| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Normality | PC | | Original |  | CD-ICD-195-0 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
 | North vs. South: The Great American Civil War | PC | 1.0 | Covermount | | |  |
| Nostradamus: The Last Prophecy | PC | 1.0 | Original | | 16730-DVD v1.0 S | |
 | Novalogic Presents the World of Combat | PC | | Original | | | |
 | Nox (Disc 1) | PC | 1.0 | Original, EA Classics | | WWE08902999D1 | |
| Nox (Disc 2) | PC | 1.0 | Original, EA Classics | | WWE08902999D2 | |
| Nox | PC | | Preview CD | | | |
| Nox (Disc 1) | PC | 1.0 | Original | | 799307 | |
| Nox (Disc 2) | PC | 1.0 | Original | | 799317 | |
| NRA Varmint Hunter | PC | 1.0 | Special 2-Game Package | | | |
| Nuclear Strike | PC | | Original | | EAE08801308D | |
| Nuclear Strike | PC | | CD-ROM Classics: Gold Edition, CD-ROM Classics: Silver Edition | | 1127307, 1170207 | |
| Nuclear Throne | PC | 1.0 | GameTrust Collection (Collector's Edition) | | | |
| Nuke It
"Nuke It" | PC | 2.0 | Rerelease | | | |
| Number Munchers | PC | | SoftKey | | PNM944BE-CD | |
| Numbers Undercover | PC | 1.3h | Scholastic Clubs and Fairs | | DP1 | |
 | Numbers Up! 2: Baggin' the Dragon: Measurement Space Algebra Data | PC | 1.2 | Original | | | |
 | Numbers Up! Baggin' the Dragon | PC | 2.0.0 | Home Edition (Southwestern Advantage School Set) | | 901002-CD | |
| Numbers Up! Volcanic Panic: The Number Strand | PC | 1.1 | Original | | | |
| Numbers Up! Volcanic Panic: The Number Strand | PC | 1.2.1 | Original | | | |
| Numbershark 3 | PC | 3.07 | Original | | | |
| The Nun Massacre
Night of the Nun: A Sacrament of Horror | PC | 1.1 | Original | | PCV-002 | |
| O.D.T. | PC | | Dice | | DCG 005509 | |
| Obscure (Disc 1)
ObsCure | PC | 1.0 | Original | | PCO457CD | |
| Obscure (Disc 2)
ObsCure | PC | 1.0 | Original | | PCO457CD | |
| Obscure (Disc 3)
ObsCure | PC | 1.0 | Original | | PCO457CD | |
| Obscure (Disc 4)
ObsCure | PC | 1.0 | Original | | PCO457CD | |
| Obscure (Disc 5)
ObsCure | PC | 1.0 | Original | | PCO457CD | |
 | Obscure II
ObsCure II | PC | 1.0 | Covermount | | | |
 | Obsidian (Disc 1)
オブシディアン | PC | | Original | | INR-1003 | |
| Obsidian (Disc 2)
オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian (Disc 3)
オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian (Disc 4)
オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian (Disc 5)
オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian | PC | 1.0 | Demo | | | |
| Obsidian (Disc 1) | PC | | Original | | 11008 | |
| Obsidian (Disc 1) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 2) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 3) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 4) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 5) | PC | | Original | | 11008 | |
| Obsidian (Disc 5) | PC | | Original, Complimentary Copy | | 11008 | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
 | Oddworld: Abe's Exoddus (Instalar) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (Jugar) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Budget, Covermount | | MMICDR 5280 | |
 | Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | | |
| Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | | |
| Oddworld: Abe's Exoddus (Play) | PC | | Original | | 04-15993CD2 | |
| Oddworld: Abe's Exoddus (Install) | PC | 2.0 | Original | | 04-15993CD1 | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | 04-12608CD | |
| Oddworld: Abe's Origins | PC | | Limited Run Games | | | |
| Odell Down Under | PC | | Original, SoftKey | | POD544AE-CD | |
| Odium
ōdi·um | PC | | Original | | CD-W58-1104-0 | |
| ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Amazing Art Corner | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Robot Challenge | PC | | Original | | | |
| ODS Robot Challenge | PC | 5.0.1r26 | Teacher's Edition | | | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | | |
| Of Light and Darkness: The Prophecy (Disc 1) | PC | | Original | | CD-W95-166-E | |
| Of Light and Darkness: The Prophecy (Disc 2) | PC | | Original | | CD-W95-166-E | |
| Of Light and Darkness: The Prophecy (Disc 3) | PC | | Original | | CD-W95-166-E | |
| Of Light and Darkness: The Prophecy (Disc 1) | PC | | Original | | CD-C95-166-0 | |
| Of Light and Darkness: The Prophecy (Disc 2) | PC | | Original | | CD-C95-166-1 | |
| Of Light and Darkness: The Prophecy (Disc 3) | PC | | Original | | CD-C95-166-2 | |
| Of Light and Darkness: The Prophecy: Premonitions Disk | PC | | | | CD-C95-166-DM | |
| The Official Guide to Babylon 5
The Official Guide to J. Michael Straczynski's Babylon 5 | PC | | Original | | | |
| The Official Guide to The Daedalus Encounter: Companion Disc | PC | | Original | | | |
| Official Sega Dreamcast Magazine: Special Edition Preview PC CD-ROM | PC | | | | | |
| Ohio Distinctive Software Vol. I | PC | | | | | |
| Oil Tycoon | PC | 1.01 | Original | | | |
| Old El Paso Recipes for Family Fun | PC | | Original | | | |
| Olympic Games: Atlanta 1996 | PC | | Original | | | |
 | Omar Sharif Bridge | PC | 1.0 | Original | | | |
| Omar Sharif on Bridge | PC | | Valueware | | CD-ICD-148-0 | |
| OMG! High School | PC | | Original | | | |
| Omikron: The Nomad Soul (Disc 1) | PC | 1.0 | Original | | | |
| Omikron: The Nomad Soul (Disc 2) | PC | 1.0 | Original | | | |
| Omikron: The Nomad Soul (Disc 3) | PC | 1.0 | Original | | | |
| On the Ball: League Edition | PC | 1.0 | Original | | | |
| ON! DVD: On!ine Powerpak: Special Issue 1 | PC | | Original | | 123490 | |
| Once Upon a Forest | PC | | Original | | SANCFOR113094 | |
| Once Upon a Knight (Disc 1) | PC | | Original | | Part # 25196CD1 | |
| Once Upon a Knight (Disc 2) | PC | | Original | | Part # 25196CD2 | |
| One Must Fall 2097 | PC | | Original | | EPOMF01 | |
| One Unit Whole Blood | PC | 1.21 | Original | | 04-16459CD1 | |
| Oni | PC | 1.0 | Original | | | |
| Oni / 4x4 Evo
Oni / 4x4 Evolution | PC | | Demo | | 12DC1-09GM03-11 | |
| Operation | PC | | General Mills | | AM801R5 | |
| Operation Blockade | PC | | Original | | 04-23965CD | |
| Operation Body Count: One Level Preview | PC | | Original | | | |
| Operation Combat II | PC | 1.0 | Action CD-ROM 5 Pak | | | |
| Operation Flashpoint: Cold War Crisis | PC | | Playable Demo | | POPFCDUS40 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDUS00 | |
| Operation Mania | PC | 1.0.5.64r | Original | | 1912507 | |
| Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD | |
