..",
+   "<a href=\"https://rogueboxadventures.tuxfamily.org/download.htm\">Link</a>",
+   "mature / inactive since 2017",
+   "role playing, open content, roguelike",
+   "<a href=\"https://git.tuxfamily.org/rba/rogueboxadventures.git\">Source</a> - Python - GPL-3.0"
+  ],
  [
   "Roguish (<a href=\"https://github.com/CamHenlin/Roguish\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/roguish.md\">entry</a>)",
   "Multiplayer, extensible rogue-like.",
@ -7592,6 +7904,14 @@
   "game engine, smashem",
   "C - 2-clause BSD"
  ],
+  [
+   "Ruby-warrior (<a href=\"https://github.com/ryanb/ruby-warrior\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/ruby-warrior.md\">entry</a>)",
+   "AI programming game.",
+   "",
+   "beta / inactive since 2012",
+   "game engine, open content, programming, roguelike",
+   "<a href=\"https://github.com/ryanb/ruby-warrior.git\">Source</a> - Ruby - MIT"
+  ],
  [
   "RuneLite (<a href=\"https://runelite.net/\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/runelite.md\">entry</a>)",
   "Remake of Old School RuneScape.",
@ -8905,12 +9225,12 @@
   "<a href=\"https://github.com/ttdpatch/ttdpatch.git\">Source</a> - Assembly, C, C++ - GPL-2.0"
  ],
  [
-   "Tumbly Towers (<a href=\"https://bitbucket.org/SteveSmith16384/trickytowers\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/tumbly_towers.md\">entry</a>)",
+   "Tumbly Towers (<a href=\"https://github.com/SteveSmith16384/TumblyTowers\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/tumbly_towers.md\">entry</a>)",
   "Remake of Tricky Towers.",
-   "",
+   "<a href=\"https://github.com/SteveSmith16384/TumblyTowers/releases\">Link</a>",
   "beta / inactive since 2017",
-   "puzzle, inspired by Tricky Towers, open content, remake, skill",
-   "<a href=\"https://bitbucket.org/SteveSmith16384/trickytowers.git\">Source</a> - Java - MIT"
+   "puzzle, inspired by Tricky Towers, multiplayer, open content, remake, skill",
+   "<a href=\"https://github.com/SteveSmith16384/TumblyTowers.git\">Source</a> - Java - MIT"
  ],
  [
   "Tumiki Fighters (<a href=\"http://www.asahi-net.or.jp/~cs8k-cyu/windows/tf_e.html\">home</a>, <a href=\"https://github.com/Trilarion/opensourcegames/blob/master/entries/tumiki_fighters.md\">entry</a>)",
--- a/entries/oldskool_gravity_game.md
+++ b/entries/oldskool_gravity_game.md
@ -0,0 +1,18 @@
+# OldSkool Gravity Game
+
+_Side-scroller/arcade lunar-lander-like game._
+
+- Home: https://sourceforge.net/projects/osgg/
+- State: mature, inactive since 2016
+- Download: https://sourceforge.net/projects/osgg/files/
+- Platform: Windows, Linux
+- Keywords: arcade, open content, side-scrolling
+- Code repository: https://svn.code.sf.net/p/osgg/code/ (svn)
+- Code language: C++
+- Code license: GPL-3.0
+- Code dependencies: OpenGL, SDL
+- Assets license: ? (GPL)
+
+Developer: Jimmy Christensen
+
+## Building
--- a/entries/one_is_enough.md
+++ b/entries/one_is_enough.md
@ -0,0 +1,16 @@
+# One is enough
+
+_Arcade game._
+
+- Home: http://www.hectigo.net/games/oneisenough/, https://packages.debian.org/search?keywords=oneisenough
+- State: beta, inactive since 2008
+- Keywords: arcade, open content
+- Code repository: (see home)
+- Code language: Python
+- Code license: GPL-2.0
+- Code dependencies: pygame
+- Assets license: GPL-2.0
+
+Developer: Olli Etuaho
+
+## Building
--- a/entries/online_chess_club.md
+++ b/entries/online_chess_club.md
@ -0,0 +1,16 @@
+# Online Chess Club
+
+_Web chess game._
+
+- Home: http://lgames.sourceforge.net/OCC/, https://sourceforge.net/projects/lgames/
+- State: mature
+- Download: https://sourceforge.net/projects/lgames/files/occ/
+- Platform: Web
+- Keywords: strategy, chess
+- Code repository: https://svn.code.sf.net/p/lgames/code/trunk (svn part of it)
+- Code language: PHP, JavaScript
+- Code license: GPL-2.0
+
+Developer: Michael Speck
+
+## Building
--- a/entries/open_quartz.md
+++ b/entries/open_quartz.md
@ -0,0 +1,15 @@
+# Open Quartz
+
+_Implementation of the GPL Quake source._
+
+- Home: http://openquartz.sourceforge.net/index.html, https://sourceforge.net/projects/openquartz/
+- State: beta, inactive since 2004
+- Download: https://sourceforge.net/projects/openquartz/files/
+- Platform: Windows, Linux
+- Keywords: strategy, open content
+- Code repository: http://openquartz.cvs.sourceforge.net (cvs)
+- Code language: ?
+- Code license: ? (GPL)
+- Assets license: ? (GPL)
+
+## Building
--- a/entries/open_simulator.md
+++ b/entries/open_simulator.md
@ -0,0 +1,17 @@
+# Open Simulator
+
+_Server side implementation of an open virtual 3D world in which users can create their own content._
+
+- Home: http://opensimulator.org/wiki/Main_Page
+- State: beta
+- Download: http://opensimulator.org/wiki/Download
+- Keywords: adventure, open content
+- Code repository: git://opensimulator.org/git/opensim
+- Code language: C#
+- Code license: ? (BSD)
+- Code dependencies: Mono
+- Assets license: ? (BSD)
+
+It was founded in 2007 as an open source alternative to Second Life and is compatible to Second Life clients.
+
+## Building
--- a/entries/openalchemist.md
+++ b/entries/openalchemist.md
@ -0,0 +1,18 @@
+# OpenAlchemist
+
+_Falling block puzzle game._
+
+- Home: http://www.openalchemist.com/, https://sourceforge.net/projects/openalchemist/
+- State: beta, inactive since 2010
+- Download: http://www.openalchemist.com/downloads.php, https://sourceforge.net/projects/openalchemist/files/
+- Platform: Windows, Linux
+- Keywords: puzzle, inspired by NaturalChimie, open content
+- Code repository: https://svn.code.sf.net/p/openalchemist/code/trunk (svn)
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: ClanLib
+- Assets license: CC-BY-SA 2.0
+
+Developer: Antoine Morineau (graphics), Guillaume Delhumeau (code), silkut (win32 port), MrPouit (Ubuntu packages)
+
+## Building
--- a/entries/openfrag.md
+++ b/entries/openfrag.md
@ -0,0 +1,15 @@
+# Openfrag
+
+_Medieval-themed open-source FPS._
+
+- Home: https://sourceforge.net/projects/openfrag/
+- State: beta, inactive since 2008
+- Download: https://sourceforge.net/projects/openfrag/files/
+- Keywords: framework, first person, shooter
+- Code repository: https://svn.code.sf.net/p/openfrag/code/trunk (svn)
+- Code language: C++, Lua
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: CMake
--- a/entries/openrts.md
+++ b/entries/openrts.md
@ -0,0 +1,18 @@
+# OpenRTS
+
+_Isometric real-time strategy game._
+
+- Home: https://web.archive.org/web/20150412083852/https://www.pygame.org/projects/22/189/, https://web.archive.org/web/20070305102426/http://arrakis.sourceforge.net/wiki/index.php?OpenRTS, https://sourceforge.net/projects/arrakis/
+- State: beta, inactive since 2006
+- Download: https://sourceforge.net/projects/arrakis/files/
+- Keywords: strategy, real time
+- Code repository: (see download)
+- Code language: Python
+- Code license: GPL-2.0
+- Code dependencies: PGU, pygame
+
+Also known as arrakis.
+
+Developer: Andreas Røsdal
+
+## Building
--- a/entries/overgod.md
+++ b/entries/overgod.md
@ -0,0 +1,17 @@
+# Overgod
+
+_Arcade space game, where the player controls a spaceship and fights against the gods that rule the universe._
+
+- Home: https://sourceforge.net/projects/overgod/, https://www.allegro.cc/depot/Overgod
+- State: mature, inactive since 2005
+- Download: https://sourceforge.net/projects/overgod/files/
+- Platform: Windows, Linux, macOS
+- Keywords: arcade, open content
+- Code repository: (see download)
+- Code language: C
+- Code license: GPL-2.0
+- Assets license: ? (GPL)
+
+Developer: Linley Henzell
+
+## Building
--- a/entries/pacewar.md
+++ b/entries/pacewar.md
@ -0,0 +1,17 @@
+# Pacewar
+
+_Simple fighting game between two teams of ships._
+
+- Home: http://pacewar.nongnu.org/, http://savannah.nongnu.org/projects/pacewar
+- State: mature, inactive since 2017
+- Download: http://pacewar.nongnu.org/download.html
+- Platform: Windows, Linux
+- Keywords: action, open content
+- Code repository: https://git.savannah.nongnu.org/git/pacewar.git, http://cvs.savannah.nongnu.org:/web/pacewar (cvs)
+- Code language: Python
+- Code license: GPL-3.0
+- Code dependencies: SGE Game Engine
+
+Developer: onpon4
+
+## Building
--- a/entries/pachi.md
+++ b/entries/pachi.md
@ -0,0 +1,18 @@
+# Pachi
+
+_Go-playing program._
+
+- Home: http://pachi.or.cz/
+- State: mature
+- Download: https://github.com/pasky/pachi/releases
+- Platform: Windows, Linux
+- Keywords: strategy, board
+- Code repository: https://github.com/pasky/pachi.git, https://repo.or.cz/pachi.git (+)
+- Code language: C, Python
+- Code license: GPL-2.0
+
+It has no built‐in human interface, so a Go client like GoGui, qGo or CGoban 1 is required.
