| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Official PlayStation 2 Magazine Demo 49 | PS2 | 1.03 | |      | SCED-52164 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
| Official PlayStation 2 Magazine Demo 49
ops2m demo 49 | PS2 | 1.00 | | | SCED-52728 | |
 | Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52088 | |
 | Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52619 … | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52163 | |
| Official PlayStation 2 Magazine Demo 47 | PS2 | 1.01 | | | SCED-52087 | |
 | Official PlayStation 2 Magazine Demo 47
ops2m demo 47 | PS2 | 1.00 | | | SCED-52549 | |
| Official PlayStation 2 Magazine Demo 47
ops2m demo 47 | PS2 | 1.01 | | | SCED-52162 … | |
| Official PlayStation 2 Magazine Demo 46 | PS2 | 1.01 | | | SCED-52161 … | |
 | Official PlayStation 2 Magazine Demo 45
ops2m demo 45 | PS2 | 1.02 | | | SCED-52452 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.01 | | | SCED-52085 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52442 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52160 | |
| Official PlayStation 2 Magazine Demo 44
ops2m demo 44 | PS2 | 1.01 | | | SCED-52377 | |
| Official PlayStation 2 Magazine Demo 44 | PS2 | 1.01 | | | SCED-52052 … | |
| Official PlayStation 2 Magazine Demo 43
ops2m uncut edition 03/04 | PS2 | 1.00 | | | SCED-52083 | |
| Official PlayStation 2 Magazine Demo 43 | PS2 | 1.00 | | | SCED-52051 | |
| Official PlayStation 2 Magazine Demo 43 | PS2 | 1.00 | | | SCED-52354 … | |
 | Official PlayStation 2 Magazine Demo 42 | PS2 | 1.02 | | | SCED-52270 |  |
 | Official PlayStation 2 Magazine Demo 42
ops2m demo 42 | PS2 | 1.01 | | | SCED-52271 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.01 | | | SCED-52069 | |
| Official PlayStation 2 Magazine Demo 42
ops2m demo 42 | PS2 | 1.01 | | | SCED-52273 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.04 | | | SCED-51539 … | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52158 | |
| Official PlayStation 2 Magazine Demo 41
ops2m demo 41 | PS2 | 1.00 | | | SCED-52177 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52068 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52081 | |
| Official PlayStation 2 Magazine Demo 41
ops2m demo 41 | PS2 | 1.00 | | | SCED-52185 | |
| Official PlayStation 2 Magazine Demo 41
ops2m 41 | PS2 | 1.01 | | | SCED-51536 … | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-52054 | |
| Official PlayStation 2 Magazine Demo 40
ops2m demo 40 | PS2 | 1.01 | | | SCED-52053 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.00 | | | SCED-51575 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-51565 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.02 | | | SCED-51535 … | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.00 | | | SCED-52037 | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.02 | | | SCED-51540 … | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.01 | | | SCED-51935 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51573 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51538 | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.02 | | | SCED-51572 | |
| Official PlayStation 2 Magazine Demo 37
PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.00 | | | SCED-51537 | |
| Official PlayStation 2 Magazine Demo 36 | PS2 | 1.01 | | | SCED-51571 | |
| Official PlayStation 2 Magazine Demo 36 | PS2 | 1.00 | | | SCED-51534 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.02 | | | SCED-51570 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51561 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51533 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51760 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51569 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.03 | | | SCED-51560 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51532 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51568 | |
| Official PlayStation 2 Magazine Demo 33
ops2m demo 33 | PS2 | 1.03 | | | SCED-51559 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51531 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51656 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.02 | | | SCED-51567 | |
| Official PlayStation 2 Magazine Demo 32
ops2m demo 32 | PS2 | 1.00 | | | SCED-51558 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51530 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.03 | | | SCED-51566 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.02 | | | SCED-51529 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.02 | | | SCED-51556 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51552 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51483 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51489 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51457 | |
 | Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51485 … | |
| Official PlayStation 2 Magazine Demo 3 | PS2 | 1.00 | | | SCED-50067 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51432 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51440 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.01 | | | SCED-51384 … | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-51376 | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-50750 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.00 | | | SCED-51319 | |
| Official PlayStation 2 Magazine Demo 27
ops2m demo 27 | PS2 | 1.00 | | | SCED-51359 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.01 | | | SCED-50749 … | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.02 | | | SCED-50749 | |
| Official PlayStation 2 Magazine Demo 26 | PS2 | 1.00 | | | SCED-51321 | |
| Official PlayStation 2 Magazine Demo 26 | PS2 | 1.02 | | | SCED-50748 … | |
| Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-51262 | |
| Official PlayStation 2 Magazine Demo 25
ops2m demo 25 | PS2 | 1.00 | | | SCED-51279 | |
| Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-50747 … | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-51185 | |
| Official PlayStation 2 Magazine Demo 24
ops2m demo 24 | PS2 | 1.00 | | | SCED-51147 | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-50746 | |
| Official PlayStation 2 Magazine Demo 23 | PS2 | 1.10 | | | SCED-51163 | |
| Official PlayStation 2 Magazine Demo 23 | PS2 | 1.00 | | | SCED-50745 | |
| Official PlayStation 2 Magazine Demo 22/23
ops2m demo 22/23 | PS2 | 1.00 | | | SCED-51016 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.10 | | | SCED-50701 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.00 | | | SCED-50744 … | |
| Official PlayStation 2 Magazine Demo 21 | PS2 | 1.00 | | | SCED-50700 | |
| Official PlayStation 2 Magazine Demo 21 | PS2 | 1.00 | | | SCED-50742 … | |
| Official PlayStation 2 Magazine Demo 21
ops2m demo 21: euro version | PS2 | 1.00 | | | SCED-50989 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.00 | | | SCED-50699 | |
 | Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50945 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50743 | |
| Official PlayStation 2 Magazine Demo 2 | PS2 | 1.00 | | | SCED-50066 | |
| Official PlayStation 2 Magazine Demo 19 | PS2 | 1.00 | | | SCED-50154 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50698 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50825 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50153 … | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50697 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 … | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50736 | |
| Official PlayStation 2 Magazine Demo 16
OPS2M DEMO 16/FRE | PS2 | 1.00 | | | SCED-50675 | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50151 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50708 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50685 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50150 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50622 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50610 … | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50149 | |
| Official PlayStation 2 Magazine Demo 13
ops2m demo 13 | PS2 | 1.00 | | | SCED-50594 | |
| Official PlayStation 2 Magazine Demo 13
ops2m demo 13 | PS2 | 1.00 | | | SCED-50593 | |
| Official PlayStation 2 Magazine Demo 13 | PS2 | 1.00 | | | SCED-50148 | |
| Official PlayStation 2 Magazine Demo 12 | PS2 | 1.00 | | | SCED-50506 | |
| Official PlayStation 2 Magazine Demo 12
ops2m demo 12 | PS2 | 1.00 | | | SCED-50543 | |
| Official PlayStation 2 Magazine Demo 12 | PS2 | 1.00 | | | SCED-50147 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.00 | | | SCED-50460 | |
| Official PlayStation 2 Magazine Demo 11
ops2m demo 11 | PS2 | 1.00 | | | SCED-50463 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.10 | | | SCED-50146 | |
 | Official PlayStation 2 Magazine Demo 101
ops2m demo 101 eur | PS2 | 1.00 | | | SCED-55120 | |
| Official PlayStation 2 Magazine Demo 100 | PS2 | 1.00 | | | SCED-55119 | |
| Official PlayStation 2 Magazine Demo 10
ops2m demo 10 | PS2 | 1.00 | | | SCED-50404 | |
| Official PlayStation 2 Magazine Demo 10 | PS2 | 1.10 | | | SCED-50145 | |
| Official PlayStation 2 Magazine Demo 1 | PS2 | 1.00 | | | SCED-50065 | |
| Official Demo Disc Retail Edition February 02
official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 | |
