| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Open Season (Disc 3) | PC | 1.00 | Original |     | 5004904-CD 3 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
| Open Season (Disc 2) | PC | 1.00 | Original | | 5004904-CD 2 | |
 | Open Season (Disc 1) | PC | 1.00 | Original | | 5004904-CD 1 | |
 | Oni | PC | 1.0 | Original | | | |
| 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 |  | | |
 | 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-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 (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 | |
| NYR: New York Race | PC | | Original |  | NYR 001 - CD, NYR 019 - CD | |
| Nuke It
"Nuke It" | PC | 2.0 | Rerelease | | | |
| Nuclear Strike | PC | | CD-ROM Classics: Gold Edition, CD-ROM Classics: Silver Edition | | 1127307, 1170207 | |
| Nox (Disc 2) | PC | 1.0 | Original | | 799317 | |
| Nox (Disc 1) | PC | 1.0 | Original | | 799307 | |
| Nox | PC | | Preview CD | | | |
| 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 | |
| Novastorm | PC | 1.0 | Bundle Version OEM | | CDRS1241790 | |
| Novastorm | PC | 1.0 | Original | | NOVA PCCD | |
| Novastorm | PC | 1.0 | Megapak 3 | | | |
 | Novalogic Presents the World of Combat | PC | | Original | | | |
| North & South | PC | | Green Pepper | | | |
| Norse by Norsewest: The Return of the Lost Vikings
Norse by Norse West: The Return of the Lost Vikings | PC | 1.0c | Original | | CD-H95-365-0 | |
| Normality | PC | | Original | | CD-ICD-195-0 | |
| Normality | PC | 1.0 (UK) | Original | | | |
| The Nomad Soul (Disc 3) | PC | 1.0 | Original | | | |
| The Nomad Soul (Disc 2) | PC | 1.0 | Original | | | |
| The Nomad Soul (Disc 1) | PC | 1.0 | Original | | | |
 | Nocturne (Disc 2)
ノクターン | PC | 1.00.47 | Original, BIS Collezione CD-ROM, Rerelease |  | | |
| Nocturne (Disc 1)
ノクターン | PC | 1.00.47 | Original, BIS Collezione CD-ROM, Rerelease | | | |
| Nocturne (Disc 2) | PC | 1.00.52 | Original | | | |
| Nocturne (Disc 1) | PC | 1.00.52 | Original | | | |
| Nocturne (Disc 2) | PC | 1.00.47 | Original | | NOCT/CDCRYST/EFGSI | |
| Nocturne (Disc 1) | PC | 1.00.47 | Original | | NOCT/CDCRYST/EFGSI | |
| Noctropolis | PC | 1.0 | Original | | 7197 | |
| Noctropolis | PC | | CD-ROM Classics: Gold Edition | | 5732 | |
| No Respect | PC | | Original | | NRES7CD1ML | |
 | No One Lives Forever 2: Szpieg na tropie ugrupowania H.A.R.M (Disc 2)
No One Lives Forever 2: A Spy in H.A.R.M.'s Way | PC | | BestSeller Series | | S0026986 | |
| No One Lives Forever 2: Szpieg na tropie ugrupowania H.A.R.M (Disc 1)
No One Lives Forever 2: A Spy in H.A.R.M.'s Way | PC | | BestSeller Series | | S0026985 | |
| No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Disc 2) | PC | 1.0 | Original | | | |
| No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Disc 1) | PC | 1.0 | Original | | | |
| No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Disc 2) | PC | 1.0 | Original | | S0026986 | |
| No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Disc 1) | PC | 1.0 | Original | | S0026985 | |
| Nitro Family | PC | 1.0 | Original | | P/N 10319 | |
| Nintendo Wi-Fi USB Connector | PC | 1.05 | Original |      | M863-21292, NTR-A-CD-4 | |
| Nintendo Wi-Fi USB Connector | PC | 1.04 | Original | | M863-21154, NTR-A-CD-3 | |
| Nintendo Holiday 2009 Brochure | PC | | Press Kit | | | |
| Nintendo GameCube Preview CD-ROM: PC Demo Disk | PC | | Original | | | |
| Nintendo GameCube Preview CD-ROM: PC Demo Disk | PC | | Original | | | |
 | Nintendo GameCube Exclusive Australian Launch CD | PC | | Original | | | |
 | Nintendo E3 Blowout! | PC | | Promo | | | |
| Nihilist | PC | | Original | | Catalog No. 310691145-2 | |
| NightStone | PC | 1.2.0.0 | Original | | CD-W95-V064-M16 | |
| Nightmare Creatures | PC | | Original | | 1000155.101.US | |
| Nightmare Creatures | PC | | Original | | 1000155.101.UK | |
| Nightlong: Union City Conspiracy (Disc 3) | PC | | Original | | MP 193 495 DO3R | |
| Nightlong: Union City Conspiracy (Disc 2) | PC | | Original | | MP 193 495 DO2R | |
| Nightlong: Union City Conspiracy (Disc 1) | PC | | Original | | MP 193 495 DO1R | |
| Nightfall Mysteries: Fright Pack | PC | 1.0 | Original | | 02-1658-10 | |
| Nicktoons Racing | PC | 1.0 | Rerelease | | Part # 22447CD, Product # 99607 | |
| Nickelodeon Toon Twister 3-D | PC | | Original | | P/N CDR 9-65123-9 | |
| Nickelodeon The Wild Thornberrys: Rambler | PC | | Focus Essential, PC Fun Club | | ESS590, PFC025/D | |
| Nickelodeon The Adventures of Jimmy Neutron: Boy Genius vs. Jimmy Negatron | PC | 5.0.0.1 | Original, Games Just For Boys, 2nd Edition | | 33001-CD1 | |
| Nickelodeon SpongeBob SquarePants: Operation Krabby Patty | PC | | Rerelease | | | |
| Nickelodeon SpongeBob SquarePants: Operation Krabby Patty | PC | | Scholastic | | WP 3, WP 6 | |
