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| CoolCast | Developer | |
| CoolKid3 | Developer | |
| CoolSummit | Developer | |
| Coolcandies | Developer | |
| Coolhand Interactive | Developer | |
| Cooltendo | Developer | |
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| Cooply | Developer | |
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| Copya System | Developer | |
| Copya System JP | Publisher | |
| Copya Systems | DeveloperPublisher | |
| Copya Systems JP | Publisher | |
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| Copysoft | DeveloperPublisher | |
| Coralie Feniello | Developer | |
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| Corbomite Games | Developer | |
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| Core Design | DeveloperPublisher | |
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| Coren Baili | Developer | |
| Corentin Benoit-Gonin | Developer | |
| Corentin Job | Developer | |
| CorentinLEROY | Developer | |