| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Official U.S. PlayStation Magazine Demo Disc 96 | PS2 | 1.00 | |  | SCUS 97448 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
| Official U.S. PlayStation Magazine Demo Disc 97 | PS2 | 1.00 | | | SCUS 97449 | |
| Official U.S. PlayStation Magazine Demo Disc 98 | PS2 | 1.01 | | | SCUS 97450 | |
| Official U.S. PlayStation Magazine Demo Disc 99 | PS2 | 1.00 | | | SCUS 97451 | |
 | Official UK PlayStation Best Games Ever! | PSX | | | | SCED-03408 |  |
| The Official Xbox 50 Best Games
20 Games to Play | XBOX | | | | IM-001 | |
| Official Xbox Magazine Game Disc 54e
Final Fantasy XI: Online | XBOX360 | | | | SQ-2002 | |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 100 | XBOX360 | | | | IM-2146 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 101 | XBOX360 | | | | IM-2147 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 103 | XBOX360 | | | | IM-2149 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 104 | XBOX360 | | | | IM-2150 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 105 | XBOX360 | | | | IM-2151 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 106 | XBOX360 | | | | IM-2152 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 107 | XBOX360 | | | | IM-2153 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 108 | XBOX360 | | | | IM-2154 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 109 | XBOX360 | | | | IM-2155 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 110 | XBOX360 | | | | IM-2156 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 111 | XBOX360 | | | | IM-2157 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 112 | XBOX360 | | | | IM-2159 | |
 | Oh!PC 1998-nen 10-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 １０月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9810 | |
| Oh!PC 1998-nen 11-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 １１月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9811 | |
| Oh!PC 1998-nen 8-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 ８月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9808 | |
| Oh!PC 1998-nen 9-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 ９月号 特別付録ＣＤーＲＯＭ | PC | | | | OHPC-9809 | |
| Ohio Distinctive Software Vol. I | PC | | | | | |
 | One Step Ahead | CDI | | | | Demo 10.05.94 | |
| One-derful Theater
ＯＮＥだふるシアター | X68K | | |  | | |
 | Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | | |
| Online Start-Up Disc 4.0 | PS2 | 1.00 | | | SCUS-97357 | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | PBPX-95242 | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | SCUS 97425 | |
 | Only Fun: Entra anche tu nel mondo dei Videogames | PC | | | | | |
 | Op Jacht naar Vernuft | CDI | | |  | | |
 | Operation Flashpoint: Soprotivlenie
Operation Flashpoint: Сопротивление | PC | 1.85 | |  | | |
| Operation Neptune + Reader Rabbit 2 Deluxe! + Ultimate Writing & Creativity Center
The Learning Company 3-in-1 | PC | | | | | |
 | OPSM Best PS One Games Ever
Official Australian PlayStation Magazine Demo 44 | PSX | | | | SCED-03239 | |
 | OPSM Best Racing Game Ever | PSX | | | | SCED-02492 | |
| OptImage CD-I Starter System: Sampler Disc: Version 1.1 | CDI | | | | | |
| Orchid Technology Kelvin MPEG Software Catalog | PC | | | | | |
| The Oregon Trail | PC | 1.21 | | | | |
| Original Xbox Game Support: August 2006 (1.5) | XBOX360 | | | | | |
 | Ortofrajda | PC | | | | | |
| Our Solar System | PHOTO-CD | | | | #CD-1 | |
| Les Ours Berenstain: Comme des Grands | CDI | 1.05 | |  | 812 0063 | |