+
+## Building
+
+- Build system: Make
--- a/entries/pacman.md
+++ b/entries/pacman.md
@ -0,0 +1,16 @@
+# Pacman
+
+_Pacman clone and very close to the original from Namco._
+
+- Home: https://github.com/ebuc99/pacman
+- State: beta
+- Download: https://github.com/ebuc99/pacman/releases, https://github.com/ebuc99/pacman_win/releases
+- Keywords: arcade, pacman-like
+- Code repository: https://github.com/ebuc99/pacman.git
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: SDL
+
+## Building
+
+- Build system: Autoconf
--- a/entries/palapeli.md
+++ b/entries/palapeli.md
@ -0,0 +1,15 @@
+# Palapeli
+
+_Jigsaw puzzle game from the KDEGames collection._
+
+- Home: https://kde.org/applications/games/org.kde.palapeli
+- State: mature
+- Keywords: puzzle
+- Code repository: https://anongit.kde.org/palapeli.git
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: KDE libs, Qt
+
+Developer: Stefan Majewsky and others
+
+## Building
--- a/entries/passage.md
+++ b/entries/passage.md
@ -0,0 +1,18 @@
+# Passage
+
+_Autobiographical RPG game by Jason Rohrer._
+
+- Home: http://hcsoftware.sourceforge.net/passage/
+- State: mature, inactive since 2011
+- Download: https://sourceforge.net/projects/hcsoftware/files/Passage/
+- Platform: Windows, Linux, macOS
+- Keywords: role playing, open content
+- Code repository: http://hcsoftware.cvs.sourceforge.net:/cvsroot/hcsoftware (cvs part of it)
+- Code language: C++
+- Code license: Public domain
+- Code dependencies: SDL
+- Assets license: Public domain
+
+Developer: Jason Rohrer
+
+## Building
--- a/entries/pathogen_warrior.md
+++ b/entries/pathogen_warrior.md
@ -0,0 +1,12 @@
+# Pathogen Warrior
+
+_Simple game about matching a pathogen molecular structure on a hexagonal grid._
+
+- Home: http://jet.ro/games/prototypes/pathogen-warrior/
+- State: beta, inactive since 2004
+- Keywords: puzzle
+- Code repository: (see home)
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
--- a/entries/pendumito.md
+++ b/entries/pendumito.md
@ -0,0 +1,16 @@
+# Pendumito
+
+_A version of the WebHangman modified by Klivo to support Esperanto._
+
+- Home: https://web.archive.org/web/20190813224936/http://krucenigmoj.tripod.com/pendumito.htm
+- State: mature, inactive since 2003
+- Platform: Web
+- Keywords: tool, hangman, open content
+- Code repository: (see home)
+- Code language: JavaScript
+- Code license: GPL-2.0
+- Assets license: GPL-2.0
+
+Developer: Jan Mulder, Klivo
+
+## Building
--- a/entries/penguin_command.md
+++ b/entries/penguin_command.md
@ -0,0 +1,16 @@
+# Penguin Command
+
+_Game where you control 3 defensive turrets and try to intercept missiles and bombs which threaten your cities._
+
+- Home: http://www.linux-games.com/penguin-command/
+- State: mature, inactive since 2007
+- Download: https://sourceforge.net/projects/penguin-command/files/penguin-command/
+- Platform: Windows, Linux, macOS
+- Keywords: arcade, inspired by Missile Command
+- Code repository: (see download)
+- Code language: C
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: Make
--- a/entries/pentobi.md
+++ b/entries/pentobi.md
@ -0,0 +1,17 @@
+# Pentobi
+
+_Blokus‐playing program. Blokus is an abstract tile-placement board game with tiles shaped like polyominoes and simple rules._
+
+- Home: https://pentobi.sourceforge.io/, https://sourceforge.net/projects/pentobi/
+- State: mature
+- Download: https://sourceforge.net/projects/pentobi/files/
+- Keywords: role playing, board, inspired by Blokus, open content
+- Code repository: https://github.com/enz/pentobi.git
+- Code language: C++
+- Code license: GPL-3.0
+- Code dependencies: Qt
+- Assets license: ? (GPL)
+
+In addition to the classic version of Blokus, Pentobi also supports a number of game variants and similar games: Blokus Duo, Blokus Trigon, Blokus Junior, Nexos, GembloQ and Callisto.
+
+## Building
--- a/entries/peragro_tempus.md
+++ b/entries/peragro_tempus.md
@ -0,0 +1,14 @@
+# Peragro Tempus
+
+_Free multiplayer online role-playing game with a persistent world, which evolves according to nature and its inhabitants (players and NPCs)._
+
+- Home: https://web.archive.org/web/20120606045222/http://peragro.org/, https://web.archive.org/web/20120722095351/http://wiki.peragro.org/index.php/Main_Page
+- State: beta, inactive since 2012
+- Keywords: role playing, multiplayer, online, open content
+- Code repository: https://github.com/AnotherFoxGuy/Peragro-Tempus.git
+- Code language: C, C++
+- Code license: GPL-2.0
+- Code dependencies: Crystal_Space
+- Assets license: ? (CC-SA)
+
+## Building
--- a/entries/physics_platformer.md
+++ b/entries/physics_platformer.md
@ -6,7 +6,7 @@ _Physics-based multiplayer platform game._
 - State: beta, inactive since 2019
 - Download: https://github.com/SteveSmith16384/PhysicsPlatformer/releases
 - Platform: Windows, Linux
- Keywords: arcade, platformer, multiplayer, physics
+- Keywords: arcade, multiplayer, physics, platformer
 - Code repository: https://github.com/SteveSmith16384/PhysicsPlatformer.git
 - Code language: Java
 - Code license: MIT
--- a/entries/pillows.md
+++ b/entries/pillows.md
@ -0,0 +1,17 @@
+# Pillows
+
+_Save-the-world arcade game._
+
+- Home: https://fydo.net/projects/pillows
+- State: beta, inactive since 2007
+- Platform: Windows, Linux, macOS
+- Keywords: arcade, open content
+- Code repository: (see home)
+- Code language: Python
+- Code license: GPL-2.0
+- Code dependencies: pygame
+- Assets license: FAL
+
+Developer: Chris Hopp
+
+## Building
--- a/entries/pixel_wheels.md
+++ b/entries/pixel_wheels.md
@ -0,0 +1,18 @@
+# Pixel Wheels
+
+_2D top-down racing game._
+
+- Home: http://agateau.com/projects/pixelwheels/
+- State: beta
+- Platform: Windows, Linux, macOS, Android
+- Keywords: game engine, open content, racing
+- Code repository: https://github.com/agateau/pixelwheels.git
+- Code language: Java
+- Code license: GPL-3.0
+- Assets license: CC-BY-SA-4.0
+
+Developer: Aurélien Gâteau
+
+## Building
+
+- Build system: Gradle
--- a/entries/plee_the_bear.md
+++ b/entries/plee_the_bear.md
@ -0,0 +1,17 @@
+# Plee the Bear
+
+_2D platform game in which the player controls a bear in single or multiplayer mode._
+
+- Home: https://web.archive.org/web/20180201004909/http://www.stuff-o-matic.com:80/plee-the-bear/, https://sourceforge.net/projects/plee-the-bear/
+- State: beta, inactive since 2017
+- Download: https://sourceforge.net/projects/plee-the-bear/files/ (outdated)
+- Keywords: platform, open content
+- Code repository: https://github.com/j-jorge/plee-the-bear.git, https://github.com/j-jorge/bear.git (+)
+- Code language: Lisp, C++, Scheme, C
+- Code license: GPL-3.0
+- Code dependencies: Bear Engine, SDL
+- Assets license: CC BY-SA-3.0
+
+Developer: Julien Jorge, Sébastien Angibaud and contributors
+
+## Building
--- a/entries/powermanga.md
+++ b/entries/powermanga.md
@ -0,0 +1,18 @@
+# Powermanga
+
+_2D shooting arcade game._
+
+- Home: http://linux.tlk.fr/games/Powermanga, https://sourceforge.net/projects/powermanga/, https://packages.debian.org/search?keywords=powermanga
+- State: beta, inactive since 2015
+- Download: http://linux.tlk.fr/games/Powermanga/download/, https://sourceforge.net/projects/powermanga/files/
+- Platform: Linux
+- Keywords: arcade, open content
+- Code repository: https://svn.code.sf.net/p/powermanga/code/ (svn), http://powermanga.cvs.sourceforge.net (cvs)
+- Code language: C99
+- Code license: GPL-3.0
+- Code dependencies: SDL, SDL Mixer
+- Assets license: GPL
+
+Developer: Bruno Ethvignot, Emmanuel Founaud, Etienne Sobole, Jean-Michel Martin de Santero, Sam Hocevar
+
+## Building
--- a/entries/primeshooter.md
+++ b/entries/primeshooter.md
@ -0,0 +1,15 @@
+# PrimeShooter
+
+_Abstract browser based shooter game. The player must shoot falling numbers with their divisors and scores points for clearing prime numbers._
+
+- Home: http://thinkinghard.com/math/integers/PrimeShooter.html
+- State: mature, inactive since 2010
+- Keywords: arcade, educational, open content, shootem
+- Code repository: (see the homepage itself)
+- Code language: JavaScript
+- Code license: GPL-2.0
+- Assets license: GPL-2.0
+
+Developer: Philip Dorrell
+
+## Building
--- a/entries/primrose.md
+++ b/entries/primrose.md
@ -0,0 +1,18 @@
+# Primrose
+
+_Puzzle game._
+
+- Home: http://primrose.sourceforge.net/, https://sourceforge.net/projects/primrose/
+- State: mature, inactive since 2009
+- Download: http://primrose.sourceforge.net/download.php, https://sourceforge.net/projects/primrose/files/
+- Platform: Windows, Linux, macOS
+- Keywords: puzzle, open content
+- Code repository: http://primrose.cvs.sourceforge.net (cvs)
+- Code language: C++
+- Code license: Public domain
+- Code dependencies: SDL
+- Assets license: Public domain
+
+Developer: Jason Rohrer
+
+## Building
--- a/entries/project_alexandria.md
+++ b/entries/project_alexandria.md
@ -0,0 +1,17 @@
+# Project Alexandria
+
+_Space combat game._
+
+- Home: http://www.sixthfloorlabs.com/projects/alexandria/
+- State: beta, inactive since 2007
+- Download: http://www.sixthfloorlabs.com/projects/alexandria/download/
+- Keywords: arcade, open content
+- Code repository: (see download)
+- Code language: Python
+- Code license: GPL
+- Code dependencies: pygame
+- Assets license: ? (GPL)
+
+Developer: Sixth Floor Labs
+
+## Building
--- a/entries/psy_pong_3d.md
+++ b/entries/psy_pong_3d.md
@ -0,0 +1,15 @@
+# PSY PONG 3D
+
+_3D pong clone._
+
+- Home: http://psypong3d.sourceforge.net/, https://sourceforge.net/projects/psypong3d/
+- State: beta, inactive since 2009
+- Download: https://sourceforge.net/projects/psypong3d/files/
+- Keywords: arcade, pong-like
+- Code repository: (see download)
+- Code language: C
+- Code license: GPL-3.0
+
+Developer: Quetzy Garcia (quetzyg)
+
+## Building
--- a/entries/pychess.md
+++ b/entries/pychess.md
@ -0,0 +1,19 @@
+# PyChess
+
+_Graphical front-end that works with xboard-compatible engines such as GNU Chess and stockfish, and also comes with its own chess engine if no other is available._
+
+- Home: http://pychess.org
+- State: mature
+- Download: http://pychess.org/download/, https://github.com/pychess/pychess/releases
+- Platform: Windows, Linux
+- Keywords: puzzle, chess, open content
+- Code repository: https://github.com/pychess/pychess.git
+- Code language: Python
+- Code license: GPL-3.0
+- Assets license: ? (GPL)
+
+PyChess is also capable of online play using the FICS server. Features include hints, different chess variants, and themeable chess pieces.
