Companies
- 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
- Coldwood Interactive
- Colossal Games LTD
- Colossal Order
- Columbia Pictures
- Com2uS
- Comcept
- Communications Workers of America
- Compile Heart
- Compulsion Games
- Computer Artworks
- Conatus Creative