| Ovation | ARCH | 1.48S | | | 00139 | |
| Oxford Handbook of Clinical Medicine for PDAs: Seventh Edition | PALM | 10.0.05/2007.9.7 | | | | |
 | Oyungezer: Mart 2010 | PC | | | | | |
| Ozaki Yutaka: Eyes: "Hakushi no Sanran" Yori
尾崎 豊 ｅｙｅｓ「白紙の散乱」より | PHOTO-CD | | | | CAT.908753-7 | |
| Operaciya Silent Storm (Disc 1)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Operaciya Silent Storm (Disc 2)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Ot zakata do rassveta
От заката до рассвета | PC | | 1C: Igroteka | | | |
| On-Robot
Он-Робот | PC | 1.14SB | 1C: Igrushki | | | |
| Otverzhennye: Tajna temnoj rasy (Disc 1)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| Otverzhennye: Tajna temnoj rasy (Disc 2)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| O.R.B.: Orbital'nye Resursnye Bazy
О.Р.Б.: Орбитальные Ресурсные Базы | PC | 1.03 | 1C: Kollekciya igrushek | | | |
| Operaciya Silent Storm: Chasovye (Disc 1)
Операция Silent Storm: Часовые | PC | | 1С: Igroteka | | | |
| Operaciya Silent Storm: Chasovye (Disc 2)
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 | |
| Operation Combat II | PC | 1.0 | Action CD-ROM 5 Pak | | | |
| Orbatak | 3DO | | Arcade CD-ROM | | | |
| Obscure: The Aftermath
ObsCure: The Aftermath | WII | | Beta | | | |
| Onimusha 2: Samurai's Destiny
鬼武者２ ＰＡＬ | PS2 | 1.00 | Beta |    | SLES-50978 | |
| Onslaught | WII | | Beta | | | |
| Ousama Monogatari
王様物語 | WII | | Beta | | | |
| OutRun 2 | XBOX | | Beta | | | |
| Online Connection CD: For the PlayStation Game Console | PSX | | Beta Trial Version 1.0 | | LSP-150500 … | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644430 | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644431 | |
| The Operative: No One Lives Forever (Disc 1) | PC | | Bundle Version Micro-Star International OEM |  | CD-W581995-MSYZ1, FXX08903223D1 | |
| 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 | |
| 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 | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.01 | Bundled with PS2 | | PBPX 95248 | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.02 | Bundled with PS2 | | PBPX 95248 … | |
 | Ollo en de Reuzentomaat | PC | | CD-ROM Topper | | | |
 | Open Season
Les Rebelles de la Forêt | PC | | Cheese Heads | | | |
| Outburst | PC | | Classic Value Series | | Product# 99043 | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 2) | 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 | |
| Offensive
Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | | |
| Ognisty Podmuch: Fire Captain (Disc 1) (Dysk Instalacyjny) | PC | | Covermount |  | | |
| Ognisty Podmuch: Fire Captain (Disc 2) (Dysk z Grą) | PC | | Covermount | | | |
| Oil Tycoon 2 | PC | | Covermount | | | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount | | SELL 0103 | |
| Oksfordzka Encyklopedia Historii Świata. Tom II | PC | | Covermount | | SELL 0108 | |
| Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 | |
| Omnia Junior 2: Storia: Attività interattive | PC | | Covermount | | SIAE 0901PA | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Day One Edition | | BLUS-31427 … | |
| Outward | PC | | Day One Edition | | 1024669LAINT, 103699 | |
| O.D.T. | PSX | | Demo | | SLED-01574 | |
| O.D.T. | PSX | | Demo | | SLED-01575 | |
| O.D.T. | PSX | | Demo | | SLUS-90043 | |
| Obbligato (Taikenban CD-ROM)
オブリガート 体験版CD-ROM | PC | | Demo | | | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time To Kill + B-Movie | PSX | | Demo | | SLED-01608 | |
