| Granzella | DeveloperPublisher | |
| Graouh | Developer | |
| Grapeshot Games | DeveloperPublisher | |
| Graphene AI | Developer | |
| Graphic Research | Developer | |
| Graphic Research Co. Ltd | Developer | |
| Graphic Research Co., Ltd | Developer | |
| Graphic State | Developer | |
| Graphic State Games | Developer | |
| GraphicDNA | DeveloperPublisher | |
| GraphicWares | Developer | |
| Graphite Lab | DeveloperPublisher | |
| Graphite Lab Interns | Developer | |
| Graphium Studio | Developer | |
| Graphmaxer | Developer | |
| Graphsim Entertainment | Publisher | |
| Grasita Games | Developer | |
| Grasp Games Ayush Dutta™ | Developer | |
| Grass | Developer | |
| Grasshopper Manufacture | DeveloperPublisher | |
| Grate0 | Developer | |
| GrateMate | Developer | |
| Gratuitous Games | Developer | |
| Graugen | Developer | |
| Grave Danger Games | Developer | |
| Graven Visual Novels | Developer | |
| Gravity Goat | Developer | |
| Gravity Interactive | Developer | |
| Gravity Interactive, Inc. et al. | DeveloperPublisher | |
| Gravity, Inc. | Developer | |
| Gravity-I | Developer | |
| Gravity-i | Developer | |
| GravityBox | Developer | |
| GravityGames | Developer | |
| GravityI | Developer | |
| Grawly | Developer | |
| Gray Design Associates | DeveloperPublisher | |
| Gray Fin Studios | DeveloperPublisher | |
| Gray Matter | Developer | |
| Gray Matter Inc. | Developer | |
| Gray Matter Interactive | Developer | |
| GrayFinStudios | Developer | |
| GrayWingII | Developer | |
| Grayfax Software | Developer | |
| Grayson Holmes | Developer | |
| Greaby | Developer | |
| GreasyCode | Developer | |
| Great Co | DeveloperPublisher | |
| Great Co. | DeveloperPublisher | |
| Great Co., Ltd. | DeveloperPublisher | |