| Game | Platform | Developer | Publisher (JP) | Publisher (NA) | Publisher (PAL) |
|---|---|---|---|---|---|
| Castlevania: Portrait of Ruin | Nintendo DS | Konami | Konami | Konami | Konami |
| Castlevania: Symphony of the Night | Microsoft Xbox 360, Sony PS Vita, Sony PSP, Sony PlayStation, Sony PlayStation 3 | Konami | Konami | Konami | Konami |
| Cat Quest | Android, Microsoft Windows, Nintendo Switch, Sony PlayStation 4, iOS, macOS | The Gentlebros | PQube, The Gentlebros | PQube, The Gentlebros | PQube, The Gentlebros |
| Cat Quest II | Android, Apple Arcade, Microsoft Windows, Microsoft Xbox One, Nintendo Switch, Sony PlayStation 4, macOS | The Gentlebros | FlyHigh Works, PQube, The Gentlebros | FlyHigh Works, PQube, The Gentlebros | FlyHigh Works, PQube, The Gentlebros |
| Cat Quest III | Microsoft Windows, Microsoft Xbox One, Microsoft Xbox Series X|S, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5, iOS, macOS | The Gentlebros | Kepler Interactive | Kepler Interactive | Kepler Interactive |
| Catherine | Microsoft Windows, Microsoft Xbox 360, Sony PlayStation 3 | Atlus | Atlus | Atlus | Deep Silver |
| Catherine: Full Body | Nintendo Switch, Sony PS Vita, Sony PlayStation 4 | Atlus | Atlus | Atlus | Deep Silver |
| Cats and the Other Lives | Microsoft Windows | Cultic Games | Cultic Games | Cultic Games | Cultic Games |
| Caves of Qud | Linux, Microsoft Windows, macOS | Freehold Games | N/A | Kitfox Games | Kitfox Games |
| Celestia: Broken Sky | Android | ZQGame | N/A | ZQGame | N/A |
| Celestia: Chain of Fate | Android, Microsoft Windows, Nintendo Switch, iOS | Agate | N/A | PQube | PQube |
| Celestian Tales: Realms Beyond | Microsoft Windows | Agate, Ekuator Games | N/A | Digital Tribe | Digital Tribe |
| Chained Echoes | Linux, Microsoft Windows, Microsoft Xbox One, Nintendo Switch, Sony PlayStation 4, macOS | Umami Tiger (Matthias Linda) | Deck13 Interactive | Deck13 Interactive | Deck13 Interactive |
| Champions of Norrath: Realms of EverQuest | Sony PlayStation 2 | Snowblind Studios | N/A | Daybreak Game Company | Ubisoft |
| Champions Online | Microsoft Windows | Cryptic Studios | N/A | Atari, Perfect World Entertainment | N/A |
| Champions: Return to Arms | Sony PlayStation 2 | Snowblind Studios | N/A | Daybreak Game Company | Daybreak Game Company |
| Chantelise: A Tale of Two Sisters | Microsoft Windows | EasyGameStation | EasyGameStation | Carpe Fulgur | Carpe Fulgur |
| Chaos on Deponia | Linux, Microsoft Windows, Microsoft Xbox One, Nintendo Switch, Sony PlayStation 4, macOS | Daedalic Entertainment | N/A | Daedalic Entertainment | Daedalic Entertainment |
| Chaos Rings | Android, iOS | Media.Vision | Square Enix | Square Enix | Square Enix |
| Chaos Rings II | Android, iOS | Media.Vision | Square Enix | Square Enix | Square Enix |
| Chaos Rings III | Android, iOS | Media.Vision | Square Enix | Square Enix | Square Enix |
| Chaos Rings III: Prequel Trilogy | Sony PS Vita | Bullets, Media.Vision | Square Enix | N/A | N/A |
| Chaos Rings Omega | Android, iOS | Media.Vision | Square Enix | Square Enix | Square Enix |
| Chaos Seed: Fuusui Kairoki | Sega Saturn, Super Nintendo Entertainment System | Neverland | ESP Software, Taito | N/A | N/A |
| Chaos Wars | Sony PlayStation 2 | Idea Factory | Idea Factory | O~3 Entertainment | N/A |
