| Creepy Dates | r139930 | 2026-05-15 |
| Creepy Dates | r139929 | 2026-04-21 |
| Creepy OS | r113516 | 2026-05-16 |
| Creepy Tales | r110515 | 2026-04-21 |
| Crepe 3bon Pack 1 | r30150 | 2026-05-07 |
| Crepe 3本パック2 | r32776 | 2026-04-21 |
| Crescendo | r91975 | 2026-04-21 |
| Crescendo - Download Edition | r34037 | 2026-04-21 |
| Crescendo - Package Edition | r184 | 2026-05-05 |
| Crescendo / Target: Pheromone Bundle Pack | r24356 | 2026-04-21 |
| Crescendo Moon | r101912 | 2026-04-21 |
| Crescendo v0.5 | r89109 | 2026-04-21 |
| Crescendo ~Eien da to Omotte Ita Ano Koro~ Full Voice Version - Windows 7 Support Verison | r138536 | 2026-05-17 |
| Crescendo ～永遠だと思っていたあの頃～ | r57 | 2026-04-21 |
| Crescendo: Прелести порока | r1840 | 2026-04-21 |
| Crescendo: Прелести порока | r123078 | 2026-04-21 |
| Crescendo: Прелести порока | r123077 | 2026-04-21 |
| Crescendo～永遠だと思っていたあの頃～Full Voice Version | r185 | 2026-04-21 |
| Crescendo～永遠だと思っていたあの頃～Full Voice Version | r138994 | 2026-04-21 |
| Crescendo～永遠だと思っていたあの頃～Full Voice Version 復刻版 | r1084 | 2026-04-21 |
| Crescent | r6940 | 2026-04-21 |
| Crescent Coffee - Demo | r63245 | 2026-05-16 |
| Crescent Moon Girl | r10517 | 2026-05-09 |
| Crescent Moon: The Truth of Feelings | r14721 | 2026-05-16 |
| Cries of Crescendo | r138843 | 2026-05-16 |
| Cries of the Carcass Eater | r128077 | 2026-04-21 |
| Crime Investigation | r23815 | 2026-04-21 |
| Crime Opera Fandisk: The Caterpillar Candids | r131817 | 2026-04-21 |
| Crime Opera II: The Floodgate Effect | r131816 | 2026-04-21 |
| Crime Opera II: The Floodgate Effect | r131527 | 2026-04-21 |
| Crime Opera II: The Floodgate Effect | r102635 | 2026-04-21 |
| Crime Opera II: The Floodgate Effect - Demo | r79882 | 2026-04-21 |
| Crime Opera: Beyond Butterfly | r68916 | 2026-05-16 |
| Crime Opera: The Butterfly Effect | r65579 | 2026-04-21 |
| Crime Opera: The Butterfly Effect | r79000 | 2026-04-21 |
| Crime Opera: The Butterfly Effect | r78999 | 2026-04-21 |
| Crime Opera: The Butterfly Effect | r79001 | 2026-04-21 |
| Crime Opera: The Butterfly Effect - Demo | r60888 | 2026-04-21 |
| Crime Opera: The Caterpillar Candids | r96899 | 2026-05-07 |
| Crime Opera: The Caterpillar Candids | r131528 | 2026-04-21 |
| Crime Rhyme - DVD Edition | r14537 | 2026-05-16 |
| Crime Rhyme 3 | r4922 | 2026-05-11 |
| Crime Rhyme Paradox "Inaho no Mirai" | r4923 | 2026-05-07 |
| Crime Time v1.0 | r95288 | 2026-04-21 |
| CrimeRhymeParadox 「イナホノミライ」 ダウンロード版 | r72518 | 2026-04-21 |
| Crimes of Passion, Book 1 | r136460 | 2026-05-18 |
| Crimes of Passion, Book 2 | r136461 | 2026-04-21 |
| Crimes of Passion, Book 3 | r136462 | 2026-04-21 |
| Crimes: The Proposal | r136463 | 2026-05-06 |
| Criminal Attraction | r123349 | 2026-04-21 |