| Title | Released | Developer | Publisher | 
| G Senjō no Maō | 2008 | Akabeisoft2 | Akabeisoft2 | 
| G-Darius | 2001 | Taito | CyberFront Corporation, MediaKite, Sourcenext | 
| G-Force | 2009 | Eurocom | Disney Interactive Studios | 
| G-Nome | 1997 | 7th Level | 7th Level | 
| G-Police | 1997 | Psygnosis | Psygnosis | 
| G.I. Joe: The Rise of Cobra | 2009 | Double Helix Games | Electronic Arts | 
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned | 1999 | Sierra On-Line | Sierra On-Line | 
| Gabriel Knight: Sins of the Fathers | 1993 | Sierra On-Line | Sierra On-Line | 
| Gadget Trial | 2006 | KOGADO Studio | KOGADO Studio | 
| Gadget: Invention, Travel, & Adventure | 1993 | Synergy, Inc. | Synergy Interactive | 
| Galactic Civilizations | 2003 | Stardock | Strategy First | 
| Galactic Civilizations II: Dark Avatar | 2007 | Stardock | Stardock | 
| Galactic Civilizations II: Dread Lords | 2006 | Stardock | Stardock | 
| Galactic Civilizations II: Endless Universe | 2008 | Stardock | Kalypso Media | 
| Galactic Civilizations II: Twilight of the Arnor | 2008 | Stardock | Stardock | 
| Galaforce Worlds | 2003 | Superior Interactive | Superior Interactive | 
| Galaga: Destination Earth | 2000 | King of the Jungle Ltd. | Hasbro Interactive | 
| Game Tycoon | 2006 | Tri Synergy | Tri Synergy | 
| Gang Beasts | 2014 | Boneloaf | Boneloaf | 
| Gang Garrison 2 | 2008 | Gang Garrison 2 Team |  | 
| Garfield: A Tail of Two Kitties | 2006 | Two Tribes B.V. | The Game Factory | 
| Garfield: Caught in the Act | 1996 | Point of View, Inc. | Sega | 
| Garry's Mod | 2005 | Team Garry | Valve Corporation | 
| Gary Grigsby's World At War | 2005 | 2 by 3 Games | Black Bean Games | 
| Gate 88 | 2005 | Queasy Games |  | 
| Gateway | 1992 | Legend Entertainment | Legend Entertainment | 
| Gearhead Garage | 1999 | Mekada | Activision | 
| Gears of War | 2006 | Epic Games | Microsoft Game Studios | 
| Gemsweeper | 2007 | Lobstersoft | Lobstersoft | 
| Geneforge | 2001 | Spiderweb Software | Spiderweb Software | 
| Geneforge 2 | 2003 | Spiderweb Software | Spiderweb Software | 
| Geneforge 3 | 2005 | Spiderweb Software | Spiderweb Software | 
| Geneforge 4: Rebellion | 2006 | Spiderweb Software | Spiderweb Software | 
| Geneforge 5: Overthrow | 2008 | Spiderweb Software | Spiderweb Software | 
| General | 1999 | NewGame Software |  | 
| GeneRally | 2002 | Hannu and Jukka Räbinä | Hannu and Jukka Räbinä | 
| Genesis Rising: The Universal Crusade | 2007 | Metamorf Studios | DreamCatcher Interactive | 
| Genesys | 2000 | Cybele Productions, Wanadoo Edition | Cybele Productions, Wanadoo Edition | 
| Genewars | 1996 | Bullfrog Productions | Electronic Arts | 
| Geometry Wars | 2003 | Bizarre Creations | Microsoft Game Studios | 
| Get Medieval | 1998 | Monolith Productions | Monolith Productions | 
| Gex | 1994 | Crystal Dynamics | BMG Interactive | 
| Gex 3: Deep Cover Gecko | 1999 | Crystal Dynamics | Crave Entertainment | 
| Gex: Enter the Gecko | 1998 | Crystal Dynamics | Eidos Interactive | 
| Ghajini - The Game | 2009 | Fx Labs | Fx Labs | 
| Ghost Master | 2003 | Sick Puppies | Empire Interactive, Feral Interactive | 
| Ghost of a Tale | 2015 | SeithCG | SeithCG | 
| Ghostbusters: The Video Game | 2009 | Terminal Reality, Threewave Software | Atari | 
| Giants: Citizen Kabuto | 2000 | Planet Moon Studios | Interplay Entertainment | 
| Gibbage | 2006 | Dan Marshall |  | 
| Giri Giri Love | 2002 | Hayashi-Gumi | Hayashi-Gumi | 
| Gish | 2004 | Cryptic Sea | Chronic Logic, Valve Corporation, Stardock | 
| Gizmos & Gadgets! | 1993 | The Learning Company | The Learning Company | 
| Gladiator: Sword of Vengeance | 2003 | Acclaim Studios Manchester | Acclaim Entertainment | 
| Gladiators of Rome | 2002 | Cat Daddy Games LLC | Activision Value | 
| Glest | 2004 | Glest Team |  | 
| Global Conflict: Palestine | 2007 | Serious Games Interactive | Gamers Gate, Manifesto Games, Macgamestore | 
| Global Conflicts: Latin America | 2008 | Serious Games Interactive | Gamers Gate, Manifesto Games, Macgamestore | 
| Global Operations | 2002 | Barking Dog Studios | Crave Entertainment | 
| Globulation 2 | 2009 | Globulation 2 Team |  | 
| Glory of the Roman Empire | 2006 | Haemimont Games | CDV Software, FX Interactive | 
| Glove on Fight | 2002 | Watanabe Seisakujo | Watanabe Seisakujo | 
| Glover | 1998 | Interactive Studios | Hasbro Interactive | 
| GNU Chess |  | The GNU Chess Team |  | 
| Gobliins 2 - The Prince Buffoon | 1995 | Coktel Vision | Sierra On-Line | 
| Gobliiins 4 | 2009 | Société Pollene | Kalypso Media UK Ltd | 
| The Godfather II | 2009 | EA Redwood Shores | Electronic Arts | 
| Godfather: The Game | 2006 | Electronic Arts | Electronic Arts | 
| Gods and Generals | 2003 | Anivision | Activision Value | 
| The Golden Compass | 2007 | Shiny Entertainment | Sega | 
| GoldenEye: Source | 2010 | Team Goldeneye: Source |  | 
| Golf Resort Tycoon | 2001 | Cat Daddy Games | Activision | 
| Golf Resort Tycoon II | 2002 | Cat Daddy Games | Activision | 
| Google Lively | 2008 | Google Inc. | Google Inc. | 
| Gore: Ultimate Soldier | 2002 | 4D Rulers | DreamCatcher Games | 
| Gothic | 2001 | Piranha Bytes | Egmont Interactive | 
| Gothic 3: Forsaken Gods | 2008 | Trine Games | JoWooD Productions | 
| Gothic II | 2002 | Piranha Bytes | JoWood | 
| Gothic II: Night of the Raven | 2003 | Piranha Bytes | JoWood, Aspyr | 
| GP Challenge | 2002 | Midas Interactive Entertainment | Midas Interactive Entertainment | 
| Granado Espada | 2007 | IMC Games Co.,Ltd. | IMC Games Co.,Ltd. | 
| Grand Ages: Rome | 2009 | Haemimont Games | Kalypso Media | 
| Grand Prix 3 | 2000 | MicroProse | Hasbro Interactive | 
| Grand Prix 4 | 2002 | MicroProse | Infogrames | 
| Grand Prix Legends | 1998 | Papyrus Design Group | Sierra Entertainment | 
| Grand Prix Manager 2 | 1996 | Edward Grabowski Communications Ltd | Microprose | 
| Grand Theft Auto | 1997 | DMA Design | BMG Interactive, ASC Games | 
| Grand Theft Auto 2 | 1999 | DMA Design | Rockstar Games | 
| Grand Theft Auto III | 2001 | DMA Design | Rockstar Games | 
| Grand Theft Auto IV | 2008 | Rockstar North | Rockstar Games | 
| Grand Theft Auto V | 2015 | Rockstar North | Rockstar Games | 
