| Otsuki-sama ni Kaeru Hi | r107772 | 2026-06-05 |
| Otsukoro | r105818 | 2026-05-19 |
| Otsumu Tenten ~Onii-chan to 3nin Musume no Mattari Ecchi na Nichijou~ First Press Special Edition | r3483 | 2026-05-22 |
| Otsuokan kara no Shoutaijou | r74483 | 2026-05-22 |
| Otsuru Ougon no Gyokuza wa Utau | r30109 | 2026-05-21 |
| Otsutome Sakuya-san | r121510 | 2026-05-31 |
| Otsutome Sakuya-san | r121527 | 2026-05-25 |
| Otter Of My Life - Demo | r58923 | 2026-05-13 |
| Otter Tale - Build 7 | r133950 | 2026-05-15 |
| Otter Tale - Build 9 | r110314 | 2026-05-26 |
| Otter of My Life | r66740 | 2026-04-21 |
| Otto ga mi Terukara mou Yamete… Shainryokou de Douryou tachi Nimo te Asobareru Kyonyu Hitozuma - DVDPG | r151970 | 2026-05-26 |
| Otto ni Ienai Gifu to no Kan'in ~Iya nanoni Wasurerarenaku Narisou~ Download Edition | r47878 | 2026-06-04 |
| Otto ni Kakurete Mesubuta Onaho ni Sarete Haramiiki Suru Hitozuma-tachi - Package Edition | r57437 | 2026-06-01 |
| Otto no Inu Ma ni... ~Watashi Odosarete, Anata ni Ienai Koto Shimashita~ | r116174 | 2026-05-13 |
| Otto no Inu Ma ni... ~Watashi Odosarete, Anata ni Ienai Koto Shimashita~ Download Edition | r54047 | 2026-05-21 |
| Otto no Inu Ma ni... ~Watashi Odosarete, Anata ni Ienai Koto Shimashita~ Trial Edition | r53773 | 2026-05-17 |
| Otto no Mae de Okasarete... | r4748 | 2026-06-06 |
| Otto no Mae de Okasarete... Windows 10 Support Edition | r128491 | 2026-06-03 |
| Otto no Shin'yuu no Chi*po o Kuwaeru Inran Bakunyuu Tsuma Fujii Yukari | r15916 | 2026-05-22 |
| Otto no Tonari de Yobai Sareru Hounyuu Nikubenki Tsuma Yuuki Chigusa | r15923 | 2026-05-15 |
| Otto o Aisuru Bakunyuu Hitozuma-tachi ga Toshishita no Saru Seiyoku ni Jurin sarete Tsugou no ii Harami Omocha ni Ochiru Made | r91467 | 2026-05-27 |
| Otto yori Takumashii Mono de Tsukaretara… ~Musume ga Tsurete Kita Gaikoku Kareshi wa Haha no Watashi mo Onna ni Saseta~ Download Edition | r72949 | 2026-05-22 |
| Ottoi ~Ijou Fuushuu Rinkan Mura~ Package Edition | r23587 | 2026-05-22 |
| Ottoman Dreams: Rise of Süleiman | r129450 | 2026-05-29 |
| Ou bi 3011 | r125483 | 2026-05-31 |
| Ou no Mimi ni wa Todokanai! - Trial Edition | r77721 | 2026-05-26 |
| Ou-sama Game | r103204 | 2026-05-20 |
| Ou-sama Juuzoku Mail Iinari no Gakuen | r20276 | 2026-05-10 |
| Ou-sama Juuzoku Mail Iinari no Gakuen - Download Edition | r111502 | 2026-05-28 |
| Ou-sama Juuzoku Mail Iinari no Gakuen Complete Set of 4 DVDPG Low Price Edition | r150015 | 2026-05-22 |
| Ou-sama Juuzoku Mail Ou-sama Game 1-kai-me shi to Kan'nou no Kanshoku - DVDPG | r75489 | 2026-05-26 |
| Ou-sama Juuzoku Mail Ou-sama Game 2-kai-me Zetsubou to Koufun no Kanshoku - DVDPG | r76645 | 2026-05-25 |
| Ou-sama Juuzoku Mail Ou-sama Game 3-kai-me Kouhen Kyoufu to Kindan no Kanshoku - DVDPG | r76647 | 2026-05-22 |
| Ou-sama Juuzoku Mail Ou-sama Game 3-kai-me Zenpen Hiwai to Zange no Kanshoku - DVDPG | r76646 | 2026-05-22 |
| Ou-sama game | r105084 | 2026-05-20 |
| Ou-sama no Chou - Download Edition | r28584 | 2026-05-21 |
| Ou-sama no Chou - Package Edition | r28583 | 2026-06-07 |
| Ou-sama no Chou -Petit- Package Edition | r38053 | 2026-05-30 |
| Ou-sama no Chou Orei Kikaku Game | r34046 | 2026-06-01 |
| Ou-sama no Shokuzai - Download Edition | r40176 | 2026-06-01 |
| Ou-sama no Shokuzai - Package Edition | r40175 | 2026-05-12 |
| Ouchi de Kurasou! - Download Edition | r34087 | 2026-05-22 |
| Ouchi de Kurasou! - Package Edition | r34085 | 2026-05-30 |
| Ouchi de Kurasou! - Trial Edition | r155761 | 2026-05-28 |
| Ouchi de Kurasou! - Trial Edition | r34086 | 2026-05-27 |
| Ouchi ni Kaeru made ga Mashimaro Desu - Download Edition | r65616 | 2026-06-10 |
| Oudou Yuusha | r8621 | 2026-05-08 |
| Oudou Yuusha - Low Price Edition | r8622 | 2026-06-01 |
| Ougon no Gyakuten - Download Edition | r30594 | 2026-06-05 |