| Umineko Kareru | r117104 | 2026-05-16 |
| Umiiro Sayokyoku -Umiiro Serenade- | r132757 | 2026-05-07 |
| Umiiro Kyoushikyoku -Umiiro Rhapsody- | r88948 | 2026-05-14 |
| Umichan Sentoryu | r125630 | 2026-04-21 |
| Umibe no Yuki | r84875 | 2026-05-06 |
| Umi to Yuki no Cyan Blue - Trial Edition | r78711 | 2026-05-17 |
| Umi to Yuki no Cyan Blue - First Press Edition | r75919 | 2026-05-15 |
| Umi to Yuki no Cyan Blue | r80129 | 2026-04-21 |
| Umi to Yuki no Cyan Blue | r142701 | 2026-04-21 |
| Umi no Megami Sora no Megami | r12169 | 2026-05-07 |
| Umi no Kanata ni Aru Sekai -The Future Beyond the Sea- Download Edition | r22606 | 2026-05-06 |
| Umerareta Futari no Ningyou | r145765 | 2026-05-16 |
| Umeda Sky | r16308 | 2026-04-21 |
| Umbral Crown: Mark | r145645 | 2026-05-10 |
| Umbral Crown: Mark | r145646 | 2026-04-21 |
| Umbra Mortis | r63138 | 2026-05-07 |
| Umbra Mortis | r63229 | 2026-05-06 |
| Umagoya Princess - Package Edition | r22469 | 2026-05-10 |
| Uma no Prince-sama | r95452 | 2026-05-14 |
| Um Singular Retrato | r145431 | 2026-05-06 |
| Um Jammer Lammy - We Should Jam Together! | r125329 | 2026-04-21 |
| Um Conto de Bigodes Sujos - Demo | r139939 | 2026-05-11 |
| Um Conto de Bigodes Sujos | r139940 | 2026-05-11 |
| Ulybka Chjornoj Koshki | r26735 | 2026-05-16 |
| Ulvetime - Prologue | r124075 | 2026-05-06 |
| Ultraviolet | r113627 | 2026-04-21 |
| Ultramarine | r89007 | 2026-04-21 |
| UltraDate with V1 | r137159 | 2026-05-10 |
| Ultra Danganronpa, Despair Falls [Prologue] | r149342 | 2026-05-13 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ Package Edition | r36544 | 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~ Android Edition | r60342 | 2026-05-11 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ | r121164 | 2026-05-16 |
| UltimateRisingStar ～ルーパー編～ | r101210 | 2026-04-21 |
| UltimateRisingStar ~Upa Hen~ | r101208 | 2026-05-14 |
| Ultimate Solution | r91722 | 2026-04-21 |
| Ultimate Solution | r91721 | 2026-04-21 |
| Ultimate Select Hero / 究极勇者的选择传说 | r56753 | 2026-04-21 |
| Ultimate Novel Game Galactica - Extra - Download Edition | r77353 | 2026-05-14 |
| Ultimate Gamblin' Night 2: Please don't make me say it | r149200 | 2026-04-21 |
| Ultimate Gamblin' Night | r149199 | 2026-05-06 |
| Ultimate Factory - Main Story + Append Disk (Complete Edition) | r89629 | 2026-05-10 |
| Ultimate Factory - Comiket 70 Edition | r89628 | 2026-05-16 |
| Ultimate Factory - Append Disk | r89630 | 2026-05-14 |
| Ultimate Dating Sim v0.4.2 | r121319 | 2026-05-11 |
| Ulijib Agigoyang-i | r43014 | 2026-05-16 |
| Ukulele boy | r94167 | 2026-05-11 |
| Ukulele boy | r94166 | 2026-04-21 |
| Ukraine War Stories | r95424 | 2026-05-11 |
| Ukkarikon ~Mezametara, Wakeari Joushi no Tsuma Deshita~ | r78916 | 2026-05-15 |