Companies
- CD Projekt
- CD Projekt Localisation Centre
- CD Projekt RED
- Cellar Door Games
- Certain Affinity
- Cheesemaster Games
- Chucklefish Games
- Chuhai Labs
- CI Games
- City Interactive
- Claymore Game Studios
- Cliffhanger Games
- Climax Studios
- Cloak And Dagger Games
- Cloud Imperium Games
- Coatsink
- Codemasters
- Codemasters Birmingham
- Coffee Stain North
- Coffee Stain Publishing
- Coffee Stain Studios
- Cognosphere
- Colossal Order
- Com2uS
- Complex Games Inc.