+
+## Building
+
+- Build instructions: https://github.com/pychess/pychess/blob/master/INSTALL
--- a/entries/pyracerz.md
+++ b/entries/pyracerz.md
@ -0,0 +1,16 @@
+# pyRacerz
+
+_Racing game._
+
+- Home: http://pyracerz.sourceforge.net/, https://sourceforge.net/projects/pyracerz/
+- State: beta, inactive since 2005
+- Download: https://sourceforge.net/projects/pyracerz/files/
+- Keywords: framework, racing
+- Code repository: (see download)
+- Code language: Python
+- Code license: GPL-2.0
+- Code dependencies: pygame
+
+Developer: Jujucece
+
+## Building
--- a/entries/q.md
+++ b/entries/q.md
@ -0,0 +1,16 @@
+# Q
+
+_q (also known as quizbot) is a simple IRC quizbot by plaimi. It derives questions from a pool, gives out hints, and awards users who answer the questions correctly._
+
+- Home: https://secure.plaimi.net/games/quizbot/
+- State: mature, inactive since 2013
+- Platform: Windows, Linux, macOS
+- Keywords: educational, quiz
+- Code repository: https://github.com/plaimi/q.git
+- Code language: Python
+- Code license: GPL-3.0
+- Code dependencies: Twisted
+
+Developer: plaimi
+
+## Building
--- a/entries/qonk.md
+++ b/entries/qonk.md
@ -0,0 +1,16 @@
+# Qonk
+
+_Simple real-time space conquering game._
+
+- Home: https://scratchpad.fandom.com/wiki/Qonk, https://sourceforge.net/projects/qonk/, http://anthony.liekens.net/index.php/Computers/Qonk
+- State: beta, inactive since 2008
+- Download: https://sourceforge.net/projects/qonk/files/
+- Keywords: strategy, real time
+- Code repository: https://svn.code.sf.net/p/qonk/code/trunk (svn)
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: SDL
+
+Developer: Anthony Mariette Louis Liekens, Jens Fursund, Loek, Robert Schuster, Troels Kofoed Jacobsen
+
+## Building
--- a/entries/quadrapassel.md
+++ b/entries/quadrapassel.md
@ -0,0 +1,15 @@
+# Quadrapassel
+
+_Quadrapassel (formerly a part of GNOME Games) is a GNOME version of Tetris. It was previously named Gnometris._
+
+- Home: https://wiki.gnome.org/Apps/Quadrapassel
+- State: mature
+- Keywords: puzzle, open content, tetris
+- Code repository: https://gitlab.gnome.org/GNOME/quadrapassel.git
+- Code language: Vala
+- Code license: GPL-2.0
+- Assets license: GPL-2.0
+
+## Building
+
+- Build system: meson
--- a/entries/quatter.md
+++ b/entries/quatter.md
@ -0,0 +1,17 @@
+# Quatter
+
+_Quarto board game implementation._
+
+- Home: https://luckeyproductions.itch.io/quatter
+- Media: https://en.wikipedia.org/wiki/Quarto_(board_game)
+- State: mature, inactive since 2018
+- Keywords: strategy, board, open content
+- Code repository: https://gitlab.com/luckeyproductions/Quatter.git
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: Urho3D
+- Assets license: CC-BY-SA
+
+Developer: LucKey Productions
+
+## Building
--- a/entries/raincat.md
+++ b/entries/raincat.md
@ -0,0 +1,13 @@
+# Raincat
+
+_2D puzzle game. To win you need to keep the cat out of the rain._
+
+- Home: https://web.archive.org/web/20170317141245/https://bysusanlin.com/raincat/, https://packages.debian.org/search?keywords=raincat
+- State: mature, inactive since 2018
+- Keywords: puzzle, 2D, open content
+- Code repository: https://github.com/styx/Raincat.git
+- Code language: Haskell
+- Code license: 3-clause BSD
+- Assets license: CC-BY-SA-3.0
+
+## Building
--- a/entries/redshift.md
+++ b/entries/redshift.md
@ -0,0 +1,14 @@
+# RedShift
+
+_Flight simulation game in the spirit of GL-117._
+
+- Home: http://rsfs.sourceforge.net/, https://web.archive.org/web/20080725122954/http://php.scripts.psu.edu/cjh212/redshift/
+- State: beta, inactive since 2008
+- Keywords: simulation, flight, inspired by GL-117
+- Code repository: https://svn.code.sf.net/p/rsfs/code/trunk (svn)
+- Code language: C, C++
+- Code license: GPL-2.0
+
+Developer: Christian Haag
+
+## Building
--- a/entries/retux.md
+++ b/entries/retux.md
@ -0,0 +1,18 @@
+# ReTux
+
+_ReTux (stylized as "reTux" in-game) is a 2D platformer._
+
+- Home: http://retux.nongnu.org, https://savannah.nongnu.org/projects/retux
+- State: mature, inactive since 2018
+- Download: http://retux.nongnu.org/download.html
+- Platform: Windows, Linux
+- Keywords: platform, open content
+- Code repository: https://git.savannah.nongnu.org/git/retux.git, http://cvs.savannah.nongnu.org:/web/retux (cvs)
+- Code language: Python
+- Code license: GPL-3.0
+- Code dependencies: SGE Game Engine
+- Assets license: ? (taken from SuperTux)
+
+Developer: onpon4
+
+## Building
--- a/entries/ri-li.md
+++ b/entries/ri-li.md
@ -0,0 +1,20 @@
+# Ri-li
+
+_Arcade game in which you drive a toy wood train engine across many levels._
+
+- Home: http://ri-li.sourceforge.net/, https://sourceforge.net/projects/ri-li/
+- State: mature, inactive since 2007
+- Download: http://ri-li.sourceforge.net/download.html, https://sourceforge.net/projects/ri-li/files/
+- Platform: Windows, Linux, macOS
+- Keywords: arcade, open content
+- Code repository: (see download)
+- Code language: C++
+- Code license: GPL-3.0
+- Code dependencies: SDL
+- Assets license: ? (GPL)
+
+Developer: Dominique Roux-Serret
+
+## Building
+
+- Build system: Autoconf
--- a/entries/roguebox_adventures.md
+++ b/entries/roguebox_adventures.md
@ -0,0 +1,18 @@
+# RogueBox Adventures
+
+_2D graphical game that combines aspects of roguelikes and sandbox games like Minecraft. The player can fight monsters, craft tools and furniture, collect resources like wood and stone, and build a house using those resources. The game features a number of enemies and non-hostile NPCs._
+
+- Home: https://rogueboxadventures.tuxfamily.org/
+- State: mature, inactive since 2017
+- Download: https://rogueboxadventures.tuxfamily.org/download.htm
+- Platform: Windows, Linux
+- Keywords: role playing, open content, roguelike
+- Code repository: https://git.tuxfamily.org/rba/rogueboxadventures.git
+- Code language: Python
+- Code license: GPL-3.0
+- Code dependencies: pygame
+- Assets license: CC-BY-SA, CC0/Public domain), Various (CC-BY)
+
+Developer: themightyglider
+
+## Building
--- a/entries/ruby-warrior.md
+++ b/entries/ruby-warrior.md
@ -0,0 +1,15 @@
+# Ruby-warrior
+
+_AI programming game._
+
+- Home: https://github.com/ryanb/ruby-warrior
+- State: beta, inactive since 2012
+- Keywords: game engine, open content, programming, roguelike
+- Code repository: https://github.com/ryanb/ruby-warrior.git
+- Code language: Ruby
+- Code license: MIT
+- Assets license: MIT
+
+Developer: Ryan Bates
+
+## Building
--- a/entries/tocs/_action.md
+++ b/entries/tocs/_action.md
@ -155,6 +155,7 @@
 - **[OpenRW](../openrw.md)** (C, C++, GPL-3.0, beta)
 - **[OpenTomb](../opentomb.md)** (C, C++, Lua, LGPL-3.0, beta)
 - **[OpenTyrian](../opentyrian.md)** (C, GPL-2.0, beta, inactive since 2018)
+- **[Pacewar](../pacewar.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
 - **[Pang Zero](../pang_zero.md)** (Perl, GPL-2.0, beta, inactive since 2007)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
--- a/entries/tocs/_adventure.md
+++ b/entries/tocs/_adventure.md
@ -29,6 +29,7 @@
 - **[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)
 - **[MUSoSu](../musosu.md)** (Java, GPL-3.0, beta, inactive since 2008)
+- **[Open Simulator](../open_simulator.md)** (C#, ?, beta)
 - **[Privateer - Gemini Gold](../privateer-gemini_gold.md)** (C++, GPL-2.0, mature, inactive since 2012)
 - **[ResidualVM](../residualvm.md)** (C++, GPL-2.0, beta)
 - **[Sentient Storage](../sentient_storage.md)** (Python, Public domain, mature)
--- a/entries/tocs/_all.md
+++ b/entries/tocs/_all.md
@ -735,11 +735,14 @@
 - **[Odamex](../odamex.md)** (C, C++, GPL-2.0, beta)
 - **[OGRE3D](../ogre3d.md)** (C++, MIT, mature)
 - **[OGS Mahjong](../ogs_mahjong.md)** (C++, GPL-3.0, mature, inactive since 2016)
+- **[OldSkool Gravity Game](../oldskool_gravity_game.md)** (C++, GPL-3.0, mature, inactive since 2016)
 - **[Omega-rpg](../omega-rpg.md)** (C, LGPL-2.0, beta, inactive since 2000)
 - **[Omega](../omega.md)** (Javascript, Ruby, AGPL-3.0, beta)
 - **[Omnispeak](../omnispeak.md)** (C, GPL-2.0, mature)
 - **[One Hour One Life](../one_hour_one_life.md)** (C, C++, PHP, Public domain, mature)
+- **[One is enough](../one_is_enough.md)** (Python, GPL-2.0, beta, inactive since 2008)
 - **[One Way To Go](../one_way_to_go.md)** (Lua, GPL-3.0, mature, inactive since 2011)
+- **[Online Chess Club](../online_chess_club.md)** (PHP, JavaScript, GPL-2.0, mature)
 - **[Oolite](../oolite.md)** (Objective-C, C, JavaScript, GPL-2.0, mature)
 - **[Open AL Soft](../open_al_soft.md)** (C, LGPL-2.0, mature)
 - **[Open AL](../open_al.md)** (C, Proprietary, mature)
@ -756,10 +759,12 @@
 - **[Open Legend RPG](../open_legend_rpg.md)** (Text, Custom, mature)
 - **[Open Meridian](../open_meridian.md)** (C, C++, GPL-2.0, mature)
 - **[Open Panzer](../open_panzer.md)** (JavaScript, GPL-2.0, mature)
+- **[Open Quartz](../open_quartz.md)** (?, ?, beta, inactive since 2004)
 - **[Open Rails](../open_rails.md)** (C#, GPL-3.0, mature)
 - **[Open Rodent's Revenge](../open_rodents_revenge.md)** (C++, MIT, beta, inactive since 2018)
 - **[Open RPG Maker](../open_rpg_maker.md)** (C++, GPL-3.0, beta, inactive since 2014)
 - **[Open RSC](../open_rsc.md)** (Java, GPL-3.0, mature)
+- **[Open Simulator](../open_simulator.md)** (C#, ?, beta)
 - **[Open Soccer Star](../open_soccer_star.md)** (PHP, GPL-3.0, beta)
 - **[Open Surge](../open_surge.md)** (C, GPL-3.0, beta)
 - **[Open Syobon Action](../open_syobon_action.md)** (C++, ?, beta, inactive since 2011)
@ -767,6 +772,7 @@
 - **[Open Yahtzee](../open_yahtzee.md)** (C++, GPL-2.0, mature, inactive since 2016)
 - **[Open Zelda](../open_zelda.md)** (C, C++, zlib, mature, inactive since 2015)
 - **[openage](../openage.md)** (C++, Python, GPL-3.0, beta)
+- **[OpenAlchemist](../openalchemist.md)** (C++, GPL-2.0, beta, inactive since 2010)
 - **[OpenArena](../openarena.md)** (C, GPL-2.0, mature, inactive since 2012)
 - **[openblack](../openblack.md)** (C, C++, GPL-3.0, beta)
 - **[OpenBlok](../openblok.md)** (C++, GPL-3.0, beta)
@ -785,6 +791,7 @@
 - **[OpenEtG](../openetg.md)** (JavaScript, MIT, beta)
 - **[OpenFire](../openfire.md)** (C, MIT, beta, inactive since 2018)
 - **[OpenFL](../openfl.md)** (Haxe, MIT, mature)
+- **[Openfrag](../openfrag.md)** (C++, Lua, GPL-2.0, beta, inactive since 2008)
 - **[OpenGGS](../openggs.md)** (C++, GPL-2.0, beta, inactive since 2017)
 - **[OpenGL Test Drive Remake](../opengl_test_drive_remake.md)** (C, C++, GPL-3.0, mature, inactive since 2015)
 - **[Openglad](../openglad.md)** (C++, GPL-2.0, mature, inactive since 2004)
@ -814,6 +821,7 @@
 - **[OpenRCT2](../openrct2.md)** (C++, GPL-3.0, mature)
 - **[OpenRoads](../openroads.md)** (TypeScript, Javascript, MIT, mature, inactive since 2014)
 - **[OpenRPG](../openrpg.md)** (Python, GPL-2.0, mature, inactive since 2013)
+- **[OpenRTS](../openrts.md)** (Python, GPL-2.0, beta, inactive since 2006)
 - **[OpenRW](../openrw.md)** (C, C++, GPL-3.0, beta)
 - **[OpenSAGE](../opensage.md)** (C#, LGPL-3.0, beta)
 - **[OpenSC2K](../opensc2k.md)** (JavaScript, GPL-3.0, beta)
@ -846,8 +854,13 @@
 - **[Outer Space](../outer_space.md)** (Python, GPL-2.0, beta)
 - **[Outpost HD](../outpost_hd.md)** (C++, 3-clause BSD, beta)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[Overgod](../overgod.md)** (C, GPL-2.0, mature, inactive since 2005)
+- **[Pacewar](../pacewar.md)** (Python, GPL-3.0, mature, inactive since 2017)
+- **[Pachi](../pachi.md)** (C, Python, GPL-2.0, mature)
 - **[pacman-canvas](../pacman-canvas.md)** (JavaScript, CC-BY-SA-4.0, mature, inactive since 2018)
+- **[Pacman](../pacman.md)** (C++, GPL-2.0, beta)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
+- **[Palapeli](../palapeli.md)** (C++, GPL-2.0, mature)
 - **[Panda 3D](../panda_3d.md)** (C++, C, 3-clause BSD, mature)
 - **[Panel Attack](../panel_attack.md)** (Lua, zlib, beta)
 - **[Pang Zero](../pang_zero.md)** (Perl, GPL-2.0, beta, inactive since 2007)
@ -855,71 +868,94 @@
 - **[PARPG](../parpg.md)** (Python, GPL-3.0, beta, inactive since 2012)
 - **[PARSEC47](../parsec47.md)** (D, 2-clause BSD, beta, inactive since 2003)
 - **[Pasang Emas](../pasang_emas.md)** (Vala, GPL-3.0, mature)
+- **[Passage](../passage.md)** (C++, Public domain, mature, inactive since 2011)
+- **[Pathogen Warrior](../pathogen_warrior.md)** (C++, GPL-2.0, beta, inactive since 2004)
 - **[Pathological](../pathological.md)** (Python, GPL-2.0, beta, inactive since 2003)
 - **[Pax Britannica](../pax_britannica.md)** (Lua, C, MIT, mature)
 - **[PCGen](../pcgen.md)** (Java, LGPL-2.1, mature)
+- **[Pendumito](../pendumito.md)** (JavaScript, GPL-2.0, mature, inactive since 2003)
+- **[Penguin Command](../penguin_command.md)** (C, GPL-2.0, mature, inactive since 2007)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
+- **[Pentobi](../pentobi.md)** (C++, GPL-3.0, mature)
 - **[Penumbra](../penumbra.md)** (C#, MIT, mature)
+- **[Peragro Tempus](../peragro_tempus.md)** (C, C++, GPL-2.0, beta, inactive since 2012)
 - **[Performous](../performous.md)** (C, C++, GPL-2.0, mature)
 - **[Phantasy Star Rebirth](../phantasy_star_rebirth.md)** (C++, GPL-3.0, beta, inactive since 2013)
- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2017)
+- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2019)
+- **[Physics Spacewar](../physics_spacewar.md)** (Java, MIT, beta, inactive since 2019)
+- **[Pillows](../pillows.md)** (Python, GPL-2.0, beta, inactive since 2007)
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
 - **[Pink Pony](../pink_pony.md)** (C++, GPL-3.0, mature, inactive since 2017)
 - **[Pioneer](../pioneer.md)** (C, C++, Lua, Apache-2.0, GPL-3.0, mature)
 - **[Pioneers](../pioneers.md)** (C, GPL-2.0, mature)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PixelLight](../pixellight.md)** (C, C++, MIT, mature, inactive since 2012)
 - **[Pizza Business](../pizza_business.md)** (C++, GPL-2.0, mature, inactive since 2003)
 - **[pkg-config](../pkg-config.md)** (C, GPL-2.0, mature)
 - **[PlaneShift](../planeshift.md)** (C++, GPL-2.0, mature)
 - **[Planetary Hoppers](../planetary_hoppers.md)** (Java, GPL-2.0, beta, inactive since 2003)
+- **[Plee the Bear](../plee_the_bear.md)** (Lisp, C++, Scheme, C, GPL-3.0, beta, inactive since 2017)
 - **[PLIB](../plib.md)** (C++, LGPL-2.0, mature, inactive since 2012)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Polis](../polis.md)** (Java, GPL-3.0, mature, inactive since 2016)
 - **[Polycode](../polycode.md)** (C, C++, MIT, beta)
 - **[POSTAL 1 Open Source](../postal_1_open_source.md)** (C++, GPL-2.0, beta, inactive since 2018)
+- **[Powermanga](../powermanga.md)** (C99, GPL-3.0, beta, inactive since 2015)
 - **[Powerslave EX](../powerslave_ex.md)** (C, C++, GPL-3.0, beta, inactive since 2017)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
 - **[pq2](../pq2.md)** (C++, GPL-3.0, mature)
 - **[PrBoom+](../prboom+.md)** (C, GPL-2.0, mature, inactive since 2016)
 - **[Prescription Wars](../prescription_wars.md)** (ColdFusion, JavaScript, GPL-3.0, mature, inactive since 2016)
+- **[PrimeShooter](../primeshooter.md)** (JavaScript, GPL-2.0, mature, inactive since 2010)
+- **[Primrose](../primrose.md)** (C++, Public domain, mature, inactive since 2009)
 - **[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)
 - **[progress-quest](../progress-quest.md)** (C++, MIT, mature)
+- **[Project Alexandria](../project_alexandria.md)** (Python, GPL, beta, inactive since 2007)
 - **[Project Carrot](../project_carrot.md)** (C++, MIT, beta, inactive since 2017)
 - **[Project Dollhouse](../project_dollhouse.md)** (C#, MPL-2.0, beta)
 - **[Project Helena](../project_helena.md)** (Pascal, GPL-3.0, beta)
 - **[ProQuake 4](../proquake_4.md)** (C, GPL-2.0, mature, inactive since 2018)
 - **[proxx](../proxx.md)** (TypeScript, JavaScript, Apache-2.0, mature)
+- **[PSY PONG 3D](../psy_pong_3d.md)** (C, GPL-3.0, beta, inactive since 2009)
 - **[Psyco](../psyco.md)** (C, MIT, mature, inactive since 2008)
 - **[Pthreads-win32](../pthreads-win32.md)** (C, LGPL-2.1, mature)
 - **[Pushover](../pushover.md)** (C++, C, Lua, GPL-3.0, beta, inactive since 2018)
 - **[PyBreak360](../pybreak360.md)** (Python, GPL-3.0, mature, inactive since 2015)
+- **[PyChess](../pychess.md)** (Python, GPL-3.0, mature)
 - **[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)
 - **[pyORPG](../pyorpg.md)** (Python, MIT, beta, inactive since 2015)
+- **[pyRacerz](../pyracerz.md)** (Python, GPL-2.0, beta, inactive since 2005)
 - **[pyscroll](../pyscroll.md)** (Python, LGPL-3.0, mature, inactive since 2018)
 - **[pyskool](../pyskool.md)** (Python, GPL-3.0, mature)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[PyTMX](../pytmx.md)** (Python, LGPL-3.0, mature)
 - **[Q-Gears](../q-gears.md)** (C, C++, GPL-2.0, beta, inactive since 2015)
+- **[Q](../q.md)** (Python, GPL-3.0, mature, inactive since 2013)
+- **[Qonk](../qonk.md)** (C++, GPL-2.0, beta, inactive since 2008)
 - **[Qt](../qt.md)** (C++, LGPL-3.0, mature)
 - **[Quad-engine](../quad-engine.md)** (Pascal, MIT, beta)
+- **[Quadrapassel](../quadrapassel.md)** (Vala, GPL-2.0, mature)
 - **[QuakeJS](../quakejs.md)** (JavaScript, MIT, mature)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
 - **[Quartz Engine](../quartz_engine.md)** (C++, 3-clause BSD, beta)
+- **[Quatter](../quatter.md)** (C++, GPL-2.0, mature, inactive since 2018)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[RacerJS](../racerjs.md)** (JavaScript, MIT, mature, inactive since 2010)
 - **[Radakan](../radakan.md)** (Python, Custom, beta, inactive since 2014)
 - **[Ragel](../ragel.md)** (C++, MIT, mature)
 - **[Rails: an 18xx game system](../rails_an_18xx_game_system.md)** (Java, GPL-2.0, mature)
+- **[Raincat](../raincat.md)** (Haskell, 3-clause BSD, mature, inactive since 2018)
 - **[ransack](../ransack.md)** (Python, MIT, mature, inactive since 2016)
 - **[raylib](../raylib.md)** (C, C++, zlib, mature)
 - **[RBDOOM-3-BFG](../rbdoom-3-bfg.md)** (C, C++, GPL-3.0, mature)
 - **[Red Eclipse](../red_eclipse.md)** (C++, zlib, mature)
+- **[RedShift](../redshift.md)** (C, C++, GPL-2.0, beta, inactive since 2008)
 - **[Reflection Keen](../reflection_keen.md)** (C, Lua, GPL-2.0, mature)
 - **[REGoth](../regoth.md)** (C++, GPL-3.0, mature)
 - **[Remixed Dungeon](../remixed_dungeon.md)** (Java, GPL-3.0, mature)
@ -929,7 +965,9 @@
 - **[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)
+- **[ReTux](../retux.md)** (Python, GPL-3.0, mature, inactive since 2018)
 - **[rFXGen](../rfxgen.md)** (C, zlib, mature)
+- **[Ri-li](../ri-li.md)** (C++, GPL-3.0, mature, inactive since 2007)
 - **[RickyD](../rickyd.md)** (C++, GPL-2.0, beta)
 - **[Rigel Engine](../rigel_engine.md)** (C++, GPL-2.0, beta)
 - **[Rigs of Rods](../rigs_of_rods.md)** (C, C++, AngelScript, GPL-3.0, mature)
@ -939,6 +977,7 @@
 - **[Rockbot](../rockbot.md)** (C++, GPL-2.0, mature)
 - **[Rocks'n'Diamonds](../rocksndiamonds.md)** (C, GPL-2.0, mature)
 - **[Rogue Clone IV](../rogue_clone_iv.md)** (C, 3-clause BSD, mature, inactive since 2006)