| Grand Theft Auto: London 1969 | 1999 | Rockstar Canada | ASC Games | 
| Grand Theft Auto: London 1961 | 1999 | Rockstar Canada | ASC Games | 
| Grand Theft Auto: San Andreas | 2004 | Rockstar North | Rockstar Games | 
| Grand Theft Auto: Vice City | 2002 | Rockstar North | Rockstar Games | 
| Grandia II | 2000 | Game Arts | Ubisoft | 
| Grandmaster Chess | 1993 | IntraCorp | Capstone Software | 
| Granny's Garden |  | 4Mation | 4Mation | 
| The Great Escape | 2003 | Pivotal Games | SCi Games | 
| Great Invasions | 2005 | Philippe Thibaut, Luca Cammisa | Nobilis, Strategy First | 
| Great Tree, The | 2007 | Reflexive Entertainment | Reflexive Entertainment | 
| Greens, The | 1993 | Shadoware | Shadoware | 
| Green Green | 2001 | Groover | Groover | 
| Gregory and the Hot Air Balloon | 1996 | Capitol Multimedia, Inc. | Brøderbund | 
| Grey's Anatomy: The Video Game | 2009 | Longtail Studios | Ubisoft | 
| Grid Runner | 1996 | Radical Entertainment | Virgin Interactive | 
| Gridrunner Revolution | 2009 | Llamasoft | Llamasoft | 
| Gridrunner++ | 2002 | Llamasoft | Llamasoft | 
| The Grim Adventures of Billy & Mandy | 2006 | High Voltage Software | Midway Games | 
| Grim Fandango | 1998 | LucasArts | LucasArts | 
| Ground Control | 2000 | Massive Entertainment | Sierra On-Line | 
| Ground Control II: Operation Exodus | 2004 | Massive Entertainment | Vivendi Universal | 
| Ground Control: Dark Conspiracy | 2000 | Massive Entertainment | Sierra Studios | 
| Gruntz | 1999 | Monolith Productions | Monolith Productions | 
| GT Legends | 2005 | Simbin | Atari | 
| GT Racers | 2004 | Aqua Pacific | Oxygen Interactive | 
| GTR – FIA GT Racing Game | 2005 | SimBin | Atari | 
| GTR 2 – FIA GT Racing Game | 2006 | Blimey! Games Ltd. (under license to SimBin) | Blimey! Games Ltd. | 
| The Guild 2 | 2006 | 4HEAD Studios | JoWood Productions | 
| Guild Wars 2 | 2012 | ArenaNet | NCsoft | 
| Guild Wars Factions | 2006 | ArenaNet | NCSoft | 
| Guild Wars Nightfall | 2006 | ArenaNet | NCSoft | 
| Guild Wars Prophecies | 2005 | ArenaNet | NCsoft | 
| Guild Wars: Eye of the North | 2007 | ArenaNet | NCSoft | 
| Guilty Gear Isuka | 2005 | Arc System Works | Sourcenext, Bitway, Zoo Digital Publishing | 
| Guilty Gear X | 2000 | Arc System Works | CyberFront Corporation, I-DreamSoft | 
| Guilty Gear XX | 2002 | Arc System Works | Sammy Studios | 
| Guitar Hero III: Legends of Rock | 2007 | Aspyr Media | Activision | 
| Guitar Hero: Aerosmith | 2008 | Neversoft | Activision | 
| Guitar Praise | 2008 | Digital Praise | Digital Praise | 
| Gulf War: Operation Desert Hammer | 1999 | 3DO | 3DO | 
| Gun | 2005 | Neversoft, Beenox | Activision | 
| Gun Metal | 2002 | Rage Software | ZOO Digital Publishing Ltd, Strategy First | 
| GunBound | 2005 | softnyx | GOA, softnyx, HANGAME, ijji | 
| Gunman Chronicles | 2000 | Rewolf Software | Sierra Studios | 
| Gunrox | 2008 | Enkord | Enkord | 
| Gurumin: A Monstrous Adventure | 2004 | Nihon Falcom | Nihon Falcom, Mastiff, 505 Game Street | 
| The Guy Game | 2004 | Topheavy Studios | Gathering |