| GAMEBANK | Publisher | |
| GAMEINC20 | Developer | |
| GAMESS01 | Developer | |
| GAMIXI | Developer | |
| GASPOP Software | DeveloperPublisher | |
| GAU Entertainment | Developer | |
| GBAM13 | Developer | |
| GBPatch | Developer | |
| GCC | Publisher | |
| GCE | DeveloperPublisher | |
| GCKI | Developer | |
| GDD | Developer | |
| GDPOP | Developer | |
| GDPanda | Developer | |
| GECKO GECKO | Developer | |
| GELO | Developer | |
| GFI | Publisher | |
| GFI Russia | Publisher | |
| GFM | Developer | |
| GFX Construction | Developer | |
| GFX47 | Developer | |
| GF_Fan1698 | Developer | |
| GFish | Developer | |
| GG Studio | Developer | |
| GG Undroid Games | Developer | |
| GG4ming | Developer | |
| GGBot | Developer | |
| GGEntertainmentTeam | Developer | |
| GGGaijin | Developer | |
| GGH Games | Developer | |
| GGHF | Developer | |
| GGM_CAD | Developer | |
| GGTZEA | Developer | |
| GHESTAS | Developer | |
| GHMR | Developer | |
| GHPC Dev | Developer | |
| GHTeam | Developer | |
| GI.Corp | Developer | |
| GIAC | Developer | |
| GIACO_YO | Developer | |
| GIGA | DeveloperPublisher | |
| GIGA Co. | Publisher | |
| GIGA Team Baldrhead | Developer | |
| GIGABlTE | Developer | |
| GIGATANK 3000 | Developer | |
| GIL210* | Developer | |
| GIMMWorks | Developer | |
| GINOFM | Developer | |
| GINRA TECH | Developer | |
| GIOthermal | Developer | |
| GIRXAVIER | Developer | |
| GIS Studios | Developer | |
| GIST | Developer | |
| GIULIANI Thomas | Developer | |
| GIllianC | Developer | |
| GJCop | Developer | |
| GJDZ | Developer | |
| GKorn | Developer | |
| GL Games | Developer | |
| GLFaraday | Developer | |
| GLITCHGEIST | Developer | |
| GLITCH_CODER_404 | Developer | |
| GM Phillips | Developer | |
| GMDK | Developer | |
| GMF | DeveloperPublisher | |
| GMG Play | Publisher | |
| GMSOD | Developer | |
| GMX Media | Publisher | |
| GMX media | Publisher | |
| GMchris | Developer | |
| GN Software | DeveloperPublisher | |
| GN SoftwarePAL | Publisher | |
| GNSoftware | Publisher | |
| GNamimates | Developer | |
| GO! | Publisher | |
| GOA | Publisher | |
| GOBurrito | Developer | |
| GODFATHERS | Developer | |
| GOGAME | Publisher | |
| GOGO Grafix | Developer | |
| GOLEM300 | Developer | |
| GOO! | Developer | |
| GOOD BOY cooperative | Developer | |
| GOPPA | Developer | |
| GOVIT | Developer | |
| GPC Games | Developer | |
| GQBrendel | Developer | |
| GR3 Project | Developer | |
| GRAVITY Co., Ltd. | DeveloperPublisher | |
| GRBSLVR | Developer | |
| GRG | Developer | |
| GRIME | Developer | |
| GRIN | Developer | |
| GRIN Studios | Developer | |
| GRStudios | Developer | |
| GRUNND | Developer | |
| GS Andrade | Developer | |
| GS.Games | Developer | |
| GS2 Games | DeveloperPublisher | |
| GSC Game World | Developer | |
| GSC World Publishing | Publisher | |
| GSI | Developer | |
| GT Games | Developer | |
| GT Interactive | DeveloperPublisher | |
| GT Interactive (EU) | Publisher | |
| GT Interactive NA | Publisher | |
| GT Interactive PAL | Publisher | |
| GT Interactive Software | Publisher | |
| GT Interactive Software Corp. | Publisher | |
| GT InteractiveNA | Publisher | |
| GT InteractivePAL | Publisher | |
| GTE Entertainment | DeveloperPublisher | |
| GTE ImagiTrek | Developer | |
| GTE Interactive Media | DeveloperPublisher | |
| GTE Vantage | Developer | |
| GTEKK | Developer | |
| GTI Software | Publisher | |
| GTS | Developer | |
| GTshine | Developer | |
| GULTI Co Ltd | Developer | |
| GURN GROUP | Developer | |
| GUSH: Currently Pink | Developer | |
| GV2 | Developer | |
| GW | Publisher | |
| GWME Software | DeveloperPublisher | |
| GWRon | Developer | |
| GWS | Developer | |
| GWoolley | Developer | |
| GXB Interactive | Developer | |
| G_Boy | Developer | |
| GaUni | Developer | |
| Gab | Developer | |
| GabLucas17 | Developer | |
| Gabe | Developer | |
| Gabe Cuzzillo | Developer | |
| Gabe Swarr | Developer | |
| GabeJamesGames | Developer | |
| GabeTheDeadFish | Developer | |
| Gabeee | Developer | |
| Gabi Pinto | Developer | |
| Gabiszon | Developer | |
| Gabitasoft Entertainment | DeveloperPublisher | |
| Gabor Laufer & Alexander Laufer | Developer | |
| Gabriel | Developer | |
| Gabriel Bradley | Developer | |
| Gabriel Cassimiro | Developer | |
| Gabriel Cencic | Developer | |
| Gabriel Cornish | Developer | |
| Gabriel Cortabraz | Developer | |
| Gabriel Cyrino | Developer | |
| Gabriel Dias | Developer | |
| Gabriel Entertainment | Developer | |
| Gabriel Grossi | Developer | |
| Gabriel LF | Developer | |
| Gabriel Lorenzo | Developer | |
| Gabriel Naves | Developer | |
| Gabriel Ortas | Developer | |
| Gabriel Padinha | Developer | |
| Gabriel Priske | Developer | |
| Gabriel Ranieri | Developer | |
| Gabriel Raposo | Developer | |
| Gabriel Robertson | Developer | |
| Gabriel Santini Quibao | Developer | |
| Gabriel Serra | Developer | |
| Gabriel Tanasovici Nardy | Developer | |
| Gabriel Toschi | Developer | |
| Gabriel Vidal | Developer | |
| Gabriel Villalonga | Developer | |
| GabrielFSilva | Developer | |
| GabrielHoltschlag | Developer | |
| GabrielNied | Developer | |
| GabrielSharp | Developer | |
| GabrielZanini | Developer | |
| Gabriel_cmf | Developer | |
| Gabriela Dall'Agnol | Developer | |
| Gabriela Gomes Rodrigues | Developer | |
| Gabrielle Bleu | Developer | |
| Gabura | Developer | |
| Gabxi | Developer | |
| GachZorn | Developer | |
| Gad | Developer | |
| Gadan Games | Developer | |
| Gaddy | Developer | |
| Gadget Soft | DeveloperPublisher | |
| GadgetPatch | Developer | |
| Gaeel | Developer | |
| Gaelco | DeveloperPublisher | |
| Gaffiti Entertainment | Publisher | |
| Gaga | DeveloperPublisher | |
| Gaga Communications | DeveloperPublisher | |
| Gaga Communications (JP) | Publisher | |
| Gaga Communications Inc. EU | Publisher | |
| Gaga CommunicationsJP | Publisher | |
| Gaga Interactive MediaPAL | Publisher | |
| GagaPete | Developer | |
| Gage | Developer | |
| Gage Bradley | Developer | |
| Gagne International) | Developer | |
| Gagne Software | DeveloperPublisher | |
| Gagonfe | Developer | |