| UNDER THE FALSE SKY | [heca;tomb] - Demo | r128924 | 2026-05-09 |
| UNDER THE FALSE SKY | [heca;tomb] - Demo | r129313 | 2026-05-08 |
| UNDER | HEAVEN v4.3 | r134050 | 2026-04-21 |
| UNDERCOVER LIVE Episode 0 | r83215 | 2026-05-10 |
| UNDERCOVER LIVE Episode 0 | r83214 | 2026-05-10 |
| UNDERCOVER LIVE Episode 0 | r83213 | 2026-04-21 |
| UNDERGROUND22 | r94372 | 2026-04-21 |
| UNDERSTUDY | r113658 | 2026-05-10 |
| UNDYING: Kowloon in Red | r144400 | 2026-05-10 |
| UNDYING: Kowloon in Red - Demo | r144399 | 2026-05-10 |
| UNDYING: REJECT | r110784 | 2026-05-06 |
| UNDYING: The Beast | r125212 | 2026-05-10 |
| UNHOLIC Syndrome | r130770 | 2026-05-10 |
| UNI-BIRTH | r153262 | 2026-05-09 |
| UNI-BIRTH - Trial Edition | r153265 | 2026-05-09 |
| UNISTAR | r94717 | 2026-04-21 |
| UNISTAR - Demo | r74181 | 2026-04-21 |
| UNKNOWN | r89978 | 2026-04-21 |
| UNLUCKY POTION | r86386 | 2026-04-21 |
| UNRED NIGHT | r46103 | 2026-04-21 |
| UNSEEN | r140858 | 2026-05-13 |
| UNTITLED | r140779 | 2026-05-09 |
| UNVEILED | r145564 | 2026-05-15 |
| UP! | r14410 | 2026-04-21 |
| UPLOAD: The Hint | r105549 | 2026-05-09 |
| URM ~M15 Wakusei ni Umarete~ | r42512 | 2026-05-10 |
| URM ~M15 Wakusei ni Umarete~ | r42510 | 2026-05-10 |
| URM ~M15 Wakusei ni Umarete~ | r42511 | 2026-05-09 |
| US Visual Novel | r144028 | 2026-05-09 |
| USAGIRI | r68012 | 2026-04-21 |
| USAGIRI | r91649 | 2026-04-21 |
| UTAtte! Koru Oto Imu! | r97303 | 2026-05-09 |
| UVAO Forever | r63700 | 2026-05-14 |
| UVAO Forever | r6723 | 2026-05-07 |
| UVAO Project | r6724 | 2026-05-10 |
| UVAO Project 2017 Rebuild | r55544 | 2026-05-09 |
| UVAO Project 2017 Rebuild | r55543 | 2026-04-21 |
| UVAO Project 2017 Rebuild | r143255 | 2026-04-21 |
| Ubai Again ~Hito no Onna, Mata Urimasu~ Download Edition | r38856 | 2026-05-16 |
| Ubai Again ~Hito no Onna, Mata Urimasu~ Okada Ryouko Hen [2-jigen Outlet] DVDPG | r142220 | 2026-05-11 |
| Ubai Again ~Hito no Onna, Mata Urimasu~ Package Edition | r40924 | 2026-05-10 |
| Ubai Again ~Hito no Onna, Mata Urimasu~ Sakurazaki Aina Hen - DVDPG | r154990 | 2026-05-10 |
| Ubai Complete ~Hito no Onna, Zenbu Urimasu~ | r49204 | 2026-05-10 |
| Ubai Gakuen ~Ichizu de Kawaii Shimai ga Shiranu Ma ni Ochiteiku~ | r49141 | 2026-05-16 |
| Ubai Gakuen ~Ichizu de Kawaii Shimai ga Shiranu Ma ni Ochiteiku~ - DVDPG | r142224 | 2026-05-11 |
| Ubai Tsuu - NTR Haitatsu Service Eigyouchuu - Package Edition | r91766 | 2026-05-11 |
| Ubai ~Hito no Onna, Urimasu~ Utsugi Tsubaki Hen - DVDPG | r151376 | 2026-05-11 |
| Ubel | r89598 | 2026-05-10 |
| Ubel - Demo | r89597 | 2026-05-06 |
| Ubu Ver 2.0b | r131756 | 2026-04-21 |