| Geoff Blair | Developer | |
| Geoff Brown | Developer | |
| Geoff Calder | Developer | |
| Geoff Crammond | Developer | |
| Geoff Moore | Developer | |
| Geoffrey Silverton | Developer | |
| Geometric Orbit | Developer | |
| Geometrix Interactive | Developer | |
| George | Developer | |
| George Rethnar Katsianos | Developer | |
| George B. Green | Developer | |
| George Batchelor | Developer | |
| George Blank | Developer | |
| George Broussard | Developer | |
| George Cranton | Developer | |
| George D. Deluca | Developer | |
| George Games Studio | Developer | |
| George Karboulonis | Developer | |
| George Larkwright | Developer | |
| George Leritte | Developer | |
| George Maneta | Developer | |
| George Mathews | Developer | |
| George Pagkalis | Developer | |
| George Prosser | Developer | |
| George Santos | Developer | |
| GeorgeKle | Developer | |
| GeorgeKruger | Developer | |
| Georgina | Developer | |
| Georgio Klironomos | Developer | |
| Georgy | Developer | |
| Geostatonary | Developer | |
| Gerald Burke | Developer | |
| Gerald M. Wluka | Developer | |
| Gerald Rosen Inc. | DeveloperPublisher | |
| Gerard Balaguer Gurrera | Developer | |
| Gerard Gourley | Developer | |
| Gerardo Reynaga | Developer | |
| Gerbil | Developer | |
| Gerblesh | Developer | |
| Gerhard Atze | Developer | |
| Gerhard Wonner | Developer | |
| Geri | Developer | |
| GeriBP | Developer | |
| German Design Group | Developer | |
| GermanMorales | Developer | |
| Germansanta | Developer | |
| Germán López | Developer | |
| Gerrark | Developer | |
| GertyGame | Developer | |
| GetAVirusForFree | Developer | |
| GetCompt | Developer | |
| GetOmega | Developer | |
| GetUpKidAK | Developer | |
| GetWheelHigh | Developer | |
| Getzaa | Developer | |
| Gevo Entertainment | Developer | |
| Geyk0 | Developer | |
| Gfrid | Developer | |
| Ghast | Developer | |
| Ghen | Developer | |
| Ghetto Games | Developer | |
| Ghomerr | Developer | |
| Ghost | Developer | |
| Ghost Assembly | Developer | |
| Ghost Box Design | Developer | |
| Ghost Clown | Developer | |
| Ghost Crab Games | Developer | |
| Ghost Creative Studio | Developer | |
| Ghost Friends Entertainment | Developer | |
| Ghost Games | Developer | |
| Ghost Garden | Developer | |
| Ghost Goat | Developer | |
| Ghost Juice Games | Developer | |
| Ghost Meat | Developer | |
| Ghost Sector | Developer | |
| Ghost Ship Games | Developer | |
| Ghost Time Games | DeveloperPublisher | |
| Ghost Town Games | Developer | |
| Ghost in a Bottle | Developer | |
| Ghost007 | Developer | |
| GhostBitStudios | Developer | |
| GhostFromTheVoid | Developer | |
| GhostGoats | Developer | |
| GhostMiner | Developer | |
| GhostOfTheWind | Developer | |
| GhostParty | Developer | |
| GhostWolf | Developer | |
| Ghostboi | Developer | |
| Ghostbolt Games | Developer | |
| Ghostburgergames | Developer | |
| Ghostbutter | Developer | |
| GhostieSpectie | Developer | |
| Ghostknot Games | Developer | |
| Ghostlight | DeveloperPublisher | |
| GhostlightEU | Publisher | |
| GhostlightPAL | Publisher | |
| GhostlyFeline | Developer | |
| Ghostlygurustudios | Developer | |
| Ghostomato | Developer | |
| GhostpixelGames | Developer | |