 | The Official Browser of Primagames.com | PC | | | | | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time to Kill + Duke Nukem: 3D | PSX | | | | SLED-01655 | |
| Ocean/Infogrames Show Case December 1997 | PC | | | | | |
 | Ot zakata do rassveta
От заката до рассвета | PC | | 1C: Igroteka |  | | |
| Operaciya Silent Storm (Disc 2)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Operaciya Silent Storm (Disc 1)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Otverzhennye: Tajna temnoj rasy (Disc 2)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| Otverzhennye: Tajna temnoj rasy (Disc 1)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| On-Robot
Он-Робот | PC | 1.14SB | 1C: Igrushki | | | |
| O.R.B.: Orbital'nye Resursnye Bazy
О.Р.Б.: Орбитальные Ресурсные Базы | PC | 1.03 | 1C: Kollekciya igrushek | | | |
| Operaciya Silent Storm: Chasovye (Disc 2)
Операция Silent Storm: Часовые | PC | | 1С: Igroteka | | | |
| Operaciya Silent Storm: Chasovye (Disc 1)
Операция Silent Storm: Часовые | PC | | 1С: Igroteka | | | |
 | Omoi no Kakera: Close to
想いのかけら ‐Ｃｌｏｓｅ ｔｏ‐ | PS2 | 1.02 | 2800 Collection |  | SLPM 66385 | |
| Out of This World | 3DO | RE | 3DO Maniac Pack | | | |
| The Oregon Trail | WII | | 40th Anniversary Edition | | RVL-SORE-USA-B0 | |
| Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 | |
| Orbatak | 3DO | | Arcade CD-ROM | | | |
| Oddworld: Abe's Exoddus: US Manual | MAC | | Art Assets | | | |
| Oddworld: Abe's Exoddus: UK Packaging | MAC | | Art Assets | | | |
| ObsCure | PC | | Best of Atari | | | |
| Die Original Moorhuhn Jagd | PC | | Best of Moorhuhn | | | |
 | Overlord II | XBOX360 | | Beta | | CM-2058 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| OutRun 2 | XBOX | | Beta | | | |
| Ousama Monogatari
王様物語 | WII | | Beta | | | |
| Order Up! | WII | | Beta | | | |
| Onslaught | WII | | Beta | | | |
| Onimusha 2: Samurai's Destiny
鬼武者２ ＰＡＬ | PS2 | 1.00 | Beta | | SLES-50978 | |
| Ōkami | WII | | Beta | | | |
| ObsCure: The Aftermath | WII | | Beta | | | |
| Online Connection CD: For the PlayStation Game Console | PSX | | Beta Trial Version 1.0 | | LSP-150500 … | |
| Oddworld: Abe's Exoddus (Installatie Disk) | PC | 2.0 | Budget | | MMICDR 5280 | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Budget, Covermount | | MMICDR 5280 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644431 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644430 | |
| The Operative: No One Lives Forever (Disc 2) (In the Lounge with No One Lives Forever) | PC | | Bundle Version Micro-Star International OEM |  | CD-W581995-MSYZ2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | | Bundle Version Micro-Star International OEM | | CD-W581995-MSYZ1, FXX08903223D1 | |
| Oceans Below | PC | | Bundle Version OEM | | RVL 13-004-059 Rev. A / 2198610-590002 / I 083100 | |
| Okiraku TownsGEAR
お気楽 ＴｏｗｎｓＧＥＡＲ | FMT | | Bundled with Book | | SBHW-00002 | |
| Ocha no Ma Battle
お茶の間バトル | PSX | | Bundled with Controller | | SLPM 86681 | |
| Olympic Games | 3DO | | Bundled with Magazine (Demo) | | | |
| Odama
大玉 | GC | Rev 1 | Bundled with Microphone | | DL-DOL-GOOJ-JPN | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.02 | Bundled with PS2 | | PBPX 95248 … | |
 | Olympic Soccer | PC | | CD-ROM Classic Collection 2 | | | |
 | Ollo en de Reuzentomaat | PC | | CD-ROM Topper |  | | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Channelware | | 04-15303 | |
| Outburst | PC | | Classic Value Series | | Product# 99043 | |
| Outlaws (Disc 2) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disco 1) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Outlaws (Disco 2) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Overlord
BGamer 153 (Side A) | PC | | Covermount | | | |
| Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
| Original War (Disc 2) | PC | 1.02 | Covermount | | | |
| Original War (Disc 1) | PC | 1.02 | Covermount | | | |
 | Opowieści z Narnii: Książe Kaspian | PC | | Covermount |  | | |
| Oni | PC | 1.0 | Covermount | | | |
| Oni | PC | 1.0 | Covermount | | | |
| Omnia Junior 3: Il Mondo degli Animali | PC | | Covermount | | SIAE1001PA | |
| Omnia Junior 2: Storia: Attività interattive | PC | | Covermount | | SIAE 0901PA | |
| Omnia Junior 1: Enciclopedia: Dizionario | PC | | Covermount | | SIAE 08A01PA | |
| Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 | |
| Oksfordzka Encyklopedia Historii Świata. Tom II | PC | | Covermount | | SELL 0108 | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount | | SELL 0103 | |
| Oil Tycoon 2 | PC | | Covermount | | | |
| Ognisty Podmuch: Fire Captain (Disc 2) (Dysk z Grą) | PC | | Covermount | | | |
| Ognisty Podmuch: Fire Captain (Disc 1) (Dysk Instalacyjny) | PC | | Covermount | | | |