| Omgaan met Steriele Medische Hulpmiddelen | CDI | | Demo | | | |
| On the Rain-Slick Precipice of Darkness: Episode One | PC | | Demo | | | |
| One Must Fall 2097 | PC | 1.1 | Demo | | | |
| Oni / 4x4 Evo
Oni / 4x4 Evolution | PC | | Demo | | 12DC1-09GM03-11 | |
| Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 | |
 | Open Season
Boog & Elliot | PC | 1.0 | Demo |    | | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
| Outlaws (Demonstration Program) | PC | Demo 1.0 CD Build 3 | Demo | | 644230 | |
| OutRun 2 | XBOX | | Demo | | SE-057 | |
| One Must Fall 2097 | PC | | Demo: JukeBox Collection | | | |
| 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 | |
| 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 | | | |
| 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 Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | | |
| 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 | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
| 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 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 (Xplosiv) | | EI-1685-2 | |
 | 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 | | | |
| Operation | PC | | General Mills | | AM801R5 | |
| Operation | PC | | General Mills | | AM0703R71 | |
| 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 | |
| Ouran Koukou Host Club
桜蘭高校ホスト部 | PS2 | 1.01 | Genteiban | | SLPM 66737 | |
| OutRun 2006: Coast 2 Coast | PC | | GSP White Label: Reload | | 1673A | |
| Odo Odo Oddity
おどおど おっでぃ | PSX | | Hibaihin | | SLPM 80075 | |
| 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 | |
| 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 | | | |
| 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 | MAC | | Kickstarter | | | |
| Obduction | PC | 1.4.2 | Kickstarter | | | |
| Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 | |
| Oddworld: Abe's Oddysee: New 'n' Tasty! | PS3 | 01.00 | Limited Edition |  | BLUS-31621 | |
| 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 | |
| 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 | |
 | Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| Outcast (Disc 1) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A1 | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Outcast (Disc 3) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A3 | |
| 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 1) | PC | 2.0 | LucasArts Classics | | 3000009.101.UK | |
| Outlaws (Disc 2) | PC | 2.0 | LucasArts Classics | | 3000009.102.UK | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| The Operative: No One Lives Forever (Disc 1) (Game Disc) | MAC | 1.004 | MacPlay | | | |
| 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 | | | |
| OnHand Complete Astrologer
OnHand Complete Astrologer: Horoscopes & More! | PALM | PDA108-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA108-01 | |
| OnHand Sports Games / Sega Swirl Lite | PALM | PDA105-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA105-01 | |
 | O Xephteris Taxideuei stin Ellada
Ο Ξεφτέρης ταξιδεύει στην Ελλάδα | PC | | Original |  | | |
| O-to-i-re: Dreamcast Sequencer
お・と・い・れ ドリームキャストシーケンサー | DC | 1.002 | Original | | T-32801M | |
| O.D.T. | PSX | | Original | | SLES-01391 | |
| O.D.T. | PC | | Original | | | |
| O.D.T. | PSX | | Original | | SLES-01409 | |
| O.D.T. | PC | | Original | | | |
| O.D.T. | PSX | | Original | | SLES-01410 | |
| O.D.T. | PSX | | Original | | SLES-01411 | |
 | O.D.T. | PSX | | Original | | SLES-01412 | |
| O.D.T. | PSX | | Original | | SLUS-00698 | |
