| Umi ni Ikou | r85852 | 2026-05-19 |
| Umi kara Kuru Mono | r13002 | 2026-05-26 |
| Umi de Deatta Tsuujou Egara | r102005 | 2026-06-09 |
| Umi Yuri Jingai! Hiramushi Shiai Hen | r155413 | 2026-06-02 |
| Umerareta Futari no Ningyou | r145765 | 2026-05-16 |
| Umeda Sky | r16308 | 2026-04-21 |
| Ume-chan - Trial | r128907 | 2026-06-09 |
| Ume wa Saita ka - Package Edition | r19187 | 2026-06-07 |
| Ume wa Saita ka - Download Edition | r19186 | 2026-06-07 |
| Ume no Sachi 2 | r152503 | 2026-05-19 |
| Umbral Crown: Mark | r145645 | 2026-05-10 |
| Umbral Crown: Mark | r145646 | 2026-04-21 |
| Umbra Mortis | r63229 | 2026-05-26 |
| Umbra Mortis | r63138 | 2026-05-07 |
| Umagoya Princess - Package Edition | r22469 | 2026-05-10 |
| Uma no Prince-sama | r95452 | 2026-05-14 |
| Um Singular Retrato | r145431 | 2026-05-29 |
| 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 | 2026-05-18 |
| 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 | 2026-05-18 |
| Ultimate☆Boob Wars!! ~Big Breasts vs Flat Chests~ Download Edition | r28353 | 2026-05-18 |
| 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 ~Upa Hen~ | r101208 | 2026-05-14 |
| UltimateRisingStar ~Rupa Hen~ | r101210 | 2026-05-25 |
| Ultimate Solution | r91722 | 2026-05-27 |
| Ultimate Solution | r91721 | 2026-05-26 |
| Ultimate Select Hero / 究极勇者的选择传说 | r56753 | 2026-04-21 |
| Ultimate Novel Game Galactica - Final Chapter: Ultimate Novel Game Galactica (Part 3) - Download Edition | r77357 | 2026-05-30 |
| Ultimate Novel Game Galactica - Extra - Download Edition | r77353 | 2026-05-14 |
| Ultimate Novel Game Galactica - Chapter 3: Ultimate Novel Game Galactica (Part 2) - Package Edition | r77351 | 2026-05-17 |
| Ultimate Novel Game Galactica - Chapter 3: Ultimate Novel Game Galactica (Part 2) - Download Edition | r77352 | 2026-05-20 |
| Ultimate Novel Game Galactica - Chapter 2: Ultimate Novel Game Galactica (Part 1) - Download Edition | r77349 | 2026-05-22 |
| Ultimate Novel Game Galactica - Chapter 1, 2, 3, 4 | r77355 | 2026-05-17 |
| Ultimate Novel Game Galactica - Chapter 1, 2, 3 | r77350 | 2026-05-20 |
| Ultimate Gamblin' Night 2: Please don't make me say it | r149200 | 2026-04-21 |
| Ultimate Gamblin' Night | r149199 | 2026-05-19 |
| 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 | r41191 | 2026-05-31 |
| Ulijib Agigoyang-i | r43014 | 2026-05-16 |