+- **[RogueBox Adventures](../roguebox_adventures.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[Roguish](../roguish.md)** (JavaScript, 3-clause BSD, beta, inactive since 2015)
 - **[Rolemaster Office](../rolemaster_office.md)** (Java, Apache-2.0, mature)
 - **[Rolisteam](../rolisteam.md)** (C++, JavaScript, GPL-2.0, mature)
@ -949,6 +988,7 @@
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
 - **[rpge](../rpge.md)** (C, GPL-3.0, beta, inactive since 2014)
 - **[rRootage](../rrootage.md)** (C, 2-clause BSD, beta, inactive since 2004)
+- **[Ruby-warrior](../ruby-warrior.md)** (Ruby, MIT, beta, inactive since 2012)
 - **[RuneLite](../runelite.md)** (Java, 2-clause BSD, mature)
 - **[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)
--- a/entries/tocs/_android.md
+++ b/entries/tocs/_android.md
@ -48,6 +48,7 @@
 - **[osu!](../osu.md)** (C#, MIT, beta)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
--- a/entries/tocs/_arcade.md
+++ b/entries/tocs/_arcade.md
@ -50,6 +50,8 @@
 - **[Mr. Rescue](../mr_rescue.md)** (Lua, zlib, mature, inactive since 2016)
 - **[Nighthawk](../nighthawk.md)** (C++, GPL-2.0, mature, inactive since 2004)
 - **[Noiz2sa](../noiz2sa.md)** (C, C++, 2-clause BSD, beta, inactive since 2004)
+- **[OldSkool Gravity Game](../oldskool_gravity_game.md)** (C++, GPL-3.0, mature, inactive since 2016)
+- **[One is enough](../one_is_enough.md)** (Python, GPL-2.0, beta, inactive since 2008)
 - **[OpenJazz](../openjazz.md)** (C++, GPL-2.0, beta)
 - **[OpenLiero](../openliero.md)** (C++, Custom, mature, inactive since 2015)
 - **[OpenLieroX](../openlierox.md)** (C++, LGPL-2.0, mature)
@ -57,14 +59,24 @@
 - **[OpenRoads](../openroads.md)** (TypeScript, Javascript, MIT, mature, inactive since 2014)
 - **[Orbit-Hopper](../orbit-hopper.md)** (C++, GPL-2.0, mature, inactive since 2019)
 - **[Ostrich Riders](../ostrich_riders.md)** (C++, GPL-3.0, beta)
+- **[Overgod](../overgod.md)** (C, GPL-2.0, mature, inactive since 2005)
+- **[Pacman](../pacman.md)** (C++, GPL-2.0, beta)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
 - **[Pang Zero](../pang_zero.md)** (Perl, GPL-2.0, beta, inactive since 2007)
 - **[PARSEC47](../parsec47.md)** (D, 2-clause BSD, beta, inactive since 2003)
- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2017)
+- **[Penguin Command](../penguin_command.md)** (C, GPL-2.0, mature, inactive since 2007)
+- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2019)
+- **[Physics Spacewar](../physics_spacewar.md)** (Java, MIT, beta, inactive since 2019)
+- **[Pillows](../pillows.md)** (Python, GPL-2.0, beta, inactive since 2007)
+- **[Powermanga](../powermanga.md)** (C99, GPL-3.0, beta, inactive since 2015)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
+- **[PrimeShooter](../primeshooter.md)** (JavaScript, GPL-2.0, mature, inactive since 2010)
 - **[progress-quest](../progress-quest.md)** (C++, MIT, mature)
+- **[Project Alexandria](../project_alexandria.md)** (Python, GPL, beta, inactive since 2007)
+- **[PSY PONG 3D](../psy_pong_3d.md)** (C, GPL-3.0, beta, inactive since 2009)
 - **[Pygame---Alien-Invasion](../pygame-alien-invasion.md)** (Python, GPL-3.0, beta, inactive since 2018)
 - **[RacerJS](../racerjs.md)** (JavaScript, MIT, mature, inactive since 2010)
+- **[Ri-li](../ri-li.md)** (C++, GPL-3.0, mature, inactive since 2007)
 - **[Rockbot](../rockbot.md)** (C++, GPL-2.0, mature)
 - **[SDL Asylum](../sdl_asylum.md)** (C, GPL-3.0, mature, inactive since 2009)
 - **[Skifree-HTML5-clone](../skifree-html5-clone.md)** (JavaScript, GPL-3.0, beta, inactive since 2011)
--- a/entries/tocs/_educational.md
+++ b/entries/tocs/_educational.md
@ -7,5 +7,7 @@
 - **[GCompris](../gcompris.md)** (C, Python, GPL-3.0, mature, inactive since 2016)
 - **[ORIENT](../orient.md)** (C#, Java, GPL-2.0, mature, inactive since 2009)
 - **[Prescription Wars](../prescription_wars.md)** (ColdFusion, JavaScript, GPL-3.0, mature, inactive since 2016)
+- **[PrimeShooter](../primeshooter.md)** (JavaScript, GPL-2.0, mature, inactive since 2010)
+- **[Q](../q.md)** (Python, GPL-3.0, mature, inactive since 2013)
 - **[thiefcatcher](../thiefcatcher.md)** (C++, GPL-3.0, beta)
 - **[Tux of Math Command](../tux_of_math_command.md)** (C, GPL-3.0, mature, inactive since 2011)
--- a/entries/tocs/_framework.md
+++ b/entries/tocs/_framework.md
@ -46,6 +46,7 @@
 - **[Open Game Engine](../open_game_engine.md)** (C++, LGPL-2.1, beta, inactive since 2008)
 - **[Open RPG Maker](../open_rpg_maker.md)** (C++, GPL-3.0, beta, inactive since 2014)
 - **[OpenFL](../openfl.md)** (Haxe, MIT, mature)
+- **[Openfrag](../openfrag.md)** (C++, Lua, GPL-2.0, beta, inactive since 2008)
 - **[OpenRPG](../openrpg.md)** (Python, GPL-2.0, mature, inactive since 2013)
 - **[Orx](../orx.md)** (C, zlib, mature)
 - **[Panda 3D](../panda_3d.md)** (C++, C, 3-clause BSD, mature)
@ -53,6 +54,7 @@
 - **[Polycode](../polycode.md)** (C, C++, MIT, beta)
 - **[pygame](../pygame.md)** (C, Python, LGPL-2.1, mature)
 - **[pyORPG](../pyorpg.md)** (Python, MIT, beta, inactive since 2015)
+- **[pyRacerz](../pyracerz.md)** (Python, GPL-2.0, beta, inactive since 2005)
 - **[Qt](../qt.md)** (C++, LGPL-3.0, mature)
 - **[Quad-engine](../quad-engine.md)** (Pascal, MIT, beta)
 - **[raylib](../raylib.md)** (C, C++, zlib, mature)
--- a/entries/tocs/_game-engine.md
+++ b/entries/tocs/_game-engine.md
@ -69,6 +69,7 @@
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PixelLight](../pixellight.md)** (C, C++, MIT, mature, inactive since 2012)
 - **[Q-Gears](../q-gears.md)** (C, C++, GPL-2.0, beta, inactive since 2015)
 - **[Quartz Engine](../quartz_engine.md)** (C++, 3-clause BSD, beta)
@ -78,6 +79,7 @@
 - **[RPG Paper Maker](../rpg_paper_maker.md)** (C++, ?, mature)
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
 - **[rRootage](../rrootage.md)** (C, 2-clause BSD, beta, inactive since 2004)
+- **[Ruby-warrior](../ruby-warrior.md)** (Ruby, MIT, beta, inactive since 2012)
 - **[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)
--- a/entries/tocs/_linux.md
+++ b/entries/tocs/_linux.md
@ -210,12 +210,15 @@
 - **[NullpoMino](../nullpomino.md)** (Java, 3-clause BSD, mature)
 - **[Numpty Physics](../numpty_physics.md)** (C++, GPL-3.0, beta, inactive since 2016)
 - **[OGS Mahjong](../ogs_mahjong.md)** (C++, GPL-3.0, mature, inactive since 2016)
+- **[OldSkool Gravity Game](../oldskool_gravity_game.md)** (C++, GPL-3.0, mature, inactive since 2016)
 - **[Oolite](../oolite.md)** (Objective-C, C, JavaScript, GPL-2.0, mature)
 - **[Open Fodder](../open_fodder.md)** (C, C++, GPL-3.0, mature)
 - **[Open Horizon](../open_horizon.md)** (C++, MIT, beta)
+- **[Open Quartz](../open_quartz.md)** (?, ?, beta, inactive since 2004)
 - **[Open Rodent's Revenge](../open_rodents_revenge.md)** (C++, MIT, beta, inactive since 2018)
 - **[Open RSC](../open_rsc.md)** (Java, GPL-3.0, mature)
 - **[Open Yahtzee](../open_yahtzee.md)** (C++, GPL-2.0, mature, inactive since 2016)
+- **[OpenAlchemist](../openalchemist.md)** (C++, GPL-2.0, beta, inactive since 2010)
 - **[OpenArena](../openarena.md)** (C, GPL-2.0, mature, inactive since 2012)
 - **[openblack](../openblack.md)** (C, C++, GPL-3.0, beta)
 - **[OpenBlok](../openblok.md)** (C++, GPL-3.0, beta)
@ -235,32 +238,47 @@
 - **[OpenVIII](../openviii.md)** (C#, MIT, beta)
 - **[OPMon](../opmon.md)** (C++, GPL-3.0, beta)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[Overgod](../overgod.md)** (C, GPL-2.0, mature, inactive since 2005)
+- **[Pacewar](../pacewar.md)** (Python, GPL-3.0, mature, inactive since 2017)
+- **[Pachi](../pachi.md)** (C, Python, GPL-2.0, mature)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
 - **[Pang Zero](../pang_zero.md)** (Perl, GPL-2.0, beta, inactive since 2007)
 - **[PARSEC47](../parsec47.md)** (D, 2-clause BSD, beta, inactive since 2003)
 - **[Pasang Emas](../pasang_emas.md)** (Vala, GPL-3.0, mature)
+- **[Passage](../passage.md)** (C++, Public domain, mature, inactive since 2011)
+- **[Penguin Command](../penguin_command.md)** (C, GPL-2.0, mature, inactive since 2007)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
 - **[Performous](../performous.md)** (C, C++, GPL-2.0, mature)
- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2017)
+- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2019)
+- **[Physics Spacewar](../physics_spacewar.md)** (Java, MIT, beta, inactive since 2019)
+- **[Pillows](../pillows.md)** (Python, GPL-2.0, beta, inactive since 2007)
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
 - **[Pink Pony](../pink_pony.md)** (C++, GPL-3.0, mature, inactive since 2017)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PixelLight](../pixellight.md)** (C, C++, MIT, mature, inactive since 2012)
 - **[PLIB](../plib.md)** (C++, LGPL-2.0, mature, inactive since 2012)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
+- **[Powermanga](../powermanga.md)** (C99, GPL-3.0, beta, inactive since 2015)
 - **[Powerslave EX](../powerslave_ex.md)** (C, C++, GPL-3.0, beta, inactive since 2017)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
+- **[Primrose](../primrose.md)** (C++, Public domain, mature, inactive since 2009)
 - **[Privateer - Gemini Gold](../privateer-gemini_gold.md)** (C++, GPL-2.0, mature, inactive since 2012)
 - **[Psyco](../psyco.md)** (C, MIT, mature, inactive since 2008)
+- **[PyChess](../pychess.md)** (Python, GPL-3.0, mature)
 - **[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)
 - **[pyscroll](../pyscroll.md)** (Python, LGPL-3.0, mature, inactive since 2018)
 - **[pyskool](../pyskool.md)** (Python, GPL-3.0, mature)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[PyTMX](../pytmx.md)** (Python, LGPL-3.0, mature)