| Offensive
Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | | |
| Odium
ōdi·um | PC | | Covermount | | | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Covermount | | IB2G-ODDI5 | |
 | Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | | |
| Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | | |
| ObsCure II | PC | 1.0 | Covermount | | | |
| ObsCure | PC | 1.1 | Covermount | | | |
| O.R.B: Off-World Resource Base | PC | | Covermount | | | |
| Outward | PC | | Day One Edition | | 1024669LAINT, 103699 | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Day One Edition | | BLUS-31427 … | |
| OutRun 2 | XBOX | | Demo | | SE-057 | |
| Outlaws (Demonstration Program) | PC | Demo 1.0 CD Build 3 | Demo | | 644230 | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
 | Open Season
Boog & Elliot | PC | 1.0 | Demo |    | | |
| Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 | |
| Oni / 4x4 Evo
Oni / 4x4 Evolution | PC | | Demo | | 12DC1-09GM03-11 | |
| One Must Fall 2097 | PC | 1.1 | Demo | | | |
| One | PSX | | Demo | | SLED-01170 | |
| Omgaan met Steriele Medische Hulpmiddelen | CDI | | Demo | | | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLUS-90004 | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLED-00725 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time To Kill + B-Movie | PSX | | Demo | | SLED-01608 | |
| Obsidian | PC | 1.0 | Demo | | | |
| Obbligato (Taikenban CD-ROM)
オブリガート 体験版CD-ROM | PC | | Demo | | | |
| O.D.T. | PSX | | Demo | | SLUS-90043 | |
| O.D.T. | PSX | | Demo | | SLED-01575 | |
| O.D.T. | PSX | | Demo | | SLED-01574 | |
| One Must Fall 2097 | PC | | Demo: JukeBox Collection | | | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| O.D.T. | PC | | Dice | | DCG 005509 | |
| Operator's Side
オペレーターズ・サイド | PS2 | 1.02 | Doukonban, Doukonban: PlayStation 2 the Best | | SCPS 15038 … | |
| The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD | |
| Oxide
Oxyde | PC | | Dynamite | | DE-006 | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD | |
| Oil Tycoon 2
Oil Tycoon 2: Il Ritorno di una Leggenda | PC | | EXA Games | | EXAG020 | |
| OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| Onmyou Taisenki: Byakko Enbu
陰陽大戦記 白虎演舞 | PS2 | 1.01 | EyeToy Camera Doukonban | | SLPS 20416 | |
| OIO: The Game: Enlarged | PC | | F*ckn' Best of Independent Games: Collection Vol. 1 | | | |
| Obrońca | PC | | FajnaGra.pl | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | | |
| 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 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| 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 (Xplosiv) | | EI-1685-2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (Xplosiv) | | EI-1685-1 | |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition, Game of the Year Edition (BestSeller Series), Game of the Year Edition (Covermount) | | JCPL11, S0026179, S0026696 | |
| Overwatch | PC | | Game of the Year Edition, Legendary Edition | | 73052010US, S7302210 | |
| Oxyd Magnum! Gold Edition | PC | | Game-Pack 3 | | 80227 | |
| OutRun 2006: Coast 2 Coast | PC | | Gamer's Choice | | THQ70690 | |
| Operation | PC | | General Mills | | AM801R5 | |
| Operation | PC | | General Mills | | AM0703R71 | |
 | Operation | PC | | General Mills | | | |
| Ouran Koukou Host Club
桜蘭高校ホスト部 | PS2 | 1.01 | Genteiban | | SLPM 66737 | |
| Ougon Kishi Garo
黄金騎士 牙狼 | PS2 | 1.01 | Genteiban | | SLPS 20462 | |
| O.G.A Onigokko Royal: Hunter wa Field de Koi o Suru
Ｏ＊Ｇ＊Ａ 鬼ごっこロワイアル ハンターは孤島（フィールド）で恋をする | PSP | 1.01 | Genteiban | | ULJM 06298 | |
| Orion Burger | PC | | Gold Games 2 (CD 11) | | SPI 046 | |
| Oscar | PC | | Golden Zone | | | |
| Oddworld: Abe's Oddysee | PSX | Rev 2 | Greatest Hits | | SLUS-00190 | |
| OutRun 2006: Coast 2 Coast | PC | | GSP White Label: Reload | | 1673A | |
| Over Drivin' DX: Rally Edition
オーバードライビンＤＸ ラリーエディション | PSX | | Hibaihin | | SLPM 80032 | |
| Oilman
オイルマン | 3DO | | Hibaihin | | OIL-9610 | |
| Odo Odo Oddity
おどおど おっでぃ | PSX | | Hibaihin | | SLPM 80075 | |
| Option: Tuning Car Battle
Ｏｐｔｉｏｎ チューニングカーバトル | PSX | | Highlight-ban | | SLPM 80203 | |
| One Step Beyond | PC | | Hit Squad: Regenerator | | | |
| One Two Smash: Tanoshii Tennis
ワン・ツー スマッシュ たのしいテニス | PSX | | Honkakuha de 1300 | | SLPS 02585 | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| Order of War: Stolknovenie
Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | | |
| Order of War: Osvobozhdenie
Order of War: Освобождение | PC | | Igromaniya: Vybor redakcii | | | |
| Owlboy (Game Disc) | PC | 0.0.6152.604 | IndieBox | | | |
| Oscar | PC | | Jackson Libri | | | |
| Otona no Gal-jong: Kimi ni Haneman!
