 | Octahedron Game Details | Review | Screens | Square Enix | 8/10 |  |
 | Octahedron Game Details | Review | Screens | Square Enix | 8/10 |  |
 | Octodad: Dadliest Catch Game Details | Review | Screens | Young Horses | 8/10 |  |
 | Octodad: Dadliest Catch Game Details | Screens | Young Horses | |  |
 | Octodad: Dadliest Catch Game Details | Review | Screens | Young Horses | 7/10 |  |
 | Odium to the Core Game Details | Review | Screens | QubicGames | 5/10 |  |
 | Oh My Godheads Game Details | Screens | Square Enix | |  |
 | Oh My Godheads Game Details | Screens | Square Enix | |  |
 | Oh My Godheads Game Details | Review | Screens | Square Enix | 5/10 |  |
 | On the Ball Game Details | Screens | Taito | |  |
 | One Piece: Pirate Warriors 4 Game Details | Review | Screens | Bandai Namco | 7/10 |  |
 | One Piece: Unlimited Adventure Game Details | Screens | Namco Bandai | |  |
 | One Piece: Unlimited Cruise SP Game Details | Review | Screens | Namco Bandai | 4/10 |  |
 | One Piece: Unlimited Cruise SP 2 Game Details | Screens | Namco Bandai | |  |
 | Onee Chanbara Origin Game Details | Review | Screens | D3 Publisher | 5/10 |  |
 | Original Journey Game Details | Review | Screens | Another Indie | 5/10 |  |
 | Out of Galaxy Koshika Game Details | Screens | SunSoft | |  |
 | Outlander Game Details | Screens | Mindscape | |  |
 | Outriders Game Details | Review | Screens | Square Enix | 5/10 |  |
 | Overgrowth Game Details | Review | Screens | Wolfire | 6/10 |  |