| title | developer | year | platform | | pop. |
|---|
| Galactic Civilizations | Stardock | 2003 | Windows | manag./econ. strategy Science Fiction | image | | label | |
| Galak-Z | 17-bit | 2015 | Linux | | | | label | |
| Galaxy of Pen & Paper | Behold Studios | 2017 | Linux | simulation role-play Fantasy | | | label | |
| Garou: Mark of the Wolves | SNK | 2015 | Linux | fighting Manga | | | label | |
| Gateway to the Savage Frontier | SSI Special Projects Group;Beyond Software | 2015 | Linux | role-play Fantasy | | | label | |
| Gateways | Smudged Cat Games | 2012 | Linux | platformer puzzle Science Fiction | | | label | |
| Gemini Rue | Wadjet Eye Games | 2011 | Linux | action/reflex adventure Science Fiction | | | label | |
| Ghost of a Tale | SeithCG | 2018 | Windows | adventure Fantasy | image | | label | |
| Giana Sisters: Twisted Dreams | Black Forest Games | 2012 | Windows | platformer Fantasy | image | | label | |
| Giants: Citizen Kabuto | Planet Moon Studios | 2000 | Windows | Fantasy | image | subject | label | |
| Gnomoria | Robotronic Games | 2013 | Linux | simulation strategy Fantasy | | | label | |
| Gods Will Be Watching | Deconstructeam | 2014 | Windows | simulation Science Fiction | image | | label | |
| Gods Will Be Watching | Deconstructeam | 2014 | Mac OS X | simulation Science Fiction | | | label | |
| Gods Will Be Watching | Deconstructeam | 2014 | Linux | simulation Science Fiction | | | label | |
| Gods Will Be Watching: Special Edition Upgrade | Deconstructeam | 2014 | Linux | simulation Science Fiction | | | label | |
| Goliath | Whalebox Studio | 2016 | Windows | action/reflex adventure role-play Fantasy | image | subject | label | |
| Gone Home | The Fullbright Company | 2013 | Linux | adventure | | subject | label | |
| Gone Home | The Fullbright Company | 2013 | Windows | adventure | image | subject | label | |
| GoNNER | Art in Heart | 2016 | Mac OS X | platformer shooter | | | label | |
| GoNNER | Art in Heart | 2016 | Linux | platformer shooter | | | label | |
| GoNNER | Art in Heart | 2016 | Windows | platformer shooter | | subject | label | |
| Goodbye Deponia | Daedalic Entertainment | 2014 | Linux | adventure Cartoon | | | label | |
| Gorky17 | Metropolis Software | 1999 | Windows | role-play turn-based Horror | image | | label | |
| Gothic | Piranha Bytes | 2001 | Windows | action/reflex role-play Fantasy | image | subject | label | |
| Gothic 2 | Piranha Bytes | 2002 | Windows | action/reflex role-play Fantasy | image | subject | label | |
| Gothic 2: The Night of the Raven | Piranha Bytes | 2003 | Windows | action/reflex role-play Fantasy | image | subject | label | |
| Gothic 3 | Piranha Bytes | 2006 | Windows | action/reflex adventure role-play Fantasy | image | subject | label | |
| Grandia II | Game Arts | 2002 | Windows | role-play Fantasy | image | | label | |
| Gratuitous Space Battles | Positech Games | 2011 | Linux | strategy Science Fiction | image | | label | |
| Gratuitous Space Battles II | Positech Games | 2015 | Linux | strategy Science Fiction | | | label | |
| Graveyard Keeper | Lazy Bear Games | 2018 | Windows | simulation adventure Fantasy | image | | label | |
| Grim Dawn | Crate Entertainment | 2016 | Windows | action/reflex role-play Fantasy | image | | label | |
| Grim Fandango Remastered | Double Fine | 2014 | Linux | adventure | | | label | |
| Grim Fandango Remastered | Double Fine | 2014 | Windows | adventure | | | label | |
| Grim Fandango Remastered | Double Fine | 2014 | Mac OS X | adventure | | | label | |
| Ground Control | Massive Entertainment | 2000 | Windows | strategy Science Fiction | image | subject | label | |
| Ground Control: Dark Conspiracy | High Voltage Software;Massive Entertainment | 2000 | Windows | strategy Science Fiction | image | | label | |
| Growbot | Wabisabi Play | 2021 | Linux | | | | label | |
| Guacamelee! | DrinkBox Studios | 2014 | Linux | beat 'em up platformer Fantasy | | | label | |
| Guild of Dungeoneering | Gambrinous | 2015 | Windows | role-play turn-based Fantasy | image | | label | |
| Guilty Gear Isuka | Arc System Works | 2005 | Windows | fighting Fantasy | image | subject | label | |
| Guilty Gear X2 #Reload | Arc System Works | 2006 | Windows | fighting Manga | | | label | |
