| Galvanic Games | Developer | |
| Galvatron | Developer | |
| Gama | Developer | |
| Gamad | Developer | |
| Gamaelstrom | Developer | |
| Gamagami | Developer | |
| Gamagora | Developer | |
| Gamania | Publisher | |
| Gamanko | Developer | |
| Gamart | Developer | |
| Gamasoft | Developer | |
| Gamaturgie | Developer | |
| Gamba04 | Developer | |
| Gambiarra Games BR | Developer | |
| Gambitious | Publisher | |
| Gambitious Digital Entertainment | Publisher | |
| Gambitious Entertainment | Publisher | |
| Gambler172 | Publisher | |
| Gambrinous | Developer | |
| Game Addict | Publisher | |
| Game Alchemists | Developer | |
| Game Anatomy | Developer | |
| Game Arts | DeveloperPublisher | |
| Game Arts Co. | Developer | |
| Game ArtsJP | DeveloperPublisher | |
| Game Atelier | Developer | |
| Game Brains | Developer | |
| Game Buoy Games | Developer | |
| Game Bytes | DeveloperPublisher | |
| Game Crafters | DeveloperPublisher | |
| Game Crusaders | Developer | |
| Game Design Sweden AB | Developer | |
| Game Dev | Developer | |
| Game Dev Debbie | Developer | |
| Game Developer | Developer | |
| Game Dynasty | Developer | |
| Game Electronics | Publisher | |
| Game Endeavor | Developer | |
| Game Freak | DeveloperPublisher | |
| Game Freak Creatures Inc. | Developer | |
| Game Games | Developer | |
| Game Greg | Developer | |
| Game Grumps | DeveloperPublisher | |
| Game IN | Developer | |
| Game Invest | Developer | |
| Game Jolt | Publisher | |
| Game Jur | Developer | |
| Game Kitchen | Developer | |
| Game Kombinat | Developer | |
| Game Machine Studios | Developer | |