Companies
- Cavia
- CBS
- CBS Interactive
- CCP Games
- CD Projekt
- CD Projekt Localisation Centre
- CD Projekt RED
- Cellar Door Games
- Cellius
- Certain Affinity
- Chair Entertainment
- Cheesemaster Games
- Child's Play
- Chillingo
- Choice Provisions
- Chorus Worldwide Limited
- Chuck E. Cheese
- Chucklefish Games
- Chuhai Labs
- Chunsoft
- CI Games
- Cing
- Cipher Prime Studios
- Circana
- City Interactive
- City State Entertainment
- CLAMP
- Clap Hanz
- Cliffhanger Games
- Cliffhanger Productions
- Climax Studios
- ClockStone Software
- Cloud Imperium Games
- Clover Studio
- CloverWorks
- Coal Supper
- Cococucumber
- Coda Games
- Codeglue
- Codemasters
- Codemasters Birmingham
- Codemasters Guildford
- Coffee Stain North
- Coffee Stain Publishing
- Coffee Stain Studios
- Cognosphere
- Cogwheel Software
- Coin Crew Games
- Cold Iron Studios
- Cold Symmetry