 | Obduction Game Details | Review | Screens | Cyan | 7/10 |  |
 | Oceanhorn: Monster of Uncharted Seas Game Details | Review | Screens | Cornfox & Bros. | 5/10 |  |
 | Octahedron Game Details | Review | Screens | Square Enix | 8/10 |  |
 | Octopath Traveler II Game Details | Screens | Square Enix | |  |
 | Oddworld: Abe's Oddysee - New 'n' Tasty! Game Details | Review | Screens | Oddworld Inhabitants | 8/10 |  |
 | Odin Sphere Leifthrasir Game Details | Review | Screens | NIS America | 9/10 |  |
 | Oh My Godheads Game Details | Review | Screens | Square Enix | 5/10 |  |
 | Oh...Sir!! The Insult Simulator Game Details | Review | Screens | Vile Monarch | 7/10 |  |
 | Okami Game Details | Review | Screens | Capcom | 8/10 |  |
 | Old Time Hockey Game Details | Review | Screens | V7 Entertainment | 7/10 |  |
 | Omensight Game Details | Review | Screens | Spearhead | 7/10 |  |
 | One Night Stand Game Details | Review | Screens | Ratalaika Games | 8/10 |  |
 | One Piece: Burning Blood Game Details | Review | Screens | Bandai Namco | 6/10 |  |
 | One Piece: Pirate Warriors 3 Game Details | Review | Screens | Bandai Namco | 8/10 |  |
 | One Piece: Pirate Warriors 4 Game Details | Review | Screens | Bandai Namco | 7/10 |  |
 | One Piece: Unlimited World Red Game Details | Review | Screens | Bandai Namco | 7/10 |  |
 | One Punch Man: A Hero Nobody Knows Game Details | Review | Screens | Bandai Namco | 5/10 |  |
 | One Upon Light Game Details | Review | Screens | Rising Star Games | 7/10 |  |
 | Onechanbara Z2: Chaos Game Details | Review | Screens | NIS America | 6/10 |  |
 | Onee Chanbara Origin Game Details | Review | Screens | D3 Publisher | 5/10 |  |
 | Onrush Game Details | Review | Screens | Koch Media | 8/10 |  |
 | Othercide Game Details | Review | Screens | Focus Home | 6/10 |  |
 | Out of Ammo Game Details | Review | Screens | Zen | 2/10 |  |
 | Outbreak: The New Nightmare Game Details | Review | Screens | Dead Drop Studios LLC | 2/10 |  |
 | Outlast Game Details | Screens | Red Barrels | |  |
 | Outlast 2 Game Details | Review | Screens | Red Barrels | 5/10 |  |
 | Overcooked Game Details | Review | Screens | Team17 | 8/10 |  |
 | Overcooked! Game Details | Review | Screens | Team17 | 7/10 |  |
 | Overpass Game Details | Review | Screens | Nacon | 5/10 |  |