| Uchikano - Living With My Sister! | r84729 | 2026-05-05 |
| Uchikano - Living With My Sister! - Mosaic Restoration Patch | r136922 | 2026-04-21 |
| Uchikano: Living With My Girlfriend | r65202 | 2026-04-21 |
| Uchikano: Living With My Girlfriend - Mosaic Restoration Patch | r136927 | 2026-05-11 |
| Uchikano: Living With My Lovers | r107577 | 2026-05-16 |
| Uchikano: Living With My Lovers - Mosaic Restoration Patch | r136836 | 2026-05-11 |
| Uchuu Haou Deckertin-de-Gade ~Toraware no BIG PINK~ | r103654 | 2026-05-16 |
| Uchuu Kaitou Funny Bee | r65006 | 2026-05-16 |
| Uchuu Kaizoku Sara | r139082 | 2026-05-06 |
| Uchuu Kaizoku Sara - Android Edition | r39672 | 2026-05-16 |
| Uchuu Youhei Alicia ~Igyou no Shokushu Seibutsu ni Tanetsuke Sarete~ | r116425 | 2026-04-21 |
| Uchuujin ni Rachirarete, Seitai Kansatsu to Shoushite Omata o Iroiro Ijirarechau JK no Ohanashi | r80439 | 2026-05-09 |
| Udders, Please | r58924 | 2026-04-21 |
| Ugly Bastard | r94597 | 2026-05-05 |
| Ugly Bastard - Demo | r89419 | 2026-04-21 |
| Ugokku 4 ~Itazurasarete Kanjichau Chotto Do M na Shouwa no JK Hen~ | r102725 | 2026-05-15 |
| Ugolino in the Tower v1.0 | r124065 | 2026-04-21 |
| Ugome ~Hono Chiyau Shitatari~ | r155511 | 2026-05-11 |
| Ugome ~Hono Chiyau Shitatari~ Enhancement DLC Patch | r138257 | 2026-05-16 |
| Uh-Oh, Love Comes to Town | r113538 | 2026-04-21 |
| Uhma o Dakishimete | r11092 | 2026-05-13 |
| Uhou Renka "Sensei. Watashi, mou Otona da yo......" side: Kanou Karen DVDPG | r151364 | 2026-05-15 |
| Uju's Trio: Picnic Adventure | r128199 | 2026-05-11 |
| Uki Uki Island | r18328 | 2026-05-07 |
| Uki Uki Island - CD Edition | r18329 | 2026-05-16 |
| Ukkarikon ~Mezametara, Wakeari Joushi no Tsuma Deshita~ | r78916 | 2026-05-15 |
| Ukraine War Stories | r95424 | 2026-05-11 |
| Ukulele boy | r94167 | 2026-05-11 |
| Ukulele boy | r94166 | 2026-04-21 |
| Ulijib Agigoyang-i | r43014 | 2026-05-16 |
| Ultimate Dating Sim v0.4.2 | r121319 | 2026-05-11 |
| Ultimate Factory - Append Disk | r89630 | 2026-05-14 |
| Ultimate Factory - Comiket 70 Edition | r89628 | 2026-05-16 |
| Ultimate Factory - Main Story + Append Disk (Complete Edition) | r89629 | 2026-05-10 |
| Ultimate Gamblin' Night | r149199 | 2026-05-06 |
| Ultimate Gamblin' Night 2: Please don't make me say it | r149200 | 2026-04-21 |
| Ultimate Novel Game Galactica - Extra - Download Edition | r77353 | 2026-05-14 |
| Ultimate Select Hero / 究极勇者的选择传说 | r56753 | 2026-04-21 |
| Ultimate Solution | r91721 | 2026-04-21 |
| Ultimate Solution | r91722 | 2026-04-21 |
| UltimateRisingStar ~Upa Hen~ | r101208 | 2026-05-14 |
| UltimateRisingStar ～ルーパー編～ | r101210 | 2026-04-21 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ | r121164 | 2026-05-16 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ Android Edition | r60342 | 2026-05-11 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ Download Edition | r28353 | 2026-05-11 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ Package Edition | r36544 | 2026-05-11 |
| Ultra Danganronpa, Despair Falls [Prologue] | r149342 | 2026-05-13 |
| UltraDate with V1 | r137159 | 2026-05-10 |
| Ultramarine | r89007 | 2026-04-21 |
| Ultraviolet | r113627 | 2026-04-21 |