Companies
- Giant Sparrow
- GIANTS Software
- Glu Mobile
- Grasshopper Interactive
- Grasshopper Manufacture
- Grey Box
- Grinding Gear Games
- Griptonite Games
- GSC Game World
- Guerrilla Games
- Gugames
- gumi
- Gun Media
- Gunfire Games
- GungHo Online Entertainment Inc.
- Gust
- Haemimont Games
- HAL Laboratory
- Half Mermaid
- Halfbrick Studios
- Hamster Corporation
- Hardsuit Labs
- Haven Studios LLC
- Hazelight Studios