| Olympia Soirée - Package Edition | r76178 | 2026-05-13 |
| Olympia Soirée - Download Edition | r95963 | 2026-04-21 |
| Olympia Soiree - Download Edition | r69185 | 2026-05-14 |
| Olympia Soiree (demo) | r87930 | 2026-04-21 |
| Olympia Soiree | r86932 | 2026-05-05 |
| Ollyeoda Bwa, Bamhaneurui Byeoreul : Interstellar Focus | r127064 | 2026-05-16 |
| Olivine Lights | r134475 | 2026-04-21 |
| Olivia's Bad Day | r122504 | 2026-04-21 |
| Olivia's Bad Day | r122505 | 2026-04-21 |
| Olivia Dwight | r103854 | 2026-04-21 |
| Oliver Renhelf | r51278 | 2026-04-21 |
| Olga Doesn't Die | r148032 | 2026-05-07 |
| Old-Timer | r15573 | 2026-04-21 |
| Old Web Cobwebs | r121442 | 2026-04-21 |
| Old Story | r30039 | 2026-04-21 |
| Old Software | r90053 | 2026-05-14 |
| Old Software | r76980 | 2026-05-05 |
| Old Gay Cats Look at Old Photos - Yuri Game Jam Version | r99899 | 2026-05-14 |
| Old Gay Cats Look at Old Photos | r105783 | 2026-05-06 |
| Old Friends and Public Transport v0.0025 | r88271 | 2026-04-21 |
| Old Church | r90876 | 2026-05-16 |
| Old Church | r91038 | 2026-04-21 |
| Old Church | r91039 | 2026-04-21 |
| Old Church | r54408 | 2026-04-21 |
| Okyakusama!? Kouryaku Taishou wa Achira Desu yo!!! - Trial Edition | r49880 | 2026-05-07 |
| Okusama wa moto Yariman ~Besluted~ | r115139 | 2026-04-21 |
| Okuri Inu | r7381 | 2026-05-06 |
| Okujou no Yurirei-san - Download Edition | r41062 | 2026-05-17 |
| Okujoo Desu | r153645 | 2026-05-08 |
| Oku-san, Kane ga Nai nara Karada de Haratte Moraimashou ka? ~Hito no Tsuma-tachi no Ketsu o Narabete Tabekurabe! Netori Kissa Settai!~ Package Edition | r23513 | 2026-05-15 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ First Volume | r16773 | 2026-05-08 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ DVDPG Edition | r11417 | 2026-05-09 |
| Oku-sama wa Zansatsu Shoujo | r35201 | 2026-05-16 |
| Oku-sama wa Moto Yariman 2022 - DL Edition | r98714 | 2026-05-14 |
| Oku-sama wa Moto Yariman 2022 | r115076 | 2026-04-21 |
| Oku-sama wa Moto Yariman 2022 | r115766 | 2026-04-21 |
| Oku-sama wa Moto Yariman -Besluted- Trial Edition | r53084 | 2026-05-16 |
| Oku-sama wa Moto Yariman -Besluted- Package Edition | r23879 | 2026-05-13 |
| Oku-sama wa Miko? R ~Pretty Fiancee~ | r20587 | 2026-05-11 |
| Okozukai de Tsutte Chiisana Onna no Ko ni Seiteki na Itazura o Shite Mita | r40559 | 2026-05-07 |
| Okotoba Desu ga | r23397 | 2026-05-11 |
| Okoru to Shinimasu. | r93004 | 2026-05-16 |
| Okitsune-sama no Sanpai Hanjou Kouza - Package Edition | r134877 | 2026-05-17 |
| Okitsune-sama no Koisuru Omajinai - Trial Edition | r25991 | 2026-05-15 |
| Okitsune Nakadashi Ongaeshi ~Onee-san no Naka de Ippai Kimochi Yoku Natte ne~ DVDPG | r8420 | 2026-05-06 |
| Okite no Mura - CD-R Edition | r109798 | 2026-05-16 |
| Okinawa Slave Island | r15442 | 2026-05-05 |
| Okinawa Slave Island | r74852 | 2026-04-21 |
| Okiku's Well | r55168 | 2026-04-21 |
| Okiba ga Nai! - Regular Edition | r8551 | 2026-05-14 |