Companies
- Gearbox Software
- Gears for Breakfast
- General Arcade
- Genius Sonority
- Geometric Interactive
- Get Games
- Gfinity
- GfK Chart-Track
- Ghost Games
- Ghost Ship Games
- Ghost Story Games
- Ghostlight
- Giant Bomb
- Giant Entertainment
- Giant Sparrow
- Giant Squid
- GIANTS Software
- GK Films
- Glass Cannon Unplugged
- Glitch
- Global Game Jam
- GOA
- Goldman Sachs
- Gone North Games
- Good Shepherd Entertainment
- got game entertainment
- Gracie Films
- Grasshopper Manufacture
- Gravity
- Gravity Bear
- Green Man Gaming
- Grey Area
- Grey Box
- Greylock Studio
- Grimlore Games
- Grinding Gear Games
- Grip Digital
- Griptonite Games
- Ground Shatter
- Gruby Entertainment
- GSC Game World
- Guerrilla Games
- Gugames
- Guinness World Records
- gumi
- Gun Media
- Gunfire Games
- GungHo Online Entertainment America
- GungHo Online Entertainment Inc.