 | Odin Sphere: Leifdrasir PS4, PS3, PSV |  14.01.2016 |
 | Of Orcs and Men PC, PS3, X360 |  11.10.2012 |
 | Off-Road Drive: Rajdy Bezdroży PC |  30.09.2011 |
 | Okami HD PlayStation 3 | 30.10.2012 |
 | Okami HD PC, PS4, XOne |  12.12.2017 |
 | Okami HD Switch | 09.08.2018 |
 | Okami sequel PC, PS5, XSX | nieustalona |
 | Omerta: Miasto Gangsterów PC, X360 | 31.01.2013 |
 | One Piece: Pirate Warriors 2 PlayStation 3 | 30.08.2013 |
 | Onimusha 2: Samurai's Destiny PC, PS4, XOne |  23.05.2025 |
| Onimusha: Warlords PC, PS4, XOne, NS | 15.01.2019 |
 | Onimusha: Way of the Sword PC, PS5, XSX | 2026 rok |
 | Oninaki PS4, NS, PC | 22.08.2019 |
 | Orcs Must Die! 2 PC | 30.07.2012 |
 | Orgarhythm PS Vita | 09.08.2012 |