Games starting with G 
  
    
    
   
  
  Platform:  Original GalaxyMage is lost with the Internet Archive not having stored any snapshot of it.
  
  
    
    
  mature 
  inactive since 2005 
 
  
  Platform:  Play by email interstellar wargame for multiple players.
See also https://github.com/scumola/GalaxyNG, https://github.com/toddcarnes/goggle, [GalaxyView](https://sourceforge.net/projects/galaxyview/) a turn viewer for this project, https://github.com/gumpu/GalaxyNGV2
 
  Developers:  
  Bogdan Mincu  , 
  Chris Shaffer  , 
  Frans Slothouber  , 
  Geoff Lamperd  , 
  Ian Evans  , 
  Ken Weinert  , 
  Matthew Messana  , 
  Paul Heinzlreiter  , 
  ref  , 
  Steven Webb  , 
  Thomas Odaker   
  
  
  
 
  
    
    
   
  
  Platform:  Set in post Soviet environment.
 
  
  
  
 
  
    
    
  mature 
  inactive since 2016 
 
  
  
  Developers:  
  Adam Blake  , 
  Andrew Karpushin  , 
  bslack  , 
  Chris Culy  , 
  Christian  , 
  David Sauve  , 
  Elliot Saba  , 
  FunMiles  , 
  Ithai Levi  , 
  Jim Duchek  , 
  Jon Watte  , 
  Karim Ahmed  , 
  Kensuke Matsuzaki  , 
  Kieran Cunney  , 
  Marc Plano-Lesay  , 
  Marcin Jakubowski  , 
  Matt Styles  , 
  Michal Srb  , 
  Nick Landry  , 
  Noel Austin  , 
  Ramprasad Madhavan  , 
  rcmaniac25  , 
  SAUVAGEOT Paul-Arthur  , 
  Sean Taylor  , 
  Steve Grenier  , 
  Üstün Ergenoglu   
  
  
  
 
  
    
    
   
  
  
  Inspiration:  
  Team Fortress 2  
  Developers:  
  Alexander Nadeau  , 
  Andrea  , 
  ASBenz  , 
  BasedUser  , 
  Derpduck  , 
  jason  , 
  Lennert Claeys  , 
  Medo42  , 
  Michael Lin  , 
  nulldg  , 
  PrOF-kk  , 
  qoh  , 
  router   
  
  
  
 
  
    
    
  mature 
  inactive since 2013 
 
  
  
  
  
  
 
  
    
    
   
  
  Platforms:  Educational software suite offering numerous activities for children aged 2 to 10. Partly commercial.
 
  
  
  
 
  
    
    
   
  
  Platform:  As close to the original as possible.
  
  
    
    
   
  
  Platform:  Tools for using hexagonal grids in GDScript.
  
  
    
    
   
  
  Platform:  Roguelike mecha RPG series.
There are several successors.
  
  
    
    
   
  
  Platform:  Futuristic roguelike, sequel to GearHead.
  
  
    
    
   
  
  Platforms:  Placing gems in vertical lines destroys them and ultimately leads to completion of a level. It has been compared to "Tetris meets Space Invaders".
 
    Technical info 
  Code languages:  
  C  
  Code licenses:  GPL-2.0 
  Code dependencies:  
  SDL  
  
 
  
    
    
  mature 
  inactive since 2016 
 
  
  Platform:  Multiplayer Pac-Man where you control the ghosts. Designed as a programming game, but has human controls. Considered finished, but bugs will be fixed etc.
  
  
    
    
  mature 
  inactive since 2018 
 
  
  
  
  
  
 
  
    
    
  mature 
  inactive since 2018 
 
  
  
  
  
  
 
  
    
    
  mature 
  inactive since 2017 
 
  
  Platform:  The player controls a robot called GJID. The robot volunteered to cleanup the dungeon from dangerous weapons by moving them into recycling bins.
  
