| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | |  |
 | Obscure (Disc 1)
惊悚空间 | PC | 1.0 | Original |  | | |
 | Olivers Äventyr: Drakens Förbannelse | PC | | Original |     | 021120110 | |
| One Must Fall: Battlegrounds | PC | 2090 | Original |  | | |
 | One Must Fall: Battlegrounds | PC | 2090 | Original | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | | |
| Operation: Surgery Has Never Been so Silly! | PC | | Sold Out Software | | | |
| The Operational Art of War: Century of Warfare | PC | | Original | | | |
| Outcast (Disc 2) | PC | | Original | | 42831-9110TC | |
| Outlive | PC | 1.01 | Original | | | |
 | Offroad
Off-Road Redneck Racing | PC | | Original |     | ECD 000592K | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 | |
| OutRun 2006: Coast 2 Coast (Disc 1) | PC | | Original | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | | Bundle Version Micro-Star International OEM | | CD-W581995-MSYZ1, FXX08903223D1 | |
| Oddworld: Abe's Exoddus (CD Installieren) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (CD Abspielen) | PC | 2.0 | Original | | | |
| The Operational Art of War II: 1956-2000
The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
 | O Xephteris Taxideuei stin Ellada
Ο Ξεφτέρης ταξιδεύει στην Ελλάδα | PC | | Original |  | | |
 | Ore no Shita de Agake
俺の下であがけ | PC | System3.9 Ver.5.43 | Original |  | ALB-005 | |
![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]")