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| U Sani ne bylo vragov | r105529 | 2026-05-22 |
| U vas est' SOL'? | r128975 | 2026-05-25 |
| U vas est' SOL'? - Jam Version | r129091 | 2026-05-25 |
| U-15 Under Fifteen - Package Edition | r21207 | 2026-05-08 |
| U-15 アンダーフィフティーン ダウンロード版 | r21208 | 2026-04-21 |
| U-ena -Toohanabi no Shoujo- | r79208 | 2026-05-17 |
| U-ena -Toohanabi no Shoujo- | r91050 | 2026-05-08 |
| U.B.E.ZH.I.SCH.E - Istorija Apokalipsisa | r92687 | 2026-05-27 |
| U.F.O Quest | r98890 | 2026-06-06 |
| U.G.D | r101993 | 2026-05-08 |
| U.S.Z.I.O.K. | r32866 | 2026-04-21 |
| U4iA - Season 1 | r142595 | 2026-04-21 |
| U> Nani Yori mo, Kimi | r39712 | 2026-05-11 |
| UBAI Again | r147355 | 2026-05-21 |
| UBAI Again - Censored Edition | r147354 | 2026-05-10 |
| UBAI: To Take Another Man’s Property | r142215 | 2026-05-09 |
| UBAI: To Take Another Man’s Property - 18+ Patch | r144669 | 2026-05-16 |
| UC Love | r104315 | 2026-05-14 |
| UC Love | r91869 | 2026-05-08 |
| UC Love | r104316 | 2026-04-21 |
| UCOPIA | r130866 | 2026-05-08 |
| UF Mahjong! | r132949 | 2026-05-16 |
| UF Mahjong! Complete Edition (Main + Append Disc) | r132950 | 2026-06-07 |
| UFO STI WTF | r55400 | 2026-04-21 |
| UFO o Sagashi ni! | r117760 | 2026-05-08 |
| UFO v0.6.8 Beta | r84815 | 2026-04-21 |
| ULTIMATUM: The Slaughter of Amaranth - PROLOGUE v1.3 | r146585 | 2026-05-08 |
| ULTRA VIOLENCE -Anti:HAPPINESS.- | r102221 | 2026-06-02 |
| ULTRA VIOLENCE -Special:HARDCORE.- | r102222 | 2026-05-08 |
| UN:LOGICAL After Episode Collection Vol.1 | r151223 | 2026-05-15 |
| UN:LOGICAL Limited Revelation BOX | r139571 | 2026-05-08 |
| UN:LOGICAL Standard Edition | r125548 | 2026-05-15 |
| UN:LOGICAL Trial Edition | r145894 | 2026-05-12 |
| UN:LOGICAL ダウンロード版 | r146135 | 2026-04-21 |
| UNBALANCE ~Boku ga Nakushita Mono~ Download Edition | r128571 | 2026-05-19 |
| UNBALANCE ~Boku ga Nakushita Mono~ Package Edition | r128572 | 2026-05-08 |
| UNCLEAN MEMORIES | r141418 | 2026-05-25 |
| UNDAWN: Shackles Of Eternity - Chapter 1 | r144062 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH | r57889 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH Exe:Late | r57890 | 2026-05-08 |
| UNDER NIGHT IN-BIRTH Exe:Late | r57895 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH Exe:Late | r57891 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH Exe:Late[cl-r] | r69862 | 2026-05-09 |
| UNDER NIGHT IN-BIRTH Exe:Late[cl-r] | r70425 | 2026-05-08 |
| UNDER NIGHT IN-BIRTH Exe:Late[st] | r57899 | 2026-05-10 |
| UNDER NIGHT IN-BIRTH Exe:Late[st] | r57898 | 2026-05-09 |
| UNDER NIGHT IN-BIRTH Exe:Late[st] | r57896 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH Exe:Late[st] | r57900 | 2026-04-21 |
| UNDER NIGHT IN-BIRTH Exe:Late[st] | r57919 | 2026-04-21 |