Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oddworld: Munch's Oddysee | XBOX | | Original, Classics | | MS-001 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Sega Dreamcast Magazine: Special Edition Preview PC CD-ROM | PC | | | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Xbox Magazine Game Disc 09 | XBOX | | Original | | IM-008 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Xbox Magazine Game Disc 10 | XBOX | | | | IM-009 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Xbox Magazine Game Disc 12 | XBOX | | | | IM-011 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-015 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-016 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | One Piece: Romance Dawn: Bouken no Yoake ワンピース ROMANCE DAWN 冒険の夜明け | PSP | 1.01 | Original | | ULJS 00550 … | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Onimusha: Warlords | PS2 | 1.02 | Original, Platinum | | SLES-50247 … | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ontdek het Onbekende Nederland | CDI | 1.06 | Original | | 814 0104 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Orange Pocket: Cornet オレンジポケット -コルネット- | DC | 1.004 | Original, Shokai Genteiban | | T-18707M, T-18708M | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ore no Shikabane o Koete Yuke 俺の屍を越えてゆけ | PSP | 1.01 | Original, Fukkatsu Kinen Genteiban | | UCJS 10116 … | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ore! Tomba オレっ!トンバ | PSX | | Original | | SLPS 01144 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Akumajou Dracula オレたちゲーセン族 悪魔城ドラキュラ | PS2 | 1.01 | Original | | SLPM 62729 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Karate-dou オレたちゲーセン族 空手道 | PS2 | 1.01 | Original | | SLPM 62628 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Nekketsu Kouha Kunio-kun オレたちゲーセン族 熱血硬派くにおくん | PS2 | 1.01 | Original | | SLPM 62706 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Pooyan オレたちゲーセン族 プーヤン | PS2 | 1.01 | Original | | SLPM 62731 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Super Volleyball オレたちゲーセン族 スーパーバレーボール | PS2 | 1.04 | Original | | SLPM 62660 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oretachi Geesen Zoku: Time Pilot オレたちゲーセン族 タイムパイロット | PS2 | 1.01 | Original | | SLPM 62644 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ouran Koukou Host Club 桜蘭高校ホスト部 | PS2 | 1.01 | Genteiban | | SLPM 66737 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |