Companies
- Gearbox Software
- Genvid
- Ghost Ship Games
- Giant Sparrow
- Graffiti Games
- Grasshopper Manufacture
- Greylock Studio
- GSC Game World
- Guerrilla Games
- Gugames
- HAL Laboratory
- Half Mermaid
- Hangar 13
- Hardsuit Labs
- Harebrained Schemes
- Harmonix Music Systems
- Hazelight Studios
- HB Studios
- HBO
- Headcannon
- Hello Games
- Herobeat Studios
- Hooded Horse
- Hothead Games