| O'boy-jakten | PC | | Original | | | |
| Ob"ekt 69: Kasablanka
Объект 69: Касабланка | PC | | Original | | RUSSOBIT-M 2003/408 | |
| Ob"ekt 69: Mest' Krassera
Объект 69: Месть Крассера | PC | | Original | | | |
| Obitaemyj ostrov
Обитаемый остров | PC | | Original | | | |
| Obitaemyj ostrov: Chuzhoj sredi chuzhix
Обитаемый остров: Чужой среди чужих | PC | | Original | | | |
| Obitaemyj ostrov: Zemlyanin
Обитаемый остров: Землянин | PC | | Original | | | |
| Obitel' T'my
Обитель Тьмы | PC | 5.02 04/07/03 | Original | | | |
| Obitel' t'my: Sumerki
Обитель тьмы: Сумерки | PC | 1.1 | Original | | | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| Obliterate | PS2 | 1.01 | Original | | SLES-53355 … | |
| Obratnyj otschet
Обратный отсчет | PC | v.1 1.06.10.22 | Original | | | |
| Obscure: The Aftermath
ObsCure: The Aftermath | PSP | 1.01 | Original | | ULES-01340 | |
| Obscure: The Aftermath
ObsCure: The Aftermath | WII | | Original | | RVL-ROBE-USA | |
| Obscure: The Aftermath
ObsCure: The Aftermath | PS2 | 1.00 | Original | | SLUS-21709 | |
| Obsidian: Alla Frontiera della Logica (Disc 1) | PC | 1.0.001 | Original | | | |
| Obsidian: Alla Frontiera della Logica (Disc 2) | PC | 1.0.001 | Original | | | |
| Obsidian: Alla Frontiera della Logica (Disc 3) | PC | 1.0.001 | Original | | | |
| Obsidian: Alla Frontiera della Logica (Disc 4) | PC | 1.0.001 | Original | | | |
| Obsidian: Alla Frontiera della Logica (Disc 5) | PC | 1.0.001 | Original | | | |
| Obut Pétanque | PS3 | 01.01 | Original | | BLES-01340 | |
| Obut Pétanque 2 | XBOX360 | | Original | | W6-2008 | |
| Obut Pétanque 2 | PS3 | 01.01 | Original | | BLES-01696 | |
| Oceans Below
The Software Toolworks Presents ... Oceans Below | MAC | | Original | | 2198620-590001 / I 073100, CDRM1103420 | |
| Ochazukenori: Kaiki!! Mushi Danshaku no Yakata
御茶漬海苔 怪奇！！蟲男爵の館 | PC | | Original | | | |
| Ochigee Designer Tsukutte Pon!
落ちゲー・デザイナー 作ってポン！ | SS | 1.090 | Original | | T-9108G | |
| Octomania | WII | | Original | | RVL-RTKE-USA | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
| Oddworld: La Fureur de l'Etranger
Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: Stranger's Wrath HD | PS3 | 01.00 | Original | | BLUS-31620 | |
| Oddworld: Strangers Vergeltung | XBOX | | Original | | EA-109 | |
| Odin Sphere: Leifthrasir | PS3 | 01.00 | Original | | BLES-02241 | |
| Odin Sphere: Leifthrasir
オーディンスフィア レイヴスラシル | PS3 | 01.00 | Original | | BLJM 61239 | |
| Odin Sphere: Leifthrasir | PS3 | 01.01 | Original | | BLUS-31601 | |
| Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 | |
| Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 | |
| Odo Odo Oddity
おどおどおっでぃ | PSX | | Original | | SLPS 00754 | |
| ODS Robot Challenge | PC | | Original | | | |
| Odyssey: The Legend of Nemesis | MAC | 1.0 | Original | | | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | ODY-ENCD1 | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | ODY-ENCD2 | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | | |
 | Oesterreichische Nationalbibliothek: Multimediale Enzyklopaedie auf 3 CD-i's (Disc 1) (Prunksaal/Impressionen) | CDI | | Original | | 0103313 | |
| Oesterreichische Nationalbibliothek: Multimediale Enzyklopaedie auf 3 CD-i's (Disc 2) (Sammlungen) | CDI | | Original | | 0103313 | |
| Oesterreichische Nationalbibliothek: Multimediale Enzyklopaedie auf 3 CD-i's (Disc 3) (Apokalypse) | CDI | | Original | | 0103313 | |
| 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 | | | |
| Of Light and Darkness: The Prophecy (Disc 2) | PC | | Original | | | |
