Companies
- Game Arts
- Game Freak
- Game Science
- GameLoft
- GameMill Entertainment
- GameStop
- Garena
- Gearbox
- Gearbox Publishing
- Gearbox Software
- Geometric Interactive
- Ghost Story Games
- Giant Sparrow
- GIANTS Software
- Glu Mobile
- Grasshopper Interactive
- Grasshopper Manufacture
- Grinding Gear Games
- Griptonite Games
- GSC Game World
- Guerrilla Games
- Gugames
- gumi
- Gun Media