| Out Run -Complete Pac- | r104414 | 2026-04-21 |
| Oushitsu no Yoru ~Kakureta Omoi~ | r102756 | 2026-05-13 |
| Ourselves v1.1.1.b | r91129 | 2026-04-21 |
| Ouritsu Nekomimi Gakuen ~Anata no Tame no Hatsujouki♪~ | r11084 | 2026-05-15 |
| Ouran Koukou Host Club - Limited Edition | r4420 | 2026-05-08 |
| Ouran High School Host Club | r124273 | 2026-04-21 |
| Ourai no Gahkthun: Shining Night - Popular Edition | r35251 | 2026-05-05 |
| Our last flight | r93260 | 2026-05-11 |
| Our last day | r100519 | 2026-05-11 |
| Our Years Together - Demo | r58408 | 2026-05-11 |
| Our World Is Ended. - NA Edition | r105853 | 2026-05-14 |
| Our World Is Ended. - NA Edition | r60303 | 2026-05-11 |
| Our World Is Ended. - NA Download Edition | r62624 | 2026-05-11 |
| Our World Is Ended. - NA Day One Edition | r105852 | 2026-05-11 |
| Our World Is Ended. - NA Day One Edition | r61652 | 2026-04-21 |
| Our World Is Ended. - EU Edition | r105850 | 2026-05-11 |
| Our World Is Ended. - EU Edition | r61653 | 2026-05-11 |
| Our World Is Ended. - EU Download Edition | r62623 | 2026-04-21 |
| Our World Is Ended. - EU Day One Edition | r61651 | 2026-04-21 |
| Our World Is Ended. - EU Day One Edition | r105848 | 2026-04-21 |
| Our World Has Not Decayed | r67068 | 2026-04-21 |
| Our Wonderland Remastered - Alpha Build | r126655 | 2026-05-11 |
| Our Wonderland Remastered | r148767 | 2026-05-12 |
| Our Wonderland | r86171 | 2026-05-14 |
| Our Wonderland | r130110 | 2026-05-10 |
| Our Winding Road | r106788 | 2026-04-21 |
| Our Winding Road | r134386 | 2026-04-21 |
| Our War Everlasting (Safe) | r41294 | 2026-05-05 |
| Our War Everlasting (Mature) | r41293 | 2026-04-21 |
| Our Vampire's Den | r143665 | 2026-05-11 |
| Our Two Bedroom Story | r71277 | 2026-05-11 |
| Our Two Bedroom Story | r31942 | 2026-04-21 |
| Our Toy Box | r130002 | 2026-04-21 |
| Our Time v0.2 | r90475 | 2026-05-11 |
| Our Time Ukrainian | r103363 | 2026-05-06 |
| Our Time | r57018 | 2026-05-11 |
| Our Time | r64008 | 2026-05-11 |
| Our Time | r58120 | 2026-05-11 |
| Our Time | r64009 | 2026-04-21 |
| Our Time | r64010 | 2026-04-21 |
| Our Summers | r93988 | 2026-04-21 |
| Our Summer Holiday | r28553 | 2026-04-21 |
| Our Summer Crush - Pilot Release | r136277 | 2026-04-21 |
| Our Shared Lie v0.2 | r97939 | 2026-04-21 |
| Our Shared Lie Part 3 | r124964 | 2026-04-21 |
| Our Secret: Price of the Forbidden Wishes v0.4.8 and UFO v0.6.8 | r103221 | 2026-04-21 |
| Our Secret: Price of Forbidden Wishes v0.4.8 Beta | r132684 | 2026-04-21 |
| Our Secret: Price of Forbidden Wishes - Early Access | r132685 | 2026-05-12 |
| Our Secret - Incest Patch | r103224 | 2026-04-21 |
| Our Red String v0.14.2.2 | r73433 | 2026-04-21 |