+- **[Q](../q.md)** (Python, GPL-3.0, mature, inactive since 2013)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[raylib](../raylib.md)** (C, C++, zlib, mature)
+- **[ReTux](../retux.md)** (Python, GPL-3.0, mature, inactive since 2018)
+- **[Ri-li](../ri-li.md)** (C++, GPL-3.0, mature, inactive since 2007)
+- **[RogueBox Adventures](../roguebox_adventures.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[RPG Paper Maker](../rpg_paper_maker.md)** (C++, ?, mature)
 - **[RPG-X](../rpg-x.md)** (C, GPL-2.0, mature, inactive since 2015)
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
@ -307,6 +325,7 @@
 - **[Trackballs](../trackballs.md)** (C++, Scheme, GPL-2.0, mature)
 - **[Tremulous](../tremulous.md)** (C, GPL-2.0, mature, inactive since 2016)
 - **[TROPHY](../trophy.md)** (C++, GPL-2.0, mature, inactive since 2012)
+- **[Tumbly Towers](../tumbly_towers.md)** (Java, MIT, beta, inactive since 2017)
 - **[Tumiki Fighters](../tumiki_fighters.md)** (D, C++, 2-clause BSD, mature, inactive since 2005)
 - **[TUSSLE](../tussle.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[Tux Football](../tux_football.md)** (C++, GPL-2.0, beta, inactive since 2012)
--- a/entries/tocs/_macos.md
+++ b/entries/tocs/_macos.md
@ -137,24 +137,32 @@
 - **[OPMon](../opmon.md)** (C++, GPL-3.0, beta)
 - **[osu!](../osu.md)** (C#, MIT, beta)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[Overgod](../overgod.md)** (C, GPL-2.0, mature, inactive since 2005)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
+- **[Passage](../passage.md)** (C++, Public domain, mature, inactive since 2011)
+- **[Penguin Command](../penguin_command.md)** (C, GPL-2.0, mature, inactive since 2007)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
 - **[Performous](../performous.md)** (C, C++, GPL-2.0, mature)
+- **[Pillows](../pillows.md)** (Python, GPL-2.0, beta, inactive since 2007)
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PLIB](../plib.md)** (C++, LGPL-2.0, mature, inactive since 2012)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Powerslave EX](../powerslave_ex.md)** (C, C++, GPL-3.0, beta, inactive since 2017)
+- **[Primrose](../primrose.md)** (C++, Public domain, mature, inactive since 2009)
 - **[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)
 - **[pyscroll](../pyscroll.md)** (Python, LGPL-3.0, mature, inactive since 2018)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[PyTMX](../pytmx.md)** (Python, LGPL-3.0, mature)
+- **[Q](../q.md)** (Python, GPL-3.0, mature, inactive since 2013)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[raylib](../raylib.md)** (C, C++, zlib, mature)
 - **[ResidualVM](../residualvm.md)** (C++, GPL-2.0, beta)
+- **[Ri-li](../ri-li.md)** (C++, GPL-3.0, mature, inactive since 2007)
 - **[RPG Paper Maker](../rpg_paper_maker.md)** (C++, ?, mature)
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
 - **[Scrabble3D](../scrabble3d.md)** (Pascal, GPL-3.0, mature, inactive since 2015)
--- a/entries/tocs/_platform.md
+++ b/entries/tocs/_platform.md
@ -33,7 +33,9 @@
 - **[NXEngine-evo](../nxengine-evo.md)** (C++, GPL-3.0, mature)
 - **[NXEngine](../nxengine.md)** (C, C++, GPL-3.0, mature)
 - **[Open Surge](../open_surge.md)** (C, GPL-3.0, beta)
+- **[Plee the Bear](../plee_the_bear.md)** (Lisp, C++, Scheme, C, GPL-3.0, beta, inactive since 2017)
 - **[Reflection Keen](../reflection_keen.md)** (C, Lua, GPL-2.0, mature)
+- **[ReTux](../retux.md)** (Python, GPL-3.0, mature, inactive since 2018)
 - **[Smash Battle](../smash_battle.md)** (C++, ?, beta, inactive since 2011)
 - **[Sonic Robo Blast 2](../sonic_robo_blast_2.md)** (C, C++, GPL-2.0, mature)
 - **[Super Tilt Bro](../super_tilt_bro.md)** (Assembly, Python, WTFPL, mature)
--- a/entries/tocs/_puzzle.md
+++ b/entries/tocs/_puzzle.md
@ -85,15 +85,22 @@
 - **[One Way To Go](../one_way_to_go.md)** (Lua, GPL-3.0, mature, inactive since 2011)
 - **[Open Flood](../open_flood.md)** (Java, MIT, mature, inactive since 2018)
 - **[Open Hexagon](../open_hexagon.md)** (C++, AFL-3.0, mature)
+- **[OpenAlchemist](../openalchemist.md)** (C++, GPL-2.0, beta, inactive since 2010)
 - **[OpenBlok](../openblok.md)** (C++, GPL-3.0, beta)
 - **[OpenNotrium](../opennotrium.md)** (C++, GPL-3.0, beta)
+- **[Palapeli](../palapeli.md)** (C++, GPL-2.0, mature)
+- **[Pathogen Warrior](../pathogen_warrior.md)** (C++, GPL-2.0, beta, inactive since 2004)
 - **[Pathological](../pathological.md)** (Python, GPL-2.0, beta, inactive since 2003)
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
 - **[Pink Pony](../pink_pony.md)** (C++, GPL-3.0, mature, inactive since 2017)
+- **[Primrose](../primrose.md)** (C++, Public domain, mature, inactive since 2009)
 - **[proxx](../proxx.md)** (TypeScript, JavaScript, Apache-2.0, mature)
 - **[Pushover](../pushover.md)** (C++, C, Lua, GPL-3.0, beta, inactive since 2018)
 - **[PyBreak360](../pybreak360.md)** (Python, GPL-3.0, mature, inactive since 2015)
+- **[PyChess](../pychess.md)** (Python, GPL-3.0, mature)
+- **[Quadrapassel](../quadrapassel.md)** (Vala, GPL-2.0, mature)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
+- **[Raincat](../raincat.md)** (Haskell, 3-clause BSD, mature, inactive since 2018)
 - **[ReQbert](../reqbert.md)** (JavaScript, GPL-3.0, beta)
 - **[Rocks'n'Diamonds](../rocksndiamonds.md)** (C, GPL-2.0, mature)
 - **[Secret Maryo Chronicles](../secret_maryo_chronicles.md)** (C++, GPL-3.0, mature, inactive since 2009)
--- a/entries/tocs/_role-playing.md
+++ b/entries/tocs/_role-playing.md
@ -118,7 +118,10 @@
 - **[Other-Life](../other-life.md)** (C, C++, Custom, beta)
 - **[Paper Isaac](../paper_isaac.md)** (ooc, MIT, beta, inactive since 2015)
 - **[PARPG](../parpg.md)** (Python, GPL-3.0, beta, inactive since 2012)
+- **[Passage](../passage.md)** (C++, Public domain, mature, inactive since 2011)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
+- **[Pentobi](../pentobi.md)** (C++, GPL-3.0, mature)
+- **[Peragro Tempus](../peragro_tempus.md)** (C, C++, GPL-2.0, beta, inactive since 2012)
 - **[Phantasy Star Rebirth](../phantasy_star_rebirth.md)** (C++, GPL-3.0, beta, inactive since 2013)
 - **[PlaneShift](../planeshift.md)** (C++, GPL-2.0, mature)
 - **[Q-Gears](../q-gears.md)** (C, C++, GPL-2.0, beta, inactive since 2015)
@ -127,6 +130,7 @@
 - **[REGoth](../regoth.md)** (C++, GPL-3.0, mature)
 - **[Remixed Dungeon](../remixed_dungeon.md)** (Java, GPL-3.0, mature)
 - **[Rogue Clone IV](../rogue_clone_iv.md)** (C, 3-clause BSD, mature, inactive since 2006)
+- **[RogueBox Adventures](../roguebox_adventures.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[Roguish](../roguish.md)** (JavaScript, 3-clause BSD, beta, inactive since 2015)
 - **[Room for Change](../room_for_change.md)** (Java, Apache-2.0, mature, inactive since 2013)
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
--- a/entries/tocs/_simulation.md
+++ b/entries/tocs/_simulation.md
@ -74,6 +74,7 @@
 - **[Project Dollhouse](../project_dollhouse.md)** (C#, MPL-2.0, beta)
 - **[pycraft](../pycraft.md)** (C, Python, GPL-2.0, mature, inactive since 2018)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
+- **[RedShift](../redshift.md)** (C, C++, GPL-2.0, beta, inactive since 2008)
 - **[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, C++, Objective-C, GPL-2.0, beta, inactive since 2003)
--- a/entries/tocs/_strategy.md
+++ b/entries/tocs/_strategy.md
@ -134,9 +134,11 @@
 - **[NetPanzer](../netpanzer.md)** (C++, GPL-2.0, beta)
 - **[NStars!](../nstars.md)** (C#, ?, beta, inactive since 2004)
 - **[Omega](../omega.md)** (Javascript, Ruby, AGPL-3.0, beta)
+- **[Online Chess Club](../online_chess_club.md)** (PHP, JavaScript, GPL-2.0, mature)
 - **[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)
+- **[Open Quartz](../open_quartz.md)** (?, ?, beta, inactive since 2004)
 - **[Open Soccer Star](../open_soccer_star.md)** (PHP, GPL-3.0, beta)
 - **[Open Yahtzee](../open_yahtzee.md)** (C++, GPL-2.0, mature, inactive since 2016)
 - **[openage](../openage.md)** (C++, Python, GPL-3.0, beta)
@ -149,6 +151,7 @@
 - **[OpenMoM](../openmom.md)** (C, C++, GPL-3.0, beta)
 - **[OpenMOO2](../openmoo2.md)** (Python, GPL-2.0, beta, inactive since 2011)
 - **[OpenRA](../openra.md)** (C#, GPL-3.0, mature)
+- **[OpenRTS](../openrts.md)** (Python, GPL-2.0, beta, inactive since 2006)
 - **[OpenSAGE](../opensage.md)** (C#, LGPL-3.0, beta)
 - **[OpenSoccer](../opensoccer.md)** (PHP, GPL-3.0, beta)
 - **[OpenWebSoccer-Sim](../openwebsoccer-sim.md)** (PHP, LGPL-3.0, mature)
@ -157,6 +160,7 @@
 - **[Orbium](../orbium.md)** (JavaScript, GPL-2.0, mature, inactive since 2018)
 - **[orona](../orona.md)** (CoffeeScript, GPL-2.0, beta, inactive since 2012)
 - **[Outer Space](../outer_space.md)** (Python, GPL-2.0, beta)
+- **[Pachi](../pachi.md)** (C, Python, GPL-2.0, mature)
 - **[Pasang Emas](../pasang_emas.md)** (Vala, GPL-3.0, mature)
 - **[Pax Britannica](../pax_britannica.md)** (Lua, C, MIT, mature)
 - **[Pioneers](../pioneers.md)** (C, GPL-2.0, mature)
@ -167,6 +171,8 @@
 - **[Prescription Wars](../prescription_wars.md)** (ColdFusion, JavaScript, GPL-3.0, mature, inactive since 2016)
 - **[Project Helena](../project_helena.md)** (Pascal, GPL-3.0, beta)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
+- **[Qonk](../qonk.md)** (C++, GPL-2.0, beta, inactive since 2008)
+- **[Quatter](../quatter.md)** (C++, GPL-2.0, mature, inactive since 2018)
 - **[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-3.0, beta, inactive since 2013)
