| Oddworld: Abe's Oddysee Game Details | Review | Screens | GT | 9/10 | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Screens | Oddworld Inhabitants | | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 8/10 | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 8/10 | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 7/10 | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 8/10 | |
| Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 7/10 | |
| Oddworld: SoulStorm Game Details | Review | Screens | Oddworld Inhabitants | 9/10 | |
| Odin Sphere Leifthrasir Game Details | Review | Screens | NIS America | 9/10 | |
| Odin Sphere Leifthrasir Game Details | Review | Screens | NIS America | 9/10 | |
| OlliOlli World Game Details | Review | Screens | Private Division | 9/10 | |
| OlliOlli: Switch Stance Game Details | Review | Screens | Gambitious Digital | 8/10 | |
| One Dog Story Game Details | Review | Screens | Big Way | 6/10 | |
| Open Season Game Details | Screens | Ubisoft | | |
| Ori and the Blind Forest Game Details | Review | Screens | Microsoft Game Studios | 9/10 | |
| Ori and the Blind Forest Game Details | Review | Screens | Xbox Game | 9/10 | |
| Ori and the Will of the Wisps Game Details | Review | Screens | Xbox Game Studios | 9/10 | |
| Ori and the Will of the Wisps Game Details | Review | Screens | Xbox Game | 9/10 | |
| Oscar Game Details | Screens | Titus | | |
| Outbuddies Game Details | Review | Screens | Headup | 6/10 | |
| Outland Game Details | Review | Screens | Housemarque | 8/10 | |
| Owlboy Game Details | Review | Screens | D-Pad Studio | 7/10 | |