| Game | Platform | Developer | Publisher (JP) | Publisher (NA) | Publisher (PAL) |
|---|---|---|---|---|---|
| Coloball 2002 | Sony PlayStation 2 | Vanpool | Enterbrain | N/A | N/A |
| Colossal Cave – Reimagined by Roberta Williams | Linux, Meta Quest 2, Microsoft Windows, Microsoft Xbox Series X|S, Sony PlayStation 5, macOS | Cygnus Entertainment | Cygnus Entertainment | Cygnus Entertainment | Cygnus Entertainment |
| Colossus – Eternal Blight | Microsoft Windows | Rustic Panda Games | N/A | Rustic Panda Games | Rustic Panda Games |
| Comic Party | Microsoft Windows, Sega Dreamcast, Sony PSP | Aquaplus, Leaf | Aquaplus, Leaf | N/A | N/A |
| Companions | iOS | Smuttlewerk Interactive | N/A | Smuttlewerk Interactive | Smuttlewerk Interactive |
| Conan Chop Chop | Microsoft Windows, Microsoft Xbox One, Microsoft Xbox Series X|S, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5 | Mighty Kingdom | N/A | Funcom | Funcom |
| Conception II: Children of the Seven Stars | Microsoft Windows, Nintendo 3DS, Sony PS Vita | Spike Chunsoft | Spike Chunsoft | Atlus | Atlus |
| Conception PLUS: Maidens of the Twelve Stars | Microsoft Windows, Sony PlayStation 4 | Spike Chunsoft | Spike Chunsoft | Spike Chunsoft | Spike Chunsoft |
| Conception: Ore no Kodomo o Undekure! | Sony PSP | Spike Chunsoft | Spike Chunsoft | N/A | N/A |
| ConcernedApe’s Haunted Chocolatier | Microsoft Windows | ConcernedApe | N/A | ConcernedApe | ConcernedApe |
| Concerto Gate | Microsoft Windows | Ponsbic, Square Enix | Square Enix | N/A | N/A |
| Confrontation | Microsoft Windows | Cyanide Studio | N/A | Focus Entertainment | Focus Entertainment |
| Conglomerate 451 | Microsoft Windows | RuneHeads | N/A | Fulqrum Publishing | Fulqrum Publishing |
| Contact | Nintendo DS | Grasshopper Manufacture | Marvelous Entertainment | Atlus | Rising Star Games |
| Cope Island: Adrift | Microsoft Windows | zDS | N/A | zDS | zDS |
| Coral Island | Microsoft Windows | Stairway Games | Humble Games | Humble Games | Humble Games |
| Core Blaze [Cancelled] | Android, Microsoft Windows, iOS | Gamania, RedGate Games | N/A | N/A | N/A |
| Coridden | Microsoft Windows | Aftnareld | N/A | Anshar Publishing | Anshar Publishing |
| Cornerstone: The Song of Tyrim | Linux, Microsoft Windows, macOS | Overflow | N/A | Phoenix Online Studios | Phoenix Online Studios |
| Coromon | Android, Microsoft Windows, Microsoft Xbox One, Microsoft Xbox Series X|S, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5, iOS, macOS | TRAGsoft | indie.io | indie.io | indie.io |
| Corona Borealis | Android, Linux, Microsoft Windows, macOS | Winter Wolves | N/A | Winter Wolves | Winter Wolves |
| Corpse Factory | Microsoft Windows, Nintendo Switch | River Crow Studio | N/A | River Crow Studio | River Crow Studio |
| Corpse Party | Microsoft Windows | 5pb., Mages, Team GrisGris | Team GrisGris | Marvelous Entertainment, XSEED Games | Marvelous Entertainment, XSEED Games |
| Corpse Party (2015) | Nintendo 3DS, Sony PSP, iOS | 5pb., Mages, Team GrisGris | 5pb., Mages | Marvelous Entertainment, XSEED Games | Marvelous Entertainment, XSEED Games |
| Corpse Party 2: Dead Patient | Microsoft Windows | GrindHouse | GrindHouse | Marvelous Entertainment, XSEED Games | Marvelous Entertainment, XSEED Games |