  
    
    
  mature 
  inactive since 2012 
 
  
  
  
  
  
 
  
    
    
  mature 
  inactive since 2005 
 
  
  
  Developers:  
  A Braunsdorf  , 
  Arne Reiners  , 
  Bernhard Kaindl  , 
  Bilal Ahsan  , 
  Cedric Delfosse  , 
  Eric Cheung  , 
  Eugene Andreeshchev  , 
  James Stone  , 
  Jean-Marc Le Peuvedic  , 
  Lourens Veen  , 
  Norbert Drexl  , 
  Piotr Pawlow  , 
  Thomas Drexl   
  
  
  
 
  
    
    
  mature 
  inactive since 2009 
 
  
  Platform:  See also [Glest Advanced Engine](https://sourceforge.net/projects/glestae/).
  
  
    
    
   
  
  Platform:  Reduces micro-management by automatically assigning tasks to units.
 
  
  
  
 
  
    
    
  mature 
  inactive since 2018 
 
  
  
  
  
  
 
  
    
    
   
  
  Platforms:  Is played with a dice and 4 pawns per player. Players have to move their pawns out of their nest, around the whole board, into the destination of the player's color.
  
  
    
    
   
  
  
  Inspiration:  
  Portal  
  Developers:  
  Ahmed Hussein  , 
  Aleksey Bykhun  , 
  Amir Uqdah  , 
  Bowen Yan  , 
  Celeste Wouters  , 
  Geert Custers  , 
  Henry Hirsch  , 
  Hermann Rolfes  , 
  JulianThijssen  , 
  Juraj Oravec  , 
  Nilay  , 
  PM  , 
  Simon Larsen  , 
  Stephan Vedder  , 
  xantares   
  
  
  
 
  
    
    
   
  
  Platforms:  3D snake game based on the light cycle portion of the film Tron.
 
  Inspiration:  
  Snake  
  Developers:  
  andi75  , 
  Andreas Umbach  , 
  Andy Howe  , 
  Darrell Walisser  , 
  Jonathan Atkins  , 
  kkaisershot  , 
  Martin Donlon  , 
  Nicolas Deniaud  , 
  nicolas zimmermann  , 
  Nou Phabmixay  , 
  Tim Peeler  , 
  Todd Kirby   
  
  
  
 
  
    
    
   
  
  Platform:  2D chess game for GNOME desktop. It automatically detects installed chess engines (such as GNU Chess) for computer players.
Formerly a part of GNOME Games.
  
  
    
    
  mature 
  inactive since 2015 
 
  
  Platform:  Hearts card game for the GNOME desktop.
 
  
  
  
 
  
    
    
  mature 
  inactive since 2017 
 
  
  Platforms:  Can be used together with a graphical frontend such as XBoard.
Windows binaries via https://sourceforge.net/projects/gnuwin32/
  
  
    
    
  mature 
  inactive since 2012 
 
  
  Platforms:  Dink Smallwood is an adventure/role-playing game, similar to Zelda (2D top view), made by RTsoft. FreeDink is a new and portable version of the game engine.
Based on RTSoft and Dan Walma works.
 
    Technical info 
  Code languages:  
  C  
  Code licenses:  GPL-3.0 
  Code repositories:  git.savannah.gnu.org/git/freedink.git , 
git.savannah.gnu.org/git/freedink/dfarc.git @add , 
git.savannah.gnu.org/git/freedink/dink-data.git @add , 
git.savannah.gnu.org/git/freedink/freedink-data.git @add , 
cvs.savannah.gnu.org:/sources/freedink 
  Code dependencies:  
  SDL 
  Assets licenses:  
  CC-BY , 
  
CC-BY-SA , 
  
Free Art , 
GPL-3.0 , 
  
Open Audio , 
WTFPL , 
zlib  
  
 
  
    
    
  mature 
  inactive since 2011 
 
  
  Platforms:  Go‐playing program.
Can also be used with graphical frontends like like GoGui, qGo and CGoban 1.
 
  
  
  
 
  
    
    
  mature 
  inactive since 2018 
 
  
  
  
  
  
 
  
    
    
  mature 
  inactive since 2011 
 
  
  Platforms:  Mouse controlled platformer about an earth worm.
 
    Technical info 
  Code languages:  
  ?  
  Code licenses:  GPL-3.0 
  Code dependencies:  
  SDL 
  Assets licenses:  CC-BY-SA-3.0  
  
 
  
    
    
  mature 
  inactive since 2018 
 
  
  Platform:  GoldenEye: Source is a multiplayer only total conversion modification of Half-Life 2.
  
