 | Observer Game Details | Review | Screens | Bloober Team | 6/10 |  |
 | Oceanhorn 2: Knights of the Lost Realm Game Details | Review | Screens | Cornfox & Bros. | 5/10 |  |
 | Oceanhorn: Monster of Uncharted Seas Game Details | Review | Screens | Cornfox & Bros. | 7/10 |  |
 | Octahedron Game Details | Review | Screens | Square Enix | 8/10 |  |
 | Octodad: Dadliest Catch Game Details | Review | Screens | Young Horses | 7/10 |  |
 | Octopath Traveler Game Details | Review | Screens | Square Enix | 9/10 |  |
 | Octopath Traveler II Game Details | Review | Screens | Square Enix | 7/10 |  |
 | Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 8/10 |  |
 | Oddworld: Munch's Oddysee Game Details | Review | Screens | Oddworld Inhabitants | 4/10 |  |
 | Odium to the Core Game Details | Review | Screens | QubicGames | 5/10 |  |
 | Okami Game Details | Review | Screens | Capcom | 9/10 |  |
 | Old Man's Journey Game Details | Review | Screens | Broken Rules | 4/10 |  |
 | Old School Musical Game Details | Review | Screens | Plug In Digital | 9/10 |  |
 | OlliOlli World Game Details | Review | Screens | Private Division | 9/10 |  |
 | OlliOlli: Switch Stance Game Details | Review | Screens | Gambitious Digital | 8/10 |  |
 | Olympia Soiree Game Details | Review | Screens | Aksys | 6/10 |  |
 | Omega Labyrinth Life Game Details | Review | Screens | D3 Publisher | 8/10 |  |
 | One Night Stand Game Details | Review | Screens | Ratalaika Games | 6/10 |  |
 | One-Way Ticket Game Details | Review | Screens | Zodiac Interactive Limited | 8/10 |  |
 | Onimusha: Warlords Game Details | Review | Screens | Capcom | 7/10 |  |
 | Oninaki Game Details | Review | Screens | Square Enix | 7/10 |  |
 | Ori and the Blind Forest Game Details | Review | Screens | Xbox Game | 9/10 |  |
 | Othello Game Details | Review | Screens | Arc System Works | 6/10 |  |
 | Outer Wilds Game Details | Review | Screens | Annapurna | 5/10 |  |
 | Outlast 2 Game Details | Review | Screens | Red Barrels | 6/10 |  |
 | Outlast: Bundle of Terror Game Details | Review | Screens | Red Barrels | 7/10 |  |
 | Overcooked! Game Details | Review | Screens | Team17 | 6/10 |  |
 | Overcooked! 2 Game Details | Review | Screens | Team17 | 8/10 |  |
 | Overcooked! 2 - Surf 'n' Turf Game Details | Review | Screens | Team17 | 7/10 |  |
 | Overcooked! All You Can Eat Game Details | Review | Screens | Team17 | 9/10 |  |
 | Owlboy Game Details | Review | Screens | D-Pad Studio | 7/10 |  |