おとなのギャル雀 ～きみにハネ満！～ | PS2 | 1.03 | Jaleco the Best | | SLPM 62549 | |
| Operation Flashpoint: Red River | PC | | Kakaku Kaiteihan | | FBG028W000A10 | |
| Off-World Interceptor Extreme
オフワールド・インターセプター エクストリーム | SS | 1.000 | Ketteiban | | T-15901G | |
| Obduction | PC | 1.4.2 | Kickstarter | | | |
| Obduction | MAC | | Kickstarter | | | |
| Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 | |
| Olympic Soccer | PC | | Kixx | | | |
 | Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| Ore no Imouto Maker EX: Imouto to Koishiyo Portable
俺の妹めいかあＥＸ いもうとと恋しよっ ぽ～たぶる | PSP | 1.01 | Limited Edition | | ULJS 00357 | |
| Oha Suta Produce! Gentei Collabo Game Disc!!
おはスタプロデュース！限定コラボゲームディスク！！ | WII | | Limited Edition | | RVL-DCHJ-JPN | |
| Oddworld: Abe's Oddysee: New 'n' Tasty! | PS3 | 01.00 | Limited Edition |  | BLUS-31621 | |
| Oddworld: Abe's Origins | PC | | Limited Run Games | | | |
| Outcast (Disc 3) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A3 | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Outcast (Disc 1) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A1 | |
| Otome-teki Koi Kakumei: Love Revo!!
乙女的恋革命★ラブレボ！！ | PS2 | 1.03 | Love Revo Box | | SLPM 66237 | |
| Outlaws (Disco 1) | PC | 1.0 | LucasArts Classic | | 41175.101.IT | |
| Outlaws (Disco 2) | PC | 1.0 | LucasArts Classic | | 41175.102.IT | |
| Outlaws (Disc 2) | PC | 2.0 | LucasArts Classics | | 3000009.102.UK | |
| Outlaws (Disc 1) | PC | 2.0 | LucasArts Classics | | 3000009.101.UK | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| The Operative: No One Lives Forever (Disc 1) (Game Disc) | MAC | 1.004 | MacPlay | | | |
| OverBlood
オーバーブラッド | PSX | | Major Wave | | SLPM 86641 | |
| The Oni Taiji!!: Mezase! Nidaime Momotarou
Ｔｈｅ鬼退治！！ 目指せ！二代目桃太郎 | PSX | | Major Wave | | SLPM 86989 | |
| Ostrich Runner | PC | | Microforum | | | |
| One Piece: Unlimited Cruise: Episode 1: Nami ni Yureru Hihou
ワンピース アンリミテッドクルーズ エピソード1 波に揺れる秘宝 | WII | Rev 1 | Minna no Osusume Selection | | RVL-ROUJ-JPN-B0 | |
| One Piece: Pirates Carnival
ワンピース パイレーツカーニバル | PS2 | 1.01 | Multi Tap (SCPH-10090) Doukonban | | SLPS 25583 | |
| One Piece: Pirates Carnival
ワンピース パイレーツカーニバル | PS2 | 1.01 | Multi Tap (SCPH-70120) Doukonban | | SLPS 25584 | |
| Otona no Asobi
おとなの遊び | PSX | | Nichibutsu Collection 2000 | | SLPS 02459 | |
| OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | | |
| OMSI Add-on: Wien: Der Hochflurbus LU 200 | PC | 1.0 | OMSI Bundle | | | |
| OnHand Sports Games / Sega Swirl Lite | PALM | PDA105-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA105-01 | |
| OnHand Complete Astrologer
OnHand Complete Astrologer: Horoscopes & More! | PALM | PDA108-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA108-01 | |
| Ozzie's World | PC | | Original | | | |
| Ozzie's World
オジィーズワールド | PC | | Original | | ASOW-71110 | |
| Ozawa-Ken+ | PC | | Original | | | |
| Oz: The Magical Adventure | PC | | Original | | | |
| Oz no Mahoutsukai: Another World: Rung Rung
オズの魔法使い ～Ａｎｏｔｈｅｒ Ｗｏｒｌｄ～ ルングルング | PSX | | Original | | SLPS 02335 | |
 | Oyunlarla Dil Bilgisi Oyunlarla Matematik | PC | | Original |  | | |
| Oynayarak Ogreniyorum 1
Oynayarak Öğreniyorum 1 | PC | | Original | | | |
| Oyako Entertainment Series: TV Kamishibai Vol. 1
親子エンタテインメントシリーズ ～てれび紙芝居Ｖｏｌ．１～ | PSX | | Original | | SLPM 86393 | |
| Oyako de Asobo: Miffy no Omochabako
おやこ で あそぼ ミッフィーの おもちゃばこ | WII | | Original | | RVL-R3UJ-JPN-B0 | |
| Oyaji no Jikan: Nee-chan Tsuri Iku de!
おやじの時間 ね～ちゃん釣り行くで！ | PSX | | Original | | SLPS 02590 | |
| Oyaji no Jikan: Nee-chan Hanafuda de Shoubu ya!
おやじの時間 ~ねーちゃん花札で勝負や!~ | PSX | | Original | | SLPS 02591 | |
| The Oxfordshire Golf Club | PC | | Original | | EAE05101006D | |
| De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 | |
| OverTop
オーバートップ | NGCD | | Original | | ADCD-011 | |
| Overlord: Raising Hell | PS3 | 01.00 | Original | | BLUS-30143 | |
| Overlord: Raising Hell | PC | 1.3 | Original | | | |
| Overlord: Raising Hell | PC | 1.3 | Original | | MOVLRCDEU00 | |
| Overlord: Raising Hell | PS3 | 01.00 | Original | | BLES-00257 | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR | |
| Overlord II | XBOX360 | | Original | | CM-2057 | |
| Overlord II | PC | 1.0 | Original | | MOVL2CDUS00 | |
| Overlord II | PS3 | 01.01 | Original | | BLUS-30317 | |
| Overlord II | PC | | Original | | | |
| Overlord II | PS3 | 01.02 | Original | | BLES-00580 | |
| Overlord II | PC | | Original | | MOVL2CDEU00 | |
| Overlord | XBOX360 | | Original | | CM-2005 | |
| Overlord | PC | 1.0 | Original | | MOVL1CDFC00 | |
| Overlord | PC | 1.2 | Original | | | |
| Overlord | PC | 1.2 | Original | | MOVL1CDPL00 (DVD), POVL1CDPL03 (Box) | |
| Overlord | PC | | Original | | MOVL1CDEU00 | |
| Overkill & Lunar-C | CD32 | | Original | | /DP130002 | |
| Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | | |
| Overboard! | PC | | Original | | | |
| OverBlood 2 (Disc 2)
オーバーブラッド２ | PSX | | Original | | SLPS 01262 | |
| OverBlood 2 (Disc 1)
オーバーブラッド２ | PSX | | Original | | SLPS 01261 | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11880 | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01880 | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-12187 … | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-02187 … | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-11879 … | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11879 | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-01879 … | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01879 | |
| OverBlood | PSX | | Original | | SLUS-00464 | |
| OverBlood | PSX | | Original | | SLES-00770 | |
| OverBlood | PSX | | Original | | SLES-00769 | |
| OverBlood | PSX | | Original | | SLES-00768 | |
| Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 | |
| Over G: Energy Airforce | XBOX360 | | Original | | TI-2001 | |
| Over G Fighters | XBOX360 | | Original | | TI-2001 | |
| Over Drivin' IV
オーバードライビンⅣ | PSX | | Original | | SLPS 02099 | |
| Over Drivin' III: Hot Pursuit
オーバードライビンⅢ | PSX | | Original | | SLPS 01593 | |
| Over Drivin' II
オーバードライビンⅡ | PSX | | Original | | SLPS 00895 | |
| Over Drivin' DX
オーバードライビンＤＸ | PSX | | Original | | SLPS 00327 | |
| Over 350 Solitaire Games | PC | | Original | | | |
| Over 350 Jigsaw Puzzles | PC | | Original | | 012163 | |
| Over 200 Programs for Windows
STG Computers LTD Windows Extra CD-ROM | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games: Volume II (Disc 2)
Over 1000 Games Volume 2 | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games: Volume II (Disc 1)
Over 1000 Games Volume 2 | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games (Disc 2) | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games (Disc 1) | PC | | Original | | | |
| Ovech'i bega
Овечьи бега | PC | 1.0 | Original | | | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14040 DE | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14039 DE | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Outtrigger | DC | 1.003 | Original | | 51102 | |
| Outtrigger
アウトトリガー | DC | 1.008 | Original | | HDR-0118 | |
| Outtrigger | DC | 1.001 | Original | | MK-51102-50 | |
| OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | |
| OutRun 2006: Coast 2 Coast (Disc 2) | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast (Disc 1) | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast | PSP | 1.03 | Original | | ULUS-10064 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
 | OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.02 | Original | | SLES-53998 | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| OutRun 2 | CHIHIRO | 2.000 | Original | | GDX-0004A | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| Outrage | PC | | Original | | | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| Outpost 2: Divided Destiny | PC | 1.0 | Original | | S0011246 | |
