| Uniform | r36444 | 2026-05-07 |
| Uninvited Feelings | r132390 | 2026-05-11 |
| Uninvited Feelings v1.1 | r139705 | 2026-05-13 |
| Unionism Quartet | r116311 | 2026-05-16 |
| Unionism Quartet | r56526 | 2026-05-16 |
| Unionism Quartet - Regular Edition | r38108 | 2026-05-11 |
| Unionism Quartet - Reservation Privilege Harem Patch | r37948 | 2026-05-16 |
| Unionism Quartet A3-Days | r116312 | 2026-04-21 |
| Unionism Quartet A3-Days - Package Edition | r46859 | 2026-05-16 |
| Unionism Quartet B2-Style - B2 Tapestry Set | r150311 | 2026-05-14 |
| Unionism Quartet B2-Style - Package Edition | r146525 | 2026-05-14 |
| Unique Ladies | r134800 | 2026-05-06 |
| Unique Ladies - Censored Edition | r132349 | 2026-05-13 |
| Unique Ladies 18+ Patch | r132350 | 2026-04-21 |
| Unison Shift Itou Noizi Tsumeawase 15 Sakuhin Set | r75016 | 2026-05-16 |
| United Forever 0.6 | r114736 | 2026-04-21 |
| United by Destiny | r114734 | 2026-04-21 |
| Unity Marriage ~Futari no Hanayome~ Memorial Edition | r5912 | 2026-05-15 |
| Univ ~Ai Omatase~ First Press Edition with F&C card | r36949 | 2026-05-09 |
| Univ ~Koi Hajimaru Yo~ | r10291 | 2026-05-09 |
| Unival! Paranormal Girls Strike!! | r6043 | 2026-05-12 |
| Unival! Paranormal Girls Strike!! - Trial Edition | r6262 | 2026-05-15 |
| Universal Emperor v1.0 | r98390 | 2026-04-21 |
| Universal Nuts | r39835 | 2026-05-10 |
| Universal rUGP Win10 crash fix | r94522 | 2026-05-08 |
| Universally Loved | r58425 | 2026-04-21 |
| Universe Has No Favorites | r122120 | 2026-05-12 |
| Universe Talk v1.0 | r104392 | 2026-04-21 |
| Universitet Problem v1.8.5 Extended | r92694 | 2026-05-02 |
| Universitet Vinovella Book One v1.03 + Book Two v1.4.16 | r100650 | 2026-05-13 |
| University Days - Season 1 | r137660 | 2026-05-11 |
| University Days - Season 1 | r143513 | 2026-04-21 |
| University Days - Season 2 - Early Access | r149371 | 2026-05-10 |
| University Days - Season 2 Ep. 1-7 | r143512 | 2026-04-21 |
| University Days: Season 1 Episode 11 | r111825 | 2026-05-17 |
| University Intrigues | r140834 | 2026-05-13 |
| University Life | r54525 | 2026-04-21 |
| University Love | r108330 | 2026-05-05 |
| University Love Affair | r99942 | 2026-04-21 |
| University Murder Case | r92249 | 2026-04-21 |
| University Trans-fer v0.3 | r149473 | 2026-05-12 |
| University of Choices [v0.4.3] | r145477 | 2026-05-13 |
| University of Problems: Basic Edition v1.8.5 | r84214 | 2026-04-21 |
| University of Problems: Extended Edition v1.8.5 | r84215 | 2026-04-21 |
| University of the Dead | r69256 | 2026-05-17 |
| Univocity | r134485 | 2026-04-21 |
| Univocity | r132719 | 2026-04-21 |
| Unjou no Fairy Tale | r99009 | 2026-04-21 |
| Unjou no Fairy Tale Raburabu Ecchi Append Disc Extra! | r56216 | 2026-05-15 |
| Unknown | r108723 | 2026-04-21 |