| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original |  | | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
| The Operative: No One Lives Forever (Disc 1) | PC | | Game of the Year Edition | | | |
 | The Operative: No One Lives Forever (Disc 2)
ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original |  | | |
| The Operative: No One Lives Forever (Disc 1)
ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original | | | |
 | The Operative: No One Lives Forever (Disc 1) | PC | 1.0.0.4 | Game of the Year Edition (Covermount) | | | |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition |  | S0025037 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | S0025036 | |
 | The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original |    | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| The Operational Art of War: Century of Warfare | PC | | Original | | | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDUS00 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original |  | MOFRCDEU00 | |
 | Operation Flashpoint: Holodnaja vojna
Операция Flashpoint: Холодная война | PC | 1.46 | Original |  | | |
 | Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original, Gold Edition | | MOFUCDEU00, MOFUCDUS00 | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original | | MOFUCDUS00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDUS00 | |
 | Operation Flashpoint: Cold War Crisis | PC | | The Games Collection | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| Operation | PC | | General Mills | | AM801R5 | |
 | Operacja Pustynny Grom / The Partners | PC | | Covermount | | | |
| Operaciya "Plastilin" (Disc 2)
Операция "Пластилин" | PC | | 1C: Kollekciya igrushek | | | |
| Operaciya "Plastilin" (Disc 1)
Операция "Пластилин" | PC | | 1C: Kollekciya igrushek | | | |
 | Open Season (Disc 3) | PC | 1.00 | Original |  | 5004904-CD 3 | |
| Open Season (Disc 2) | PC | 1.00 | Original | | 5004904-CD 2 | |
| Open Season (Disc 1) | PC | 1.00 | Original | | 5004904-CD 1 | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| Oni | PC | 1.0 | Original | | | |
| Oni
Они | PC | 1.0 | | | | |
| Oni | PC | 1.0 | Original | | | |
 | Oni
奥妮 | PC | 1.7 | Original |  | | |
| One Unit Whole Blood | PC | 1.21 | Original | | 04-16459CD1 | |
 | One Must Fall 2097
One Must Fall | PC | | Covermount | | D.L.: M-8684-97 | |
| Ominous Horizons
Ominous Horizons: A Paladin's Calling | PC | 1.0 | Original | | | |
| Omikron: The Nomad Soul (Disc 3) | PC | 1.0 | Original | | | |
| Omikron: The Nomad Soul (Disc 2) | PC | 1.0 | Original | | | |
| Omikron: The Nomad Soul (Disc 1) | PC | 1.0 | Original | | | |
| The Omega Stone: Riddle of the Sphinx II (Disc 4) | PC | 1.2.3.2 | Original | | | |
| The Omega Stone: Riddle of the Sphinx II (Disc 3) | PC | 1.2.3.2 | Original | | | |
| The Omega Stone: Riddle of the Sphinx II (Disc 2) | PC | 1.2.3.2 | Original | | | |
| The Omega Stone: Riddle of the Sphinx II (Disc 1) | PC | 1.2.3.2 | Original | | | |
 | Omar Sharif Bridge | PC | 1.0 | Original | | | |
| Olympic Soccer | PC | | CD-ROM Classic Collection 2 | | | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount |  | SELL 0103 | |
 | Oil Tycoon | PC | 1.01 | Original | | | |
| Ohio Distinctive Software Vol. I | PC | | | | | |
| Official Sega Dreamcast Magazine: Special Edition Preview PC CD-ROM | PC | | | | | |
| The Official Guide to Babylon 5
The Official Guide to J. Michael Straczynski's Babylon 5 | PC | | Original | | | |
| Official Formula 1 Racing | PC | | Original | | | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | ODY-ENCD2 | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | ODY-ENCD1 | |
| ODS Robot Challenge | PC | 5.0.1r26 | Teacher's Edition | | | |
| Odium
ōdi·um | PC | | Original | | CD-W58-1104-0 | |
| Odell Down Under | PC | | Original, SoftKey | | POD544AE-CD | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | 04-12608CD | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | IB2G-ODDG5 | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | IB2G-ODD5 | |
| Oddworld: Abe's Exoddus (Install) | PC | 2.0 | Original | | 04-15993CD1 | |
| Oddworld: Abe's Exoddus (Play) | PC | | Original | | 04-15993CD2 | |
| Oddworld: Abe's Exoddus (Installazione) | PC | 1.0 | Replay | | ABEXPCREI/A1 | |
| Oddworld: Abe's Exoddus (Gioco) | PC | 1.0 | Replay | | ABEXPCREI/A2 | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Budget, Covermount | | MMICDR 5280 | |
| Oddworld: Abe's Exoddus (Install Disc) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Original | | | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
| Obsidian (Disc 5) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 4) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 3) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 2) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 1) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 5) | PC | | Original | | | |
| Obsidian (Disc 4) | PC | | Original | | | |
| Obsidian (Disc 3) | PC | | Original | | | |
| Obsidian (Disc 2) | PC | | Original | | | |
| Obsidian (Disc 1) | PC | | Original | | | |
| Ob"ekt 69: Mest' Krassera
Объект 69: Месть Крассера | PC | | Original | | | |
| Ob"ekt 69: Kasablanka
Объект 69: Касабланка | PC | | Original | | RUSSOBIT-M 2003/408 | |
| O.D.T. | PC | | Original | | | |
| NYR: New York Race | PC | | Original |  | NYR 001 - CD, NYR 019 - CD | |
| Nuke It 1000
"NUKE IT 1000" | PC | 2.0 | Rerelease | | | |
| Nuke It
"Nuke It" | PC | 2.0 | Rerelease | | | |
| Nuclear Strike | PC | | CD-ROM Classics: Gold Edition, CD-ROM Classics: Silver Edition | | 1127307, 1170207 | |
| Nuclear Strike | PC | | Dice, Play the Games Vol. 1, Rerelease | | DMM 031853, EAG08801308D | |
| Nox (Disc 2) | PC | 1.0 | Original | | 799317 | |
| Nox (Disc 1) | PC | 1.0 | Original | | 799307 | |
| Nox | PC | | Preview CD | | | |
| Nox (Disc 2) | PC | | Green Pepper | | | |
| Nox (Disc 2) | PC | | Original, Classic | | WWG08902999D2 | |
| Nox (Disc 1) | PC | | Green Pepper | | | |
| Nox (Disc 1) | PC | | Original, Classic | | WWG08902999D1 | |
| Nox (Disc 3) (Manuals Disc) | PC | | Dice | | DCG 013269 | |
| Nox (Disc 2) | PC | 1.0 | Original, EA Classics | | WWE08902999D2 | |
| Nox (Disc 2) | PC | | Dice | | DCG 013269 | |
| Nox (Disc 1) | PC | 1.0 | Original, EA Classics | | WWE08902999D1 | |
| Nox (Disc 1) | PC | | Dice | | DCG 013269 | |
| Novye amazonki (Disc 2) (Ustanovochnyj disk)
Новые амазонки | PC | | Original | | | |
| Novye amazonki (Disc 1) (Igrovoj disk)
Новые амазонки | PC | | Original | | | |
| Novastorm | PC | 1.0 | Bundle Version OEM | | CDRS1241790 | |
| Novastorm | PC | 1.0 | Original | | NOVA PCCD | |
