Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 |  |
 | Overlord BGamer 153 (Side A) | PC | | Covermount | | |  |
 | Overlord II | PC | | Preview Code | | |  |
 | Open Season (Disc 1) | PC | 1.00 | Original | | |  |
 | Open Season (Disc 1) | PC | 1.0 | Original | | 683131-CD1 |  |
 | Outlaw Golf | PC | | Original | | RM-OUTGOLF-UK |  |
 | Overlord: Raising Hell | PC | 1.3 | Original | | MOVLRCDEU00 |  |
 | Onimusha 3 | PC | | Original | | 5004561 |  |
 | Open Season (Disc 1) | PC | | Original | | 5004905-CD 1 |  |
 | Open Season (Disc 2) | PC | | Original | | 5004905-CD 2 |  |
 | Open Season (Disc 3) | PC | | Original | | 5004905-CD 3 |  |
 | Operation Flashpoint: Dragon Rising | PC | 1.0 | Original | | MOFP2CDEU00 |  |
 | Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 |  |
 | Operation Flashpoint: Red River | PC | 1.0 | Original | | MOFP3CDEU00 |  |
 | OutRun 2006: Coast 2 Coast | PC | | GSP White Label: Reload | | 1673A |  |
 | OutRun 2006: Coast 2 Coast | PC | | White Label | | 1673A |  |
 | OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 |  |
 | Overlord II | PC | | Original | | MOVL2CDEU00 |  |
 | Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | |  |
 | The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | S0025036 |  |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition | | S0025037 |  |
 | The Outforce | PC | 1.0.0.0 | Original | | |  |
 | Overlord | PC | | Original | | MOVL1CDEU00 |  |
 | Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | |  |
 | Operation Flashpoint: Red River | PC | | Kakaku Kaiteihan | | FBG028W000A10 |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 1) | PC | | Original | | |  |
 | Overlord | PC | 1.2 | Original | | MOVL1CDPL00 (DVD), POVL1CDPL03 (Box) |  |
 | Onimusha: Put' samuraja Onimusha: Путь самурая | PC | | Original | | |  |
 | Overlord II | PC | | Original | | |  |
 | Overlord: Raising Hell | PC | 1.3 | Original | | |  |