Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 |  |
 | Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 |  |
 | The Oregon Trail | WII | | 40th Anniversary Edition | | RVL-SORE-USA-B0 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | De Ontdekker en het Mysterie van de Diamanten Scarabee The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 |  |
 | Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 |  |
 | Outdoor Action Double Pack Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 |  |
 | Offshore Tycoon | WII | | Original | | RVL-RXFE-USA | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Octomania | WII | | Original | | RVL-RTKE-USA |  |
 | Oboro Muramasa 朧村正 | WII | | Original, Minna no Osusume Selection | | RVL-RSFJ-JPN-B0 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ocean Commander | WII | | Original | | RVL-RQME-USA |  |
 | Opoona | WII | | Original | | RVL-RPOP-EUR |  |
 | Opoona オプーナ | WII | | Original | | RVL-RPOJ-JPN |  |
 | Opoona | WII | | Original | | RVL-RPOE-USA | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Order Up! | WII | | Original | | RVL-ROXX-EUR |  |
 | Order Up! | WII | | Original | | RVL-ROXP-UKV |  |
 | Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | | Original | | RVL-ROXE-USA |  |
 | Ōkami | WII | | Original | | RVL-ROWP-EUR | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ookami 大神 | WII | | Original | | RVL-ROWJ-JPN-B0 |  |
 | Ōkami | WII | | Original | | RVL-ROWE-USA | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | One Piece: Unlimited Cruise 1: The Treasure Beneath the Waves | WII | | Original | | RVL-ROUP-EUR-B0 |  |
 | One Piece: Unlimited Cruise: Episode 1: Nami ni Yureru Hihou ワンピース アンリミテッドクルーズ エピソード1 波に揺れる秘宝 | WII | Rev 1 | Minna no Osusume Selection | | RVL-ROUJ-JPN-B0 |  |
 | Open Season | WII | | Original | | RVL-ROPP-EUR |  |
 | Open Season | WII | | Original | | RVL-ROPE-USA |  |
 | Onechanbara: Bikini Zombie Slayers | WII | Rev 1 | Original | | RVL-RONP-EUR | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oneechanbara Revolution お姉チャンバラ Revolution | WII | | Original | | RVL-RONJ-JPN |  |
 | Onechanbara: Bikini Zombie Slayers | WII | | Original | | RVL-RONE-USA |  |
 | Offroad Extreme! | WII | | Original | | RVL-ROFX-NOE |  |
 | Offroad Extreme! | WII | | Original | | RVL-ROFP-UKV-1 |  |
 | Offroad Extreme! Special Edition | WII | | Original | | RVL-ROFE-USA-B0 |  |
 | Odoru Made in Wario おどる メイド イン ワリオ | WII | | Original | | RVL-RODJ-JPN |  |
 | Obscure II ObsCure II | WII | | Original | | RVL-ROBP-EUR |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | WII | | Original | | RVL-ROBE-USA |  |
 | Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR |  |
 | Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA |  |
 | Ousama Monogatari 王様物語 | WII | | Original | | RVL-RO3J-JPN-B0 |  |
 | Off Road | WII | | Original | | RVL-RO2P-EUR |  |
 | Ougon no Kizuna 黄金の絆 | WII | | Original | | RVL-RK7J-JPN |  |
 | One Piece: Unlimited Cruise 2: Awakening of a Hero | WII | | Original | | RVL-RIUP-EUR-B0 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-JPN-B0 |  |
 | One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | | Original | | RVL-RIUJ-JPN |  |
 | One Piece: Unlimited Adventure ワンピース アンリミテッドアドベンチャー | WII | | Original | | RVL-RIPJ-JPN |  |
 | Osouji Sentai Clean Keeper お掃除戦隊くりーんきーぱー | WII | | Original | | RVL-RC5J-JPN |  |
 | Oyako de Asobo: Miffy no Omochabako おやこ で あそぼ ミッフィーの おもちゃばこ | WII | | Original | | RVL-R3UJ-JPN-B0 |  |
 | Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 |  |
 | Oha Suta Produce! Gentei Collabo Game Disc!! おはスタプロデュース!限定コラボゲームディスク!! | WII | | Limited Edition | | RVL-DCHJ-JPN |  |
 | Ousama Monogatari 王様物語 | WII | | Beta | | |  |
 | Order Up! | WII | | Beta | | |  |
 | Onslaught | WII | | Beta | | |  |
 | Ōkami | WII | | Beta | | |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | WII | | Beta | | |  |