  
    
    
   
  
  
  Inspiration:  
  Game of Life  
  Developers:  
  Adam P. Goucher  , 
  Alan Hensel  , 
  Andrew Trevorrow  , 
  Brenton Bostick  , 
  Chris Rowett  , 
  Dave Greene  , 
  Jason Summers  , 
  Maks Verver  , 
  Robert Munafo  , 
  Scorbie  , 
  tim_hutton  , 
  Tomas Rokicki  , 
  William R. Buckley   
  
  
  
 
  
    
    
  mature 
  inactive since 2014 
 
  
  
  
  
  
 
  
    
    
   
  
  Platforms:  See also https://launchpad.net/~gottcode/+archive/ubuntu/gcppa
 
    Technical info 
  Code languages:  
  C++  
  Code licenses:  GPL-3.0 
  Code dependencies:  
  Qt  
  
 
  
    
    
   
  
  Platforms:  An SDL remake of the old DOS game Arcade Volleyball.
  
  
    
    
  mature 
  inactive since 2006 
 
  
  Platform:  Anagrams-playing game.
 
    Technical info 
  Code languages:  
  Java  
  Code licenses:  
  ?  
  
 
  
    
    
  mature 
  inactive since 2008 
 
  
  Platforms:  Second autobiographical game by Jason Rohrer.
  
  
    
    
  mature 
  inactive since 2015 
 
  
  
  
  
  
 
  
    
    
   
  
  Platform:  Remake of the American Civil War game for DOS, originally developed by Dagger Interactive Technologies and Greenius, published by Empire Interactive in 1995.
  
  
    
    
   
  
  Platform:  Harvest Moon (SNES) remake for UWP and Xbox One. Is Windows, Linux supported?
  
  
    
    
  mature 
  inactive since 2017 
 
  
  
  
  
  
 
  
    
    
  mature 
  inactive since 2014 
 
  
  Platforms:  A real-time strategy programming game, in which you control teams of robots as they forage, reproduce and fight.
See also the [Java Port](https://github.com/manofsteel76667/Grobots_Java).
  
  
    
    
   
  
  Platforms:  Clone of the DOS game Liero.
  
  
    
    
   
  
  
  Inspirations:  
  Doom  , 
  Doom II  , 
  Heretic  , 
  Hexen  
  Developers:  
  3saster  , 
  Alexander Kromm (m8f)  , 
  alexey.lysiuk  , 
  Alison Watson  , 
  Alison Watson (Nightdive Studios)  , 
  argv-minus-one  , 
  arrowgent  , 
  Benjamin Moir  , 
  Blue-Shadow  , 
  Braden Obrzut  , 
  Cacodemon345  , 
  Chernoskill  , 
  Christoph Oelckers  , 
  Christopher Bruns  , 
  Chronos Ouroboros  , 
  Colton G. Rushton  , 
  David CARLIER  , 
  dondiego  , 
  Ed the Bat  , 
  Edoardo Prezioso  , 
  Edward Richardson (Nightdive Studios)  , 
  Eevee  , 
  Emile Belanger  , 
  Erick Tenorio  , 
  FishyClockwork  , 
  Gaerzi  , 
  Gutawer  , 
  j-palomo  , 
  Jordon Moss  , 
  JP LeBreton  , 
  K0stov  , 
  kcat  , 
  Kevin Caccamo  , 
  Kyle Evans  , 
  Leonard2  , 
  Lucy Phipps  , 
  Maarten Lensink  , 
  Magnus Norddahl  , 
  MajorCooke  , 
  Marisa Heit  , 
  Marisa Kirisame  , 
  MaxED  , 
  Michael Labbe  , 
  mykola-ambar  , 
  Nash Muhandes  , 
  Nemrtvi  , 
  nukeykt  , 
  Player701  , 
  raa-eruanna  , 
  Rachael Alexanderson  , 
  SanyaWaffles  , 
  Shawn Walker-Salas  , 
  Shiny Metagross  , 
  Sterling Parker  , 
  svdijk  , 
  Teemu Piippo  , 
  Thomas Hume  , 
  vanhofen  , 
  Vitaly Novichkov  , 
  William Breathitt Gray  , 
  Xaser Acheron  , 
  yqco  , 
  Zain Aamer  , 
  ZZYZX   
  
  
  
 
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