| CoolBoy×CoolGirl | r68104 | 2026-04-21 |
| Cooped Up! | r72429 | 2026-04-21 |
| Coordenada - Demo | r138429 | 2026-05-07 |
| Coordenada: Ilusión en el tiempo - Demo | r139580 | 2026-04-21 |
| Copper Forest - Demo | r111304 | 2026-04-21 |
| Copper Pancake Calcification | r39556 | 2026-05-06 |
| Coppélive! | r79014 | 2026-05-05 |
| Coppélive! ~ Grand pas de deux ~ Edition | r79015 | 2026-04-21 |
| Copycat | r115581 | 2026-05-06 |
| Copycat Recipe | r138604 | 2026-05-06 |
| Coquette Dragoon Volume 1 (Early Access) | r126863 | 2026-04-21 |
| Coquette Dragoon: Volume One - Early Access | r78861 | 2026-04-21 |
| Cor v0.7.1 | r89176 | 2026-05-08 |
| Corazón de Bombón | r32308 | 2026-04-21 |
| Corazón de Melón: En el Amor | r110241 | 2026-05-06 |
| Corazón de Melón: En el Instituto | r32302 | 2026-05-06 |
| Corazón de Melón: En la Universidad | r110178 | 2026-04-21 |
| Corazón maldito, Libro 1 | r136332 | 2026-05-16 |
| Corazón maldito, Libro 2 | r136333 | 2026-05-07 |
| Cordis | r59123 | 2026-05-15 |
| Cornelica | r124976 | 2026-05-06 |
| Cornelica, Town of Succubi | r72948 | 2026-04-21 |
| Cornu Copia -Fushigi no Sumu Machi- C90 Trial Edition | r105596 | 2026-05-12 |
| Cornu Copia -Fushigi no Sumu Machi- Rin's Route + Hatty's Route (First Part) Commemoration Package | r71931 | 2026-05-16 |
| Cornu Copia -Fushigi no Sumu Machi- Rin's Route + Hatty's Route (Preview Edition) | r105591 | 2026-05-16 |
| Cornu Copia -Fushigi no Sumu Machi- v4.42 | r90335 | 2026-05-13 |
| Corona Blossom - Trilogy Box Set | r55813 | 2026-05-16 |
| Corona Blossom Vol. 1 - Un regalo de las Estrellas - | r52182 | 2026-05-15 |
| Corona Blossom Vol.1: Gift From the Galaxy | r69203 | 2026-04-21 |
| Corona Blossom Vol.1: Gift From the Galaxy - All-ages Edition | r76517 | 2026-04-21 |
| Corona Blossom Vol.1: Gift From the Galaxy - Censored Edition | r45459 | 2026-05-16 |
| Corona Blossom Vol.1: Gift From the Galaxy - Censored Edition | r64250 | 2026-05-15 |
| Corona Blossom Vol.1: Gift From the Galaxy - Demo | r47140 | 2026-05-17 |
| Corona Blossom Vol.2: The Truth From Beyond - Censored Edition | r48432 | 2026-05-17 |
| Corona Blossom Vol.3: Journey to the Stars - 18+ Patch | r50085 | 2026-05-17 |
| Corona Borealis | r61193 | 2026-05-06 |
| Corona Borealis | r81232 | 2026-04-21 |
| Corporate Crush - Demo | r124724 | 2026-04-21 |
| Corporate Culture v0.6 | r93865 | 2026-04-21 |
| Corporate House - Trial Edition | r34041 | 2026-05-07 |
| Corporate Pussy | r119774 | 2026-04-21 |
| Corporate Suck Up | r132294 | 2026-04-21 |
| Corpse Flower | r127797 | 2026-05-13 |
| Corpse Party | r34423 | 2026-05-15 |
| Corpse Party | r35854 | 2026-05-06 |
| Corpse Party | r79515 | 2026-05-06 |
| Corpse Party | r83713 | 2026-05-05 |
| Corpse Party (2021) | r146304 | 2026-05-07 |
| Corpse Party - Back to School Edition | r45878 | 2026-05-06 |
| Corpse Party - Crunchyroll Vers. | r135560 | 2026-05-06 |