| Cat & Rooms | r77209 | 2026-05-06 |
| Cat & Caro | r93079 | 2026-05-20 |
| Casual Romance Club -L’etude de l’amour- 廉価版 | r67472 | 2026-04-21 |
| Casual Romance Club -L'etude de l'amour- | r98 | 2026-04-21 |
| Casual Romance Club - Download Edition | r31809 | 2026-04-21 |
| Casual Romance Club | r33734 | 2026-04-21 |
| Casual Desires v0.20 | r74617 | 2026-04-21 |
| CastlevaNya | r97207 | 2026-05-06 |
| Castle of Delights | r89492 | 2026-04-21 |
| Castle cage | r86858 | 2026-05-19 |
| Castle Hill | r39022 | 2026-05-06 |
| Castle Fantasia∼聖魔大戰 | r48657 | 2026-04-21 |
| Castle Fantasia∼新聖魔大戰 | r48658 | 2026-04-21 |
| Castle Fantasia~艾倫希亞戰記 | r48674 | 2026-04-21 |
| Castle Fantasia ~圣魔大战~ 软件与光盘 1999年12月号 | r121370 | 2026-04-21 |
| Castle Fantasia ~Seima Taisen~ Campaign Edition | r2194 | 2026-05-06 |
| Castle Fantasia 2: The Sacred War Renewal | r47 | 2026-04-21 |
| Castaways | r102284 | 2026-05-07 |
| Castaways | r102283 | 2026-05-07 |
| Castaway! Love's Adventure | r47721 | 2026-05-17 |
| Castaway! Love's Adventure | r50701 | 2026-04-21 |
| Cast! -Private Heroine- Download Edition | r32755 | 2026-05-19 |
| Cast! -Private Heroine- | r4138 | 2026-05-15 |
| Cast Light | r133745 | 2026-05-06 |
| Cassiopeia Act 3: The Day the Sky Died | r9448 | 2026-05-16 |
| Cassiopeia Act 2: Bloody Concerto | r6620 | 2026-04-21 |
| Cassiopeia Act 1: Door to Despair | r6619 | 2026-05-19 |
| Cassie | r110957 | 2026-05-05 |
| Cassandra's Fabulous Foray | r55593 | 2026-05-19 |
| Casino x Forte x Scandal v0.1 | r148893 | 2026-04-21 |
| Casino x Forte x Scandal - Chapter 1: Eden | r148368 | 2026-05-19 |
| Casino Heist: Aruba 18+ Patch | r131254 | 2026-05-18 |
| Casino Heist: Aruba | r131253 | 2026-05-19 |
| Casino Heist - Censored Edition | r104614 | 2026-05-19 |
| Casino Heist - Censored Edition | r112686 | 2026-04-21 |
| Casino Heist - Adults Only Patch | r106607 | 2026-05-19 |
| Casino Heist - Adults Only Patch | r123566 | 2026-05-17 |
| Casino Heist | r106989 | 2026-05-19 |
| Casina: The Forgotten Comedy | r77672 | 2026-04-21 |
| Casina: A Visual Novel set in Ancient Greece Demo | r77671 | 2026-05-16 |
| Casey's Very Bad Day | r122981 | 2026-04-21 |
| Casey's Fall v2024-05 | r79251 | 2026-04-21 |
| Casey Noir and Carved Pumpkin's Latte - Game Jam Version | r127847 | 2026-05-15 |
| Casey Noir and Carved Pumpkin's Latte - Big Post Game Jam Version | r139726 | 2026-04-21 |
| Cases From the Desk of Harrie Noire: The Incident at Liliwen Lyceum | r124270 | 2026-04-21 |
| Casefile: Tokyo Noir | r83301 | 2026-05-19 |
| Case: Lumarose - Demo | r124849 | 2026-04-21 |
| Case of the Drowned Jeweler | r126180 | 2026-04-21 |
| Case Moonlight 0.2.0 | r89306 | 2026-05-05 |
| Case File 1225 | Breakfast | r146837 | 2026-05-12 |