| Outpost | PC | | Original | | S725430 | |
| Outpost | PC | | Original | | S 390121012ZZZ | |
| Outpost | PC | | Original | | S390021012ZZ2 | |
| Outlive | PC | 1.01 | Original | | | |
| Outlive | PC | 1.01 | Original | | | |
| Outlaws: Die Gesetzlosen (Disc 2) | PC | 1.1.1 | Original | | | |
| Outlaws: Die Gesetzlosen (Disc 1) | PC | 1.1.1 | Original | | | |
 | Outlaws: Cidade Sem Lei (Disc 2) | PC | 2.0 | Original | | 0806.06.0 | |
| Outlaws: Cidade Sem Lei (Disc 1) | PC | 2.0 | Original | | 0806.05.0 | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Original | | 9511831 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Original | | 9511830 | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | | |
| Outlaws (Disc 2) | PC | | Original | | | |
| Outlaws (Disc 1) | PC | | Original | | | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | 9511831 | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | 9511830 | |
| Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball Remixed | PS2 | 1.02 | Original | | SLUS 21049 | |
| Outlaw Volleyball Remixed | PS2 | 1.01 | Original | | SLES-53138 … | |
| Outlaw Volleyball | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball
아웃로 발리볼 | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball | PS2 | 1.01 | Original | | SLES-52259 | |
| Outlaw Volleyball | XBOX | | Original | | SS-007 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLUS 21190 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLES-53490 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Golf: Holiday Golf | XBOX | | Original | | SS-005 | |
| Outlaw Golf: 9 More Holes of X-Mas | XBOX | | Original | | SS-006 | |
| Outlaw Golf: 9 Holes of X-Mas | XBOX | | Original | | VU-027 | |
| Outlaw Golf 2 | PS2 | 1.02 | Original | | SLUS 21030 | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| Outlaw Golf 2 | PS2 | 1.01 | Original | | SLES-52965 | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| Outlaw Golf | XBOX | | Original | | VU-016 | |
| Outlaw Golf | GC | | Original | | DL-DOL-GOFE-USA | |
| Outlaw Golf | PS2 | 1.01 | Original | | SLES-51926 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Outlaw Golf | GC | | Original | | DL-DOL-GOFP-EUR-01 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Outlaw Golf | PC | | Original | | RM-OUTGOLF-UK | |
| Outlast: A Reading for Information Game | PC | | Original | | HH824 | |
| The Outforce | PC | 1.0.0.0 | Original | | | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| Outer World
アウター・ワールド | 3DO | | Original | | FZ-SJ3451 | |
| Outer Ridge | PC | 1.0 | Original | | SPI004 | |
| Outdoor Wander Land
アウトドアワンダーランド | MAC | | Original | | ILL-940715 | |
| Outdoor Action Double Pack
Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 | |
| Outcry (Disc 2)
Outcry: The Dawn | PC | Version DPV 1.0 | Original | | PCO596CD | |
| Outcry (Disc 1)
Outcry: The Dawn | PC | Version DPV 1.0 | Original | | PCO596CD | |
| Outcast (Disc 2) | PC | | Original | | 42831-9110TC | |
| Outcast (Disc 1) | PC | | Original | | 42831-9110TC | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 | |
| Outcast (Disc 2) | PC | | Original | | OUTCAPC52G/A2 | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52G/A1 | |
| Outcast | PC | | Original | | | |
| Outbreaker | PC | | Original | | | |
| Out of This World | 3DO | | Original | | | |
| Out Live: Be Eliminate Yesterday
アウトライブ Ｂｅ Ｅｌｉｍｉｎａｔｅ Ｙｅｓｔｅｒｄａｙ | PSX | | Original | | SLPS 00746 | |
| Ousama Monogatari
王様物語 | WII | | Original | | RVL-RO3J-JPN-B0 | |
| Ousama Game (Disc 2) (Momo Disc)
王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Ousama Game (Disc 1) (Ichigo Disc)
王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Ouro e Glória: O Caminho para El Dorado | PC | | Original | | 906.02.0 | |
| Ouran Koukou Host Club
桜蘭高校ホスト部 | PS2 | 1.01 | Original | | SLPM 66738 | |
| Our Worst Fears: Die Blumen des Todes | PC | | Original | | | |
| Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 | |
| Our House featuring The Family Circus | VIS | | Original | | 25-6146 | |
| Our Graduation: Mahjong de Pon! Hanafuda de Koi! (Disc 2) (Hanafuda de Koi!)
