| The One, Volume 2 | r141944 | 2026-04-21 |
| The Onigami House Demo Version 0.1 | r25075 | 2026-04-21 |
| The Oniric Tower | r96879 | 2026-05-16 |
| The Only One Girl - First Quarter | r55205 | 2026-04-21 |
| The Opera Phantom | r75163 | 2026-05-11 |
| The Opera Phantom v.0.1 | r72771 | 2026-05-13 |
| The Oracle and the Philosopher | r96598 | 2026-04-21 |
| The Orange Glow | r134078 | 2026-05-17 |
| The Order of Baphomet | r97943 | 2026-04-21 |
| The Ordinary and The Extraordinary v1.0 | r107344 | 2026-04-21 |
| The Oriental Bride of the Emperor | r43749 | 2026-05-16 |
| The Orphan With a Big Family | r88758 | 2026-04-21 |
| The Orphaned Soul | r59612 | 2026-04-21 |
| The Other Question | r52460 | 2026-04-21 |
| The Other Side | r136098 | 2026-04-21 |
| The Other Side of the Abyss | r137927 | 2026-05-16 |
| The Other Woman v0.3.0 | r74101 | 2026-04-21 |
| The Other World | r11855 | 2026-05-17 |
| The Other Yandere (Unreleased 1999 Demo) | r56647 | 2026-04-21 |
| The Otherworldly Cheat Heroine Easily Corrupted ~Huh, My Girlfriend... Was She Stolen Away~ | r121004 | 2026-04-21 |
| The Otherworldly Wingman | r58917 | 2026-04-21 |
| The Ouroboros Express | r121437 | 2026-05-17 |
| The Outbreak Episode 1: The Catalyst | r28607 | 2026-04-21 |
| The Outbreak Episode 1: The Catalyst | r28606 | 2026-04-21 |
| The Outbreak Episode 2: The Escape | r28608 | 2026-04-21 |
| The Outbreak Episode 3: Criminal Minds | r29272 | 2026-04-21 |
| The Outbreak Episode 4: Life Choices | r30055 | 2026-04-21 |
| The Outbreak: Day Zero | r30417 | 2026-04-21 |
| The Outbreak: First Light | r34982 | 2026-04-21 |
| The Outbreak: First Light Part 1 | r34977 | 2026-04-21 |
| The Outbreak: First Light Part 2 | r34978 | 2026-04-21 |
| The Outbreak: First Light Part 3 | r34980 | 2026-04-21 |
| The Outbreak: First Light Part 4 | r34981 | 2026-04-21 |
| The Outcast Lovers | r73284 | 2026-04-21 |
| The Outong v0.1.0 | r83425 | 2026-04-21 |
| The Outong v0.1.8 | r73725 | 2026-04-21 |
| The Overlord Isn't Another Isekai Protagonist, Is He? (Early Access) | r103814 | 2026-04-21 |
| The Overlord Isn't Another Isekai Protagonist, Is He? - Demo | r85869 | 2026-04-21 |
| The Overlord Isn't Another Isekai Protagonist, Is He? v0.5 | r87371 | 2026-04-21 |
| The Overtime | r36261 | 2026-05-05 |
| The Overtime | r50953 | 2026-04-21 |
| The Owl House: The Chronicles of Sir William - Episode 5 | r150764 | 2026-05-17 |
| The Owl-Woman Oracle | r64580 | 2026-04-21 |
| The Pack | r61866 | 2026-04-21 |
| The Pack - Demo | r125945 | 2026-04-21 |
| The Package Day | r128601 | 2026-04-21 |
| The Package Day v1.0 | r119467 | 2026-04-21 |
| The Package Day v1.1 | r119468 | 2026-04-21 |
| The Pain They Cause; Devil Gods | r140924 | 2026-04-21 |
| The Pain They Cause; Devil Gods - Demo | r140923 | 2026-04-21 |