| Ghostwhale Studio | Developer | |
| Ghostwind | Developer | |
| Ghouti | Developer | |
| Ghys Sudios | Developer | |
| Giack_ | Developer | |
| Giancarlo Taveira | Developer | |
| Giancarlo Valente | Developer | |
| Gianni Beninati | Developer | |
| Giannios A. | Developer | |
| Giant Army | Developer | |
| Giant Evil Robot | Developer | |
| Giant Interactive Entertainment | DeveloperPublisher | |
| Giant Margarita | DeveloperPublisher | |
| Giant Media Group | DeveloperPublisher | |
| Giant Monkey Robot | Developer | |
| Giant Sparrow | Developer | |
| Giant Squid | Developer | |
| Giant Squid Studios | Developer | |
| Giant Toad Software | DeveloperPublisher | |
| GiantEnemyLabs | Developer | |
| GiantPearl | Developer | |
| GiantWoman | Developer | |
| GiantWormStudios | Developer | |
| Giants Software | Developer | |
| Giantswing | Developer | |
| GibbonOfLiff | Developer | |
| GibbousGame | Developer | |
| Gideonnf | Developer | |
| Gift Ten Industry | Developer | |
| Gift-Games | Developer | |
| Giga | DeveloperPublisher | |
| Giga Games (Alan Laird, Ian Morrison) | Developer | |
| Gigabit Systems | DeveloperPublisher | |
| GiganticBurgers | Developer | |
| GigasDrop | Publisher | |
| Gigatech Studios | Developer | |
| Gigawatt Studios | Developer | |
| GigglesandGlasses | Developer | |
| Gigglywurx | Developer | |
| Gigi42 | Developer | |
| Gigoia Studios | Developer | |
| Giguz | Developer | |
| Gijs Westerdijk | Developer | |
| Gil Jaysmith | Developer | |
| Gil4 | Developer | |
| Gilazarini | Developer | |
| Gilberto Mayworm III | Developer | |
| GildedOctopusStudios | Developer | |
| Gildedguy | Developer | |
| Giles Williams | Developer | |
| Gillian Buckelew | Developer | |
| Gilman Louie | Developer | |
| Gimagin | Developer | |
| Gimmick House | DeveloperPublisher | |
| Gimmick Studios | Developer | |
| Gina | Developer | |
| Gina Al Halabi | Developer | |
| GingaIsland | Developer | |
| GingerBAUZ | Developer | |
| GingerEnslaver | Developer | |
| GingerPixels | Developer | |
| Gini Wren | Developer | |
| Ginkgo | Developer | |
| Gins | Developer | |
| Gioele Casazza | Developer | |
| Giome | Developer | |
| GiooG | Developer | |
| Giordano Nin | Developer | |
| Giorgio Malvone | Developer | |
| Giovanna Lopes | Developer | |
| Giovanni Morales | Developer | |
| Giovannigascot | Developer | |
| Gip Games | Developer | |
| Giphyy | Developer | |
| Gipzo | Developer | |
| Giraffe Cat | Developer | |
| Giratron | Developer | |
| Girls Make Games | Developer | |
| Giromancy | Developer | |
| Gitarion | Developer | |
| Gitch | Developer | |
| GiudarkGames | Developer | |
| Giulia Levada | Developer | |
| GiuliaC | Developer | |
| Giunti Multimedia | Publisher | |
| Gius Caminiti | Developer | |
| Givantaro Agusta | Developer | |
| Givro | Developer | |
| Givro Corporation | Developer | |
| Gixel Studio | Developer | |
| Gizmo Games | Developer | |
| Gizmo199 | Developer | |
| Gizmondo Eur Ltd | Publisher | |
| Gizmondo Games | Publisher | |
| Gizmondo Studios | Publisher | |
| Gizmondo Studios Manchester | Developer | |
| Giznads | Developer | |
| Glacierr | Developer | |
| Gladralf | Developer | |
| Glaikunt | Developer | |