アワー グラデュエーション ～麻雀でポン 花札でコイ～ | PSX | | Original | | SLPS 02577 | |
| Our Graduation: Mahjong de Pon! Hanafuda de Koi! (Disc 1) (Mahjong de Pon!)
アワー グラデュエーション ～麻雀でポン 花札でコイ～ | PSX | | Original | | SLPS 02576 | |
| Oumagatoki 2
逢魔が時２ | PSX | | Original | | SLPS 03272 | |
| Oukoku no Grand Chef
王国のグランシェフ | 3DO | | Original | | FZ-SJ4252 | |
| Ouka: Kokoro Kagayakaseru Sakura
桜華 ～心輝かせる桜～ | PS2 | 1.01 | Original | | SLPM 66406 | |
| Ouka Houshin: Ouka Sakishi Toki
央華封神 ～央華咲きし刻～ | DC | 1.003 | Original | | T-38704M | |
| Oujisama Lv1.5: Oujisama no Tamago
王子さまＬｖ１．５ ～王子さまのたまご～ | PSX | | Original | | SLPS 03534 | |
| Oujisama Lv1
王子さまLv1 | PSX | | Original | | SLPS 03412 | |
| Oujisama Lv1
王子さまＬｖ１ | PC | | Original | | | |
| Ougon no Kizuna
黄金の絆 | WII | | Original | | RVL-RK7J-JPN | |
| Ougon Musou Kyoku X
黄金夢想曲X | XBOX360 | | Original | | AJ-2003 | |
| Ougon Musou Kyoku Cross
黄金夢想曲 ＣＲＯＳＳ | PC | 2.00 | Original | | | |
| Ougon Kishi Garo
黄金騎士 牙狼 | PS2 | 1.01 | Original | | SLPS 20463 | |
| Oudou Yuusha
王道勇者 | PC | | Original | | ALS-0029 | |
| Oudou Aniki
王道兄貴 | PC | 1.20b | Original | | | |
| Otto's Ottifanten | PC | | Original | | | |
| Otto Bock: Orthopädische Industrie: Neuheiten Vol. 2: Stand Januar 1997 | CDI | | Original | | | |
| Otousan no Tame no Tsuri: Fly Fishing-hen
お父さんのための釣り フライ フィッシング編 | PC | | Original | | TFF-058-1 | |
| Otousan no Tame no Hanafuda Tenkomori
お父さんのための花札 てんこもり | PC | | Original | | THT-063 | |
| Otostaz
오토스타츠 | PS2 | 1.01 | Original |  | SCPS 56004 | |
| Otostaz
オトスタツ | PS2 | 1.00 | Original | | SCPS 11024 | |
 | Otostaz
蓋蓋樂 | PS2 | 1.00 | Original |  | SCPS 55023 | |
| Otorva v shkole
Оторва в школе | PC | | Original | | | |
| Otona no Gal-jong 2: Koishite Bai Man!
おとなのギャル雀２ 恋して倍満！ | PS2 | 1.01 | Original | | SLPM 66194 | |
| Otomedius Gorgeous!
オトメディウス ゴージャス! | XBOX360 | | Original | | KN-2030 | |
| Otomedius Excellent!
オトメディウスＸ（エクセレント！） | XBOX360 | | Original | | KN-2074 | |
| Otomedius Excellent | XBOX360 | | Original | | KN-2106 | |
| Otomedius (System Disc)
オトメディウス | KEA | JAA | Original | | GGGJAA01 | |
| Otomedius (Application Disc 1)
オトメディウス | KEA | JAA | Original | | GGGJAA02 | |
| Otomedius (Application Disc 2)
オトメディウス | KEA | JAA | Original | | GGGJAA03 | |
| Otome wa Oanesama Boku ni Koi Shiteru Portable
乙女はお姉さまに恋してる Ｐｏｒｔａｂｌｅ | PSP | 1.02 | Original | | ULJM 05647 | |
| Otome wa Boku ni Koishiteru
乙女はお姉さまに恋してる | PS2 | 1.05 | Original | | SLPM 66165 | |
| Otome no Jijou
乙女の事情 | PS2 | 1.01 | Original | | SLPM 66508 | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi Story: Tenshi no Shippo
おとぎストーリー ～天使のしっぽ～ | PSX | | Original | | SLPS 03531 | |
