Companies
- Ghost Ship Games
- Ghost Story Games
- Giant Sparrow
- Giant Squid
- GIANTS Software
- Gigabyte
- Glorious
- Glowmade
- GOG.com
- Goldhawk Interactive
- Good-Feel
- Govee
- Graffiti Games
- Graphsim Entertainment
- Grasshopper Interactive
- Grasshopper Manufacture
- Grenaa Games
- Grey Area
- Grey Box
- Grimlore Games
- Grinding Gear Games
- Griptonite Games
- Ground Shatter
- GSC Game World