| Crystal Forest ～smile of adieu～ オフボイス軽量版 | r25918 | 2026-04-21 |
| Crystal Forest ～smile of adieu～ ボイス有通常版 | r25919 | 2026-04-21 |
| Crystal Lights/Lonely Highways | r146181 | 2026-05-14 |
| Crystal Rain | r123767 | 2026-05-09 |
| Crystal Winter | r100412 | 2026-04-21 |
| Crystal the Witch | r67144 | 2026-05-07 |
| Crystal the Witch | r72076 | 2026-04-21 |
| Crystal the Witch V 2.0 | r79606 | 2026-04-21 |
| Crystal the Witch V 2.3 | r81231 | 2026-04-21 |
| Crystal the Witch V 2.3 | r135326 | 2026-04-21 |
| Crystalline | r76660 | 2026-04-21 |
| Crystalline | r76659 | 2026-04-21 |
| Crystalline | r48004 | 2026-04-21 |
| Crystalline - Demo | r50805 | 2026-04-21 |
| Cryste: the Faith of Fire Vol.1 | r54656 | 2026-04-21 |
| Cryste: the Faith of Fire Vol.1 | r51705 | 2026-04-21 |
| Cryste: the Faith of Fire Vol.1 | r87339 | 2026-04-21 |
| Csapdába esve | r23887 | 2026-05-06 |
| Csábításból Jeles: Szerelmes élet | r110239 | 2026-04-21 |
| Csábításból Jeles: Élet a campuson | r110180 | 2026-04-21 |
| Csábításból Jeles: Élet a gimiben | r32305 | 2026-04-21 |
| Ctenophora Static Sea | r145570 | 2026-05-12 |
| Cthulhu -Otome no Fureru, Tenshi no Yubisaki - Price Revised Edition | r26422 | 2026-05-14 |
| Cthulhu -Otome no Fureru, Tenshi no Yubisaki - Trial Edition | r6352 | 2026-05-07 |
| Cthulhu -Otome no Fureru, Tenshi no Yubisaki - Windows 8.1 Support Edition | r35791 | 2026-05-14 |
| Cthulhu Mysteries: Veins of Arkham | r144918 | 2026-04-21 |
| Cthulhu Mysteries: Veins of Arkham - Demo | r144961 | 2026-04-21 |
| Cthulhu Mythos ADV Lunatic Whispers | r145941 | 2026-05-17 |
| Cthulhu Mythos ADV Lunatic Whispers | r145939 | 2026-05-12 |
| Cthulhu Mythos ADV Yami ni Sasayaku Kyōki | r145943 | 2026-05-12 |
| Cthulhu Mythos ADV 呪禍に沈む島 | r119623 | 2026-04-21 |
| Cthulhu Mythos ADV 呪禍に沈む島 | r124725 | 2026-04-21 |
| Cthulhu's Cafe | r35353 | 2026-05-06 |
| Cthulhu's Son Is A Scene Kid?! | r124246 | 2026-04-21 |
| Cube Collection Box - Kantoku Edition | r53200 | 2026-05-07 |
| Cubed Heist | r83696 | 2026-04-21 |
| Cubed Heist | r83695 | 2026-04-21 |
| Cubic 3 | r68953 | 2026-04-21 |
| Cubic 3 - Free Edition | r68954 | 2026-04-21 |
| Cubus Mortis | r143560 | 2026-05-09 |
| Cuck Brother & Slutty Sister in Law | r100235 | 2026-05-05 |
| Cuck Brother & Slutty Sister in Law - Demo | r100234 | 2026-05-05 |
| Cuck Simulator v1.7 | r55623 | 2026-04-21 |
| CuckTales | r141189 | 2026-04-21 |
| CuckTales 2 🐓 | r146291 | 2026-04-21 |
| CuckTales 2 🐓 - Early Access | r146290 | 2026-05-12 |
| CuckTales 🐓🌈 | r125070 | 2026-04-21 |
| CuckTales 🐓🌈 - v.0.1.5 | r125069 | 2026-04-21 |
| CuckTales 🐓🌈 Demo | r133490 | 2026-04-21 |
| Cucked by Roommate | r103417 | 2026-04-21 |