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| Ctrl + Alt + Squid | Developer | |
| CtrlMovies | Developer | |
| Ctsmario | Developer | |
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| Cube | Developer | |
| Cube Bleu | Developer | |
| Cube Legal | Developer | |
| Cube Type | Developer | |
| CubeDev | Developer | |
| CubeFactory | Developer | |
| CubeXGames | Developer | |
| Cubehamster | Developer | |
| Cubetype | Developer | |
| Cubic Log | Developer | |
| Cubic321 | Developer | |
| Cubiclaw | Developer | |
| CubicleDev | Developer | |
| Cuca | Developer | |
| Cuddle Monster Games | Developer | |
| Cuddle Pit Games | Developer | |
| CuddleFox | Developer | |
| Cugi | Developer | |
| Cukeasaurus | Developer | |
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| Cult Balm Productions | Developer | |
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| Cult Software | Publisher | |
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| Culture PublishersJP | Publisher | |
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| Cunning Developments | DeveloperPublisher | |
| Cunning Force Games | DeveloperPublisher | |
| Cup Coffee | Developer | |
| Cup'O'Kraken | Developer | |
| Cup_of_pixels | Developer | |
| Cupid2510 | Developer | |
| CuprusCu | Developer | |
| Curdle Games | Developer | |