| Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Our House featuring The Family Circus | VIS | | Original | | 25-6146 |  |
 | Otostaz オトスタツ | PS2 | 1.00 | Original | | SCPS 11024 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otostaz 蓋蓋樂 | PS2 | 1.00 | Original | | SCPS 55023 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otomedius Excellent | XBOX360 | | Original | | KN-2106 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otogi: Myth of Demons | XBOX | | Original | | FS-002 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otogi: Myth of Demons | XBOX | | Special Pack | | FS-002 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otogi: Myth of Demons | XBOX | | Original | | FS-002 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 |  |
 | Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Othello CD-ROM | PC | | Original | | |  |
 | Othello | PC | | Original | | 99011 |  |
 | Othello | PC | | Original | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ost-Indskaya kompaniya: Zolotoe izdanie Ост-Индская компания: Золотое издание | PC | | Original | | |  |
 | Oshidashi Zintrick ~ ZinTricK 押し出しジントリック | NGCD | | Original | | ADCD-104 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 |  |
 | Oscar the Balloonist and the Secrets of the Forest Oscar de Ballonvaarder en de Geheimen van het Bos | PC | | Libelle | | |  |
 | Oscar der Ballonfahrer und die Geheimnisse des Waldes | PC | | | | |  |
 | Oscar | PC | | Jackson Libri | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oscar | PC | | Golden Zone | | |  |
 | Oscar | PC | | Original | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLUS-20011 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLES-50062 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | |  |
 | Orly's Draw-A-Story | PC | | Original | | |  |
 | Orion's Puzzle Collection | DC | 1.000 | Unlicensed | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orion Conspiracy | PC | 1.01 | Original | | |  |
 | Orion Burger | MAC | | Original | | |  |
 | The Original Mulan 花木兰 | PC | | Original | | |  |
 | The Original Links | PC | | Solid Gold Edition | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Origami | CDI | | Original | | 810 0041 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Original, Limited Edition | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The OrganWise Guys: OrganWise-ology Game | PC | | Original | | |  |
 | 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) |
 | The Oregon Trail: Classic Edition | PC | 3.0.1 | SoftKey | | POT144CE-CD |  |
 | The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144BE-CD |  |
 | The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 |  |
 | The Oregon Trail | PC | 1.22 | Smart Saver | | ORT844AE-CD |  |
 | The Oregon Trail | PC | 1.21 | | | |  |
 | The Oregon Trail | PC | 1.2 | Original | | #HCD706 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail | PC | 1.2 | Original | | #HCD706 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail | PC | 1.1 | Original | | #HCD606 |  |
 | The Oregon Trail | PC | 1.0 | Original | | |  |
 | 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) |
 | Oregon Trail II: 25th Anniversary Limited Edition | PC | 1.3 | Original, SoftKey | | #OTR744AE-CD | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oregon Trail II | PC | 1.32 | Rerelease | | #HCD744CE-CD |  |
 | Oregon Trail II | PC | 1.31 | Rerelease | | #HCD744AE-CD | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD |  |
 | Oregon Trail II | PC | 1.3 | Rerelease | | #HCD744AE-CD |  |
 | Oregon Trail II | PC | 1.3 | Smart Saver | | 381032-CD/i401ha | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oregon Trail II | PC | 1.0 | Original | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.1 | Rerelease, Southwestern School Set | | 380859B-CD | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859-CD | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Scholastic | | 380859-CD WP2 |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859A-CD |  |
 | The Oregon Trail 4th Edition (Disc 3) | PC | 1.1 | Rerelease | | OTF744BE-CD3 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1.1 | Rerelease | | OTF744BE-CD2 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Rerelease | | OTF744CE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Original | | OTF744AE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 1) | PC | 1.1 | Rerelease | | OTF744BE-CD1 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.3 | The Learning Company | | OAE744BE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.2 | Original | | OTA744BE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.3 | The Learning Company | | OAE744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.2 | Original | | OTA744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | | Original | | OTA744AE-CD2 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.3 | The Learning Company | | OAE744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Original | | OTA744CE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Rerelease | | OTA744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.0 | Original | | OTA744AE-CD1 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD |  |
 | Oregano Oregano: RISC OS Web Browser | ARCH | | Original | | |  |
 | Ore no Yotto: Ganbare! Nippon Challenge 俺のヨット ~がんばれ! ニッポン・チャレンジ~ | PSX | | Original | | SLPS 02132 |  |
 | Order Up!! | PS3 | 01.02 | Original | | BLUS-30904 |  |
 | Order Up!! | PS3 | 01.04 | Original | | BLES-01470 |  |
 | Order Up! | WII | | Original | | RVL-ROXP-UKV |  |
 | Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | | Original | | RVL-ROXX-EUR |  |
 | Orchid Technology Kelvin MPEG Software Catalog | PC | | | | |  |
 | Orbatak | 3DO | | Arcade CD-ROM | | |  |
 | The Orange Box (Disc 2) | PC | | Original, EA Classics | | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box 오렌지 박스 | XBOX360 | | Original | | EA-2063 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 1) | PC | | Original, EA Classics | | 985207, VAE07705811D, VAE07705811D/ENG, VAE07707118D/ENG, VAX07705811D/AUS | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box 오렌지 박스 | PS3 | 01.00 | Original | | BLAS 50034 … | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 2) | PC | | Original | | 985217 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 2) 戰慄時空2:二部曲重裝旗艦版 | PC | | Original | | TTE0193 |  |
 | The Orange Box (Disc 1) 戰慄時空2:二部曲重裝旗艦版 | PC | | Original | | TTE0193 |  |
 | The Orange Box (Disc 2) | PC | 4295 / 4539 | Rerelease | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 2) | PC | | Original | | |  |
 | The Orange Box (Disc 1) | PC | 4295 / 4539 | Rerelease | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 1) | PC | | Original | | |  |
 | The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box | PS3 | 01.00 | Original | | BLES-00171 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | The Orange Box (Disc 1) | PC | | Original | | VAX07705811D | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |