| Title | Games |
| Capcom Osaka, Japan | 43 |
| Carapace Paris, France | 0 |
| Cauldron Ltd. Bratislava, Slovakia | 5 |
| Cavia Inc. Japan | 3 |
| Celeris Location Unknown | 0 |
| Cinemaware Burlingame, CA | 0 |
| CiRCLE Studio Ltd Location Unknown | 0 |
| Circus Freak Studios Location Unknown | 0 |
| Climax Group UK | 3 |
| Codemasters Worldwide | 27 |
| Computer Artworks London, UK | 0 |
| Confounding Factor Location Unknown | 0 |
| Contraband Entertainment, Inc. Location Unknown | 0 |
| Core Design Laguna Hills, CA | 0 |
| Coresoft Games Laguna Hills, CA | 0 |
| Cranky Pants Games Location Unknown | 0 |
| Crave Entertainment Location Unknown | 5 |
| Creat Studio USA, Russia | 0 |
| Criterion Software UK/Worldwide | 6 |
| Croteam Zagreb, Croatia | 4 |
| Crystal Dynamics Location Unknown | 8 |
| Crytek Studios Paris | 7 |
| Curly Monsters Ltd. Birkenhead, England | 0 |
| Cyberlore Studios Location Unknown | 0 |
| Carbonated Games Location Unknown | 8 |
| Cryptic Studios Unknown | 2 |
| Compilation Location Unknown | 1 |
| Chair Entertainment Location Unknown | 2 |
| Creative Assembly Location Unknown | 3 |
| Chien Location Unknown | 0 |
| Certain Affinity Location Unknown | 5 |
| Compile Heart Location Unknown | 3 |
| CrunchTime Games Location Unknown | 1 |
| Cyanide Location Unknown | 8 |
| Collision Studios Location Unknown | 0 |
| Cave Location Unknown | 14 |
| Ctxm/Say Design Location Unknown | 2 |
| Cart Racing Location Unknown | 0 |
| ColdWood Interactive Location Unknown | 1 |
| CD Project Red Studio Location Unknown | 3 |
| Coreplay Location Unknown | 1 |
| Codeglue Location Unknown | 3 |
| Copasetic Games Location Unknown | 0 |
| Cipher Prime Location Unknown | 0 |
| ChefTeslaCoil Location Unknown | 2 |
| Chris Outen Location Unknown | 1 |
| Cute Cat Games Location Unknown | 1 |
| Centurion Games Location Unknown | 1 |
| cs kid amc 360 Location Unknown | 1 |
| Cyclone Zero.,Ltd. Location Unknown | 1 |
| City Interactive Location Unknown | 5 |
| CyberConnect2 Location Unknown | 7 |
| Catnip Games Location Unknown | 1 |
| Capybara Games Location Unknown | 2 |
| CyberFront Location Unknown | 3 |
| Candygun Games Location Unknown | 2 |
| Curious Pictures Location Unknown | 1 |
| Cat Daddy Games Location Unknown | 1 |
| citizen12 Studio Location Unknown | 1 |
| Chaotic Moon Location Unknown | 2 |
| Critical Thought Games Location Unknown | 2 |
| Chris Covington Location Unknown | 1 |
| Cherry Pop Games Location Unknown | 1 |
| Chillingo Location Unknown | 3 |
| Coffee Stain Studios Location Unknown | 1 |
| Compulsion Games Location Unknown | 1 |
| Casual Brothers Games Location Unknown | 1 |
| Cobra Location Unknown | 1 |
| Carbon Games Location Unknown | 1 |
| comcept USA Location Unknown | 1 |
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