Companies
- Cardboard Computer
- CCP Games
- CD Projekt
- CD Projekt Localisation Centre
- CD Projekt RED
- Cellar Door Games
- Cenega
- Chucklefish Games
- CI Games
- City Interactive
- City State Entertainment
- Claymore Game Studios
- ClockStone Software
- Cloud Imperium Games
- CMON
- Coatsink
- Coatsink Software
- Code Mystics
- Codeglue
- Codemasters
- Coffee Stain North
- Coffee Stain Publishing
- Coffee Stain Studios
- Colossal Order
- ConcernedApe