Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Omar Sharif Bridge | PC | 1.0 | Original | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Onimusha 鬼武者 | PS2 | 1.03 | Original, Mega Hits! | | SLPM 65010 … | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Onimusha 3 鬼武者3 | PS2 | 1.01 | Original | | SLPM 65413 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | O.D.T. | PSX | | Demo | | SLUS-90043 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oceans Below The Software Toolworks Presents ... Oceans Below | MAC | | Original | | 2198620-590001 / I 073100, CDRM1103420 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oddworld: Abe's Exoddus (Play) | PC | | Original | | 04-15993CD2 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Oddworld: Abe's Exoddus (Install) | PC | 2.0 | Original | | 04-15993CD1 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Odell Down Under | PC | | Original, SoftKey | | POD544AE-CD | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | ODS Robot Challenge | PC | | Original | | |  |
 | 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 U.S. PlayStation Magazine Demo Disc 20 | PSX | | | | SCUS-94282 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 54 | PSX | | | | SCUS-94664 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 56 | PS2 | 1.00 | | | SCUS 97182 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 57 | PS2 | 1.00 | | | SCUS 97183 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 59 | PS2 | 1.00 | | | SCUS 97185 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 60 | PS2 | 1.00 | | | SCUS 97186 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 61 | PS2 | 1.00 | | | SCUS 97187 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 62 | PS2 | 1.00 | | | SCUS 97188 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 63 | PS2 | 1.00 | | | SCUS 97189 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 64 | PS2 | 1.00 | | | SCUS 97190 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 65 | PS2 | 1.00 | | | SCUS 97191 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 66 | PS2 | 1.00 | | | SCUS 97241 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 67 | PS2 | 1.00 | | | SCUS 97242 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 73 | PS2 | 1.00 | | | SCUS 97248 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 77 | PS2 | 1.00 | | | SCUS 97252 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 78 | PS2 | 1.01 | | | SCUS 97331 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 79 | PS2 | 1.00 | | | SCUS 97332 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Official U.S. PlayStation Magazine Demo Disc 85 | PS2 | 1.00 | | | SCUS 97338 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ohio Distinctive Software Vol. I | PC | | | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Online Start-Up Disc v3.0 | PS2 | 1.01 | | | PBPX-95242 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Opening Night | PC | 1.0 | Original | | #HCD646A |  |
 | Opening Night: Behind The Scenes | PC | 1.0 | Original | | #HCD646B |  |
 | Operation | PC | | General Mills | | AM801R5 | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Optimum Resource Sampler | PC | | Original | | |  |
 | Optimum Resource Sampler | PC | | Rerelease | | |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Rerelease | | OTA744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.2 | Original | | OTA744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.2 | Original | | OTA744BE-CD3 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Rerelease | | OTF744CE-CD2 |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-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) |
 | The Oregon Trail | PC | 1.1 | Original | | #HCD606 |  |
 | 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) |
 | Out of This World | 3DO | | Original | | | ![2 and more dumps from original media [!] 2 and more dumps from original media [!]](/images/status/green.png) |
 | Ozzie's World | PC | | Original | | |  |