--- a/entries/tocs/_tool.md
+++ b/entries/tocs/_tool.md
@ -17,6 +17,7 @@
 - **[JaNaG - Java Name Generator](../janag-java_name_generator.md)** (Java, GPL-3.0, mature, inactive since 2016)
 - **[Monster Generator](../monster_generator.md)** (Java, MIT, mature)
 - **[PCGen](../pcgen.md)** (Java, LGPL-2.1, mature)
+- **[Pendumito](../pendumito.md)** (JavaScript, GPL-2.0, mature, inactive since 2003)
 - **[pkg-config](../pkg-config.md)** (C, GPL-2.0, mature)
 - **[Procedural Map Generator](../procedural_map_generator.md)** (C++, MIT, mature, inactive since 2018)
 - **[Psyco](../psyco.md)** (C, MIT, mature, inactive since 2008)
--- a/entries/tocs/_web.md
+++ b/entries/tocs/_web.md
@ -38,6 +38,7 @@
 - **[Lose Your Marbles](../lose_your_marbles.md)** (JavaScript, MIT, mature, inactive since 2014)
 - **[Minilens](../minilens.md)** (GDScript, GPL-3.0, mature, inactive since 2018)
 - **[mk.js](../mkjs.md)** (JavaScript, MIT, beta)
+- **[Online Chess Club](../online_chess_club.md)** (PHP, JavaScript, GPL-2.0, mature)
 - **[OpenDominion](../opendominion.md)** (PHP, AGPL-3.0, beta)
 - **[OpenEtG](../openetg.md)** (JavaScript, MIT, beta)
 - **[OpenLara](../openlara.md)** (C++, 2-clause BSD, mature)
@ -46,6 +47,7 @@
 - **[Orbium](../orbium.md)** (JavaScript, GPL-2.0, mature, inactive since 2018)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
 - **[pacman-canvas](../pacman-canvas.md)** (JavaScript, CC-BY-SA-4.0, mature, inactive since 2018)
+- **[Pendumito](../pendumito.md)** (JavaScript, GPL-2.0, mature, inactive since 2003)
 - **[Prescription Wars](../prescription_wars.md)** (ColdFusion, JavaScript, GPL-3.0, mature, inactive since 2016)
 - **[proxx](../proxx.md)** (TypeScript, JavaScript, Apache-2.0, mature)
 - **[QuakeJS](../quakejs.md)** (JavaScript, MIT, mature)
--- a/entries/tocs/_windows.md
+++ b/entries/tocs/_windows.md
@ -215,13 +215,16 @@
 - **[Numpty Physics](../numpty_physics.md)** (C++, GPL-3.0, beta, inactive since 2016)
 - **[nXtank](../nxtank.md)** (Python, GPL-3.0, beta, inactive since 2010)
 - **[OGS Mahjong](../ogs_mahjong.md)** (C++, GPL-3.0, mature, inactive since 2016)
+- **[OldSkool Gravity Game](../oldskool_gravity_game.md)** (C++, GPL-3.0, mature, inactive since 2016)
 - **[Oolite](../oolite.md)** (Objective-C, C, JavaScript, GPL-2.0, mature)
 - **[Open Fodder](../open_fodder.md)** (C, C++, GPL-3.0, mature)
 - **[Open Game Engine](../open_game_engine.md)** (C++, LGPL-2.1, beta, inactive since 2008)
 - **[Open Horizon](../open_horizon.md)** (C++, MIT, beta)
+- **[Open Quartz](../open_quartz.md)** (?, ?, beta, inactive since 2004)
 - **[Open Rodent's Revenge](../open_rodents_revenge.md)** (C++, MIT, beta, inactive since 2018)
 - **[Open RSC](../open_rsc.md)** (Java, GPL-3.0, mature)
 - **[Open Yahtzee](../open_yahtzee.md)** (C++, GPL-2.0, mature, inactive since 2016)
+- **[OpenAlchemist](../openalchemist.md)** (C++, GPL-2.0, beta, inactive since 2010)
 - **[OpenArena](../openarena.md)** (C, GPL-2.0, mature, inactive since 2012)
 - **[openblack](../openblack.md)** (C, C++, GPL-3.0, beta)
 - **[OpenBlok](../openblok.md)** (C++, GPL-3.0, beta)
@ -250,34 +253,48 @@
 - **[OPMon](../opmon.md)** (C++, GPL-3.0, beta)
 - **[osu!](../osu.md)** (C#, MIT, beta)
 - **[ouzel](../ouzel.md)** (C, C++, Objective-C, 2-clause BSD, beta)
+- **[Overgod](../overgod.md)** (C, GPL-2.0, mature, inactive since 2005)
+- **[Pacewar](../pacewar.md)** (Python, GPL-3.0, mature, inactive since 2017)
+- **[Pachi](../pachi.md)** (C, Python, GPL-2.0, mature)
 - **[PainTown](../paintown.md)** (C++, Java, Python, 3-clause BSD, mature)
 - **[PARSEC47](../parsec47.md)** (D, 2-clause BSD, beta, inactive since 2003)
+- **[Passage](../passage.md)** (C++, Public domain, mature, inactive since 2011)
+- **[Penguin Command](../penguin_command.md)** (C, GPL-2.0, mature, inactive since 2007)
 - **[Pentagram](../pentagram.md)** (C++, GPL-2.0, beta, inactive since 2018)
 - **[Performous](../performous.md)** (C, C++, GPL-2.0, mature)
- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2017)
+- **[Physics Platformer](../physics_platformer.md)** (Java, MIT, beta, inactive since 2019)
+- **[Physics Spacewar](../physics_spacewar.md)** (Java, MIT, beta, inactive since 2019)
+- **[Pillows](../pillows.md)** (Python, GPL-2.0, beta, inactive since 2007)
 - **[Pingus](../pingus.md)** (C++, GPL-3.0, mature)
 - **[Pink Pony](../pink_pony.md)** (C++, GPL-3.0, mature, inactive since 2017)
+- **[Pixel Wheels](../pixel_wheels.md)** (Java, GPL-3.0, beta)
 - **[PixelLight](../pixellight.md)** (C, C++, MIT, mature, inactive since 2012)
 - **[PLIB](../plib.md)** (C++, LGPL-2.0, mature, inactive since 2012)
 - **[PokerTH](../pokerth.md)** (C++, AGPL-3.0, mature, inactive since 2017)
 - **[Powerslave EX](../powerslave_ex.md)** (C, C++, GPL-3.0, beta, inactive since 2017)
 - **[Powerslide remake](../powerslide_remake.md)** (C++, MIT, beta)
+- **[Primrose](../primrose.md)** (C++, Public domain, mature, inactive since 2009)
 - **[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)
 - **[Psyco](../psyco.md)** (C, MIT, mature, inactive since 2008)
+- **[PyChess](../pychess.md)** (Python, GPL-3.0, mature)
 - **[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)
 - **[pyscroll](../pyscroll.md)** (Python, LGPL-3.0, mature, inactive since 2018)
 - **[PySol](../pysol.md)** (Python, GPL-2.0, mature, inactive since 2004)
 - **[PyTMX](../pytmx.md)** (Python, LGPL-3.0, mature)
+- **[Q](../q.md)** (Python, GPL-3.0, mature, inactive since 2013)
 - **[QuakeSpasm](../quakespasm.md)** (C, GPL-2.0, mature)
 - **[Rabbit Escape](../rabbit_escape.md)** (Java, GPL-2.0, mature)
 - **[Race Into Space](../race_into_space.md)** (C, C++, GPL-2.0, mature)
 - **[raylib](../raylib.md)** (C, C++, zlib, mature)
 - **[ReShade](../reshade.md)** (C++, 3-clause BSD, mature)
 - **[ResidualVM](../residualvm.md)** (C++, GPL-2.0, beta)
+- **[ReTux](../retux.md)** (Python, GPL-3.0, mature, inactive since 2018)
 - **[rFXGen](../rfxgen.md)** (C, zlib, mature)
+- **[Ri-li](../ri-li.md)** (C++, GPL-3.0, mature, inactive since 2007)
 - **[Rigs of Rods](../rigs_of_rods.md)** (C, C++, AngelScript, GPL-3.0, mature)
+- **[RogueBox Adventures](../roguebox_adventures.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[RPG Paper Maker](../rpg_paper_maker.md)** (C++, ?, mature)
 - **[RPG-X](../rpg-x.md)** (C, GPL-2.0, mature, inactive since 2015)
 - **[rpgboss](../rpgboss.md)** (Scala, JavaScript, AGPL-3.0, beta, inactive since 2017)
@ -324,6 +341,7 @@
 - **[Tressette](../tressette.md)** (C++, GPL-2.0, mature, inactive since 2017)
 - **[TROPHY](../trophy.md)** (C++, GPL-2.0, mature, inactive since 2012)
 - **[TTDPatch](../ttdpatch.md)** (Assembly, C, C++, GPL-2.0, mature, inactive since 2013)
+- **[Tumbly Towers](../tumbly_towers.md)** (Java, MIT, beta, inactive since 2017)
 - **[Tumiki Fighters](../tumiki_fighters.md)** (D, C++, 2-clause BSD, mature, inactive since 2005)
 - **[TUSSLE](../tussle.md)** (Python, GPL-3.0, mature, inactive since 2017)
 - **[Tux Football](../tux_football.md)** (C++, GPL-2.0, beta, inactive since 2012)
--- a/entries/tumbly_towers.md
+++ b/entries/tumbly_towers.md
@ -7,7 +7,7 @@ _Remake of Tricky Towers._
 - State: beta, inactive since 2017
 - Download: https://github.com/SteveSmith16384/TumblyTowers/releases
 - Platform: Windows, Linux
- Keywords: puzzle, inspired by Tricky Towers, open content, remake, skill, multiplayer
+- Keywords: puzzle, inspired by Tricky Towers, multiplayer, open content, remake, skill
 - Code repository: https://github.com/SteveSmith16384/TumblyTowers.git
 - Code language: Java
 - Code license: MIT
--- a/statistics.md
+++ b/statistics.md
--- a/tools/archives.json
+++ b/tools/archives.json
@ -10,7 +10,7 @@
  "https://anongit.kde.org/kmines.git",
  "https://anongit.kde.org/ksnakeduel.git",
  "https://anongit.kde.org/ksudoku.git",
-  "https://bitbucket.org/SteveSmith16384/trickytowers.git",
+  "https://anongit.kde.org/palapeli.git",
  "https://bitbucket.org/annexctw/annex.git",
  "https://bitbucket.org/czirkoszoltan/gdash.git",
  "https://bitbucket.org/dalerank/caesaria.git",
@ -102,11 +102,14 @@
  "https://git.savannah.gnu.org/git/rpge.git",
  "https://git.savannah.nongnu.org/git/hexoshi.git",
  "https://git.savannah.nongnu.org/git/lordsawar.git",
+  "https://git.savannah.nongnu.org/git/pacewar.git",
+  "https://git.savannah.nongnu.org/git/retux.git",
  "https://git.tukaani.org/xz.git",
  "https://git.tuxfamily.org/baller/baller.git",
  "https://git.tuxfamily.org/boohu/boohu.git",
  "https://git.tuxfamily.org/fanwor/fanwor.git",
  "https://git.tuxfamily.org/harmonist/harmonist.git",
+  "https://git.tuxfamily.org/rba/rogueboxadventures.git",
  "https://github.com/0ad/0ad.git",
  "https://github.com/AdamAtomic/flixel.git",
  "https://github.com/AdrienTD/wkbre.git",
@ -119,6 +122,7 @@
  "https://github.com/Ancurio/mkxp.git",
  "https://github.com/AndO3131/lgeneral.git",
  "https://github.com/Andrettin/Wyrmgus.git",
+  "https://github.com/AnotherFoxGuy/Peragro-Tempus.git",
  "https://github.com/Anthonymcqueen21/Pygame---Alien-Invasion.git",
  "https://github.com/Anuken/Mindustry.git",
  "https://github.com/Arantis/Meridian59_112.git",
@ -317,6 +321,8 @@
  "https://github.com/SpaceTraderGame/SpaceTrader-Windows.git",
  "https://github.com/Stabyourself/mari0.git",
  "https://github.com/SteveSmith16384/PhysicsPlatformer.git",
+  "https://github.com/SteveSmith16384/PhysicsSpaceWar.git",
+  "https://github.com/SteveSmith16384/TumblyTowers.git",
  "https://github.com/SupSuper/OpenXcom.git",
  "https://github.com/SuperTux/supertux.git",
  "https://github.com/TASVideos/desmume.git",
@ -365,6 +371,7 @@
  "https://github.com/acmepjz/meandmyshadow.git",
  "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/ajweeks/FlexEngine.git",
  "https://github.com/ajxs/jsFO.git",
@ -491,6 +498,7 @@
  "https://github.com/dulsi/ostrichriders.git",
  "https://github.com/dungeons-of-moria/umoria.git",
  "https://github.com/dxx-rebirth/dxx-rebirth.git",
+  "https://github.com/ebuc99/pacman.git",
  "https://github.com/ec429/harris.git",
  "https://github.com/egoboo/egoboo.git",
  "https://github.com/eguneys/lose-your-marbles.git",
@ -502,6 +510,7 @@
  "https://github.com/englercj/lttp-phaser.git",
  "https://github.com/enigma-dev/enigma-dev.git",
  "https://github.com/enriquesomolinos/DreeRally.git",
+  "https://github.com/enz/pentobi.git",
  "https://github.com/eprikazchikov/thunder.git",
  "https://github.com/erincatto/Box2D.git",
  "https://github.com/estevaofon/angry-birds-python.git",
@ -578,6 +587,8 @@
  "https://github.com/isovector/adventure.git",
  "https://github.com/itsapi/pycraft.git",
  "https://github.com/ivansafrin/Polycode.git",
+  "https://github.com/j-jorge/bear.git",
+  "https://github.com/j-jorge/plee-the-bear.git",
  "https://github.com/jMonkeyEngine/jmonkeyengine.git",
  "https://github.com/ja2-stracciatella/ja2-stracciatella.git",
  "https://github.com/jakowskidev/uMario_Jakowski.git",
@ -712,6 +723,7 @@
  "https://github.com/ospaceteam/outerspace.git",
  "https://github.com/ozkriff/zoc.git",
  "https://github.com/panda3d/panda3d.git",
+  "https://github.com/pasky/pachi.git",
  "https://github.com/paulsapps/alive.git",
  "https://github.com/pelya/commandergenius.git",
  "https://github.com/pentagram-u8/pentagram.git",
@ -723,6 +735,7 @@
  "https://github.com/pjasicek/OpenClaw.git",
  "https://github.com/pjotrligthart/openmoo2-hg-mirror.git",
  "https://github.com/plaimi/limbs-off.git",
+  "https://github.com/plaimi/q.git",
  "https://github.com/plainsightcollection/plainsightcollection.github.io.git",
  "https://github.com/platzhersh/pacman-canvas.git",
  "https://github.com/pokerth/pokerth.git",
@ -734,6 +747,7 @@
  "https://github.com/ptitSeb/gl4es.git",
  "https://github.com/pushover/pushover.github.io.git",
  "https://github.com/pwmarcz/netacka.git",
+  "https://github.com/pychess/pychess.git",
  "https://github.com/pygame/pygame.git",
  "https://github.com/q-gears/q-gears.git",
  "https://github.com/q4a/scourge.git",
@ -763,6 +777,7 @@
  "https://github.com/rpgboss/rpgboss.git",
  "https://github.com/runelite/runelite.git",
  "https://github.com/rwengine/openrw.git",
+  "https://github.com/ryanb/ruby-warrior.git",
  "https://github.com/rystills/rock-raiders-remake.git",
  "https://github.com/sabetts/bratwurst.git",
  "https://github.com/sago007/annchienta.git",
@ -810,6 +825,7 @@
  "https://github.com/stepmania/stepmania.git",
  "https://github.com/stople/OpenTitus.git",
  "https://github.com/stuntrally/stuntrally.git",
+  "https://github.com/styx/Raincat.git",
  "https://github.com/subchannel13/Stareater.git",
  "https://github.com/suijingfeng/vkOpenArena.git",
  "https://github.com/sulix/omnispeak.git",
@ -918,6 +934,7 @@
  "https://gitlab.com/larienna/cppgame_wizardry.git",
  "https://gitlab.com/librebob/athenaeum.git",
  "https://gitlab.com/lierolibre/lierolibre.git",
+  "https://gitlab.com/luckeyproductions/Quatter.git",
  "https://gitlab.com/luckeyproductions/heXon.git",
  "https://gitlab.com/manaplus/manaplus.git",
  "https://gitlab.com/osgames/aatraders.git",
@ -1089,9 +1106,11 @@
  "https://gitlab.com/xonotic/xonotic.git",
  "https://gitlab.gnome.org/GNOME/gcompris.git",
  "https://gitlab.gnome.org/GNOME/libxml2.git",
+  "https://gitlab.gnome.org/GNOME/quadrapassel.git",
  "https://gitlab.openrsc.com/open-rsc/Game.git",
  "https://gitlab.openrsc.com/open-rsc/Single-Player.git",
  "https://gitorious.org/turious/turious.git",
+  "https://repo.or.cz/pachi.git",
  "https://salsa.debian.org/games-team/bloboats.git",
  "https://src.fedoraproject.org/rpms/blobwars.git"
 ],
@ -1112,9 +1131,11 @@
  "https://svn.code.sf.net/p/galaxyv2/code/",
  "https://svn.code.sf.net/p/hhexen/code/",
  "https://svn.code.sf.net/p/lgames/code/",
+  "https://svn.code.sf.net/p/osgg/code/",
  "https://svn.code.sf.net/p/pio/code/",
  "https://svn.code.sf.net/p/planeshift/code/",
  "https://svn.code.sf.net/p/plib/code/",
+  "https://svn.code.sf.net/p/powermanga/code/",
  "https://svn.code.sf.net/p/privateer/code/",
  "https://svn.code.sf.net/p/quakespasm/code/",
  "https://svn.code.sf.net/p/spacezero/code/",
--- a/tools/backlog.txt
+++ b/tools/backlog.txt
@ -30,6 +30,7 @@ http://lazerbears.wixsite.com/lazerbears/cr-editor
 http://lgames.sourceforge.net/ (all of them)
 http://libagar.org/agar/index.html.en
 http://libsdl-android.sourceforge.net/
+http://linux.tlk.fr/games/TecnoballZ/
 http://lukaszjakowski.pl/ (games apart from uMario)
 http://m484games.ucoz.com/
 http://martindrapeau.github.io/backbone-game-engine/
@ -96,6 +97,7 @@ http://www.j4game.com/
 http://www.kiwijs.org/
 http://www.klinksoftware.com/
 http://www.layabox.com/en/
+http://www.linux-games.com/ (all there)
 http://www.linuxdevcenter.com/pub/a/linux/2003/04/24/exult.html
 http://www.mekwars.org/
 http://www.myandroidonline.com/category/games/
@ -115,6 +117,7 @@ http://www.vbgore.com/Main_Page
 http://www.zeldaroth.fr/us/zroth.php
 http://www.zsnes.com/ emulator/platform
 https://001gamecreator.com/
+https://agateau.com/games/
 https://aleph-one-marathon.github.io/
 https://alternativeto.net/ query with only open source as opten
 https://app.assembla.com/spaces/openrpg/wiki
@ -169,7 +172,7 @@ https://games.kde.org/old/kde_arcade.php
 https://gdevelop-app.com/
 https://github.com/00-Evan/shattered-pixel-dungeon
 https://github.com/acedogblast/Project-Uranium-Godot
-https://github.com/agateau/pixelwheels
+https://github.com/AdamsLair/duality
 https://github.com/Alzter/TuxBuilder
 https://github.com/amerkoleci/Vortice.Windows
 https://github.com/ao-libre/ao-cliente
@ -190,9 +193,11 @@ https://github.com/collections/productivity-tools (maybe for statistical purpose
 https://github.com/collections/software-development-tools (maybe we can apply some of them across the board)
 https://github.com/collections/tools-for-open-source (maybe we can apply some)
 https://github.com/collections/web-games (only OS)
+https://github.com/collinhover/kaiopua
 https://github.com/cookgreen/Yuris-Revenge
 https://github.com/Cortrah/SpaceOperaDesign, https://github.com/Cortrah/SpaceOperaRuby/blob/master/design/turnstyles.md
 https://github.com/cping/LGame
+https://github.com/CytopiaTeam/Cytopia
 https://github.com/DaanVanYperen/artemis-odb-contrib
 https://github.com/DeflatedPickle/FAOSDance
 https://github.com/delaford/game
@ -226,6 +231,9 @@ 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/kig/runfield
+https://github.com/kimkulling/osre
+https://github.com/klaussilveira/ioquake3.js
 https://github.com/Kosmonaut3d/DeferredEngine
 https://github.com/LgLinus/StrategyGame
 https://github.com/libretro/libretro-prboom
@ -291,6 +299,7 @@ https://gottcode.org/
 https://instead3.syscall.ru/
 https://itch.io/ (scrape, look for open source)
 https://jcrpg.blogspot.de/
+https://kde.org/applications/games
 https://kde.org/applications/games/ (all of them)
 https://lgdb.org/ (ask on reddit for archived version)
 https://lgdb.org/engine/rawgl
@ -310,6 +319,7 @@ 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://pr-starfighter.github.io/
 https://pygame.org/project-Dododu-1134-.html
 https://pygame.org/project-Lands+of+Elderlore-294-.html
 https://pygame.org/project-LOF-2296-.html
@ -407,8 +417,10 @@ https://verge-rpg.com/
 https://voltisoft.com/miragelegacy
 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://web.archive.org/web/20170714065728/http://users.olis.net.au/zel/
 https://wiki.debian.org/Games/Unsuitable
 https://www.adventuregamestudio.co.uk/
+https://www.allegro.cc/depot/strategy/ (and all other genres there)
 https://www.b3dgs.com/v7/page.php?lang=en&section=projects
 https://www.bennugd.org/
 https://www.blender.org/
--- a/tools/libregamewiki_synchronization.py
+++ b/tools/libregamewiki_synchronization.py
@ -31,7 +31,7 @@ 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', 'HeXon': 'heXon', 'Unnethack': 'UnNetHack', 'Nova Pinball': 'NOVA PINBALL', 'Jump n Bump': "Jump'n'Bump", 'Blades of Exile': 'Classic Blades of Exile', 'BlinKen': 'Blinken',
                     'Colobot': 'Colobot: Gold Edition', 'Dead Justice': 'Cat Mother Dead Justice', 'FreeDink': 'GNU FreeDink', 'FRaBs': 'fRaBs', 'Harmonist': 'Harmonist: Dayoriah Clan Infiltration', 'Iris2 3D Client - for Ultima Online': 'Iris2',
-                     'Java Classic Role Playing Game': 'jClassicRPG', 'LambdaRouge': 'LambdaRogue: The Book of Stars'}
+                     'Java Classic Role Playing Game': 'jClassicRPG', 'LambdaRouge': 'LambdaRogue: The Book of Stars', 'Osgg': 'OldSkool Gravity Game', 'PyRacerz': 'pyRacerz'}
 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', 'Blocks',
                 'Brickshooter', 'Bweakfwu', 'Cheese Boys', 'Clippers', 'Codewars', 'CRAFT: The Vicious Vikings', 'DQM', 'EmMines', 'Eskimo-run', 'Feuerkraft', 'Fight or Perish', 'Flatland', 'Forest patrol', 'Free Reign', 'GalaxyMage',
                 'Gloss', 'GRUB Invaders', 'Howitzer Skirmish', 'Imperium: Sticks', 'Interstate Outlaws', 'GNOME Games', 'KDE Games', 'LegacyClone', 'Memonix', 'Ninjapix', 'Neverputt', 'Militia Defense']