| Of Light and Darkness: The Prophecy (Disc 3) | PC | | Original | | | |
| 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 | |
| Off-Road: Wide Open
Test Drive Off-Road: Wide Open | XBOX | | Original | | IG-001 | |
| Off-Road: Wide Open
Test Drive Off-Road: Wide Open | PS2 | 1.00 | Original | | SLES-50232 | |
| Off-World Interceptor
オフ‐ワールド・インターセプター | 3DO | | Original | | FZ-SJ3151 | |
 | Off-World Interceptor
혹성질주 | 3DO | | Original | | GDT-GA241 | |
| Off-World Interceptor | 3DO | | Original | | | |
| Off-World Interceptor Extreme | PSX | | Original | | SLES-00047 | |
| Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H-50 | |
| 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 | PSX | | Original | | SLPS 00122 | |
| Off-World Interceptor Extreme | PSX | | Original | | SLUS-00020 | |
| Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H | |
| The Office | PC | | Original | | | |
| 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 | | | |
| The Official Xbox Best Ever Games
The Official Xbox Magazine 15 Best Games | XBOX | | Original | | | |
| The Official Xbox Live Disc | XBOX | | Original | | IM-001 | |
| Official Xbox Magazine Best of Xbox Game Demos Vol. 1 | XBOX | | Original | | IM-026 | |
| The Official Xbox Playable Cheats | XBOX | | Original | | IM-001 | |
| The Official Xbox Starter Pack 2004
Xbox 20 Playable Demos | XBOX | | Original | | IM-001 | |
| Official Yarudora Fan Book: Double Cast: CD-ROM Special Data-shuu
オフィシャルやるドラファンブック ダブルキャスト | PSX | | Original | | SCZS 94101 | |
| Official Yarudora Fan Book: Kisetsu o Dakishimete
オフィシャルやるドラファンブック 季節を抱きしめて | PSX | | Original | | SCZS 94102 | |
| Official Yarudora Fan Book: Sampaguita
オフィシャルやるドラファンブック サンパギータ | PSX | | Original | | SCZS 94103 | |
| Official Yarudora Fan Book: Yukiwari no Hana: CD-ROM Special Data-shuu
オフィシャルやるドラファンブック 雪割りの花 | PSX | | Original | | SCZS 94104 | |
| Offroad Extreme! | WII | | Original | | RVL-ROFX-NOE | |
| Offroad Extreme! | PS2 | 1.01 | Original | | SLES-52751 | |
| Offroad Extreme! | WII | | Original | | RVL-ROFP-UKV-1 | |
| Offroad Extreme! Special Edition | PC | | Original | | | |
| Offroad Extreme! Special Edition | PS2 | 1.00 | Original | | SLES-54109 | |
| Offroad Extreme! Special Edition | WII | | Original | | RVL-ROFE-USA-B0 | |
| Offshore Tycoon | WII | | Original | | RVL-RXFE-USA | |
| Ogallala: Das Kartenspiel für PC | PC | | Original | | ECD000799D 00031111-001 | |
| Ogre Battle: Limited Edition | PSX | | Original | | SLUS-00467 | |
| Oh-chan no Oekaki Logic
おーちゃんのお絵かきロジック | SS | 1.005 | Original | | T-1508G | |
| Oh's Talk English (Disc 1)
오석태의 말하는 영어 | PSP | 1.02 | Original |  | ULKS 46082 | |
| Oh's Talk English (Disc 2)
오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46083 | |
| Oha Suta Dance Dance Revolution
おはスタ ダンス ダンス レボリューション | PSX | | Original | | SLPM 86603 | |
| Oha Suta Series 01: Zonapara
おはスタシリーズ０１ 象南波羅～ゾナパラ～ | KSITE | | Original | | 536956 | |
| Oha Suta Series 02: Oha Ska!
おはスタシリーズ０２ おは スカ | KSITE | | Original | | 538714 | |
| Oil of Ulay: Colour Collection: Colour Consultant | CDI | | Original | | | |
| Oil Platform Simulator | PC | 1.0 | Original | | | |
| Oil Tycoon | PC | 1.0 | Original | | | |
| Oil Tycoon | PC | 1.01 | Original | | | |
| Oil Tycoon 2 | PC | | Original | | | |
| Ojousama Express (Disc 1)
お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Ojousama Express (Disc 2)
お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Ojousama o Nerae!!
お嬢様を狙え！！ | SS | 1.002 | Original | | T-38101G | |
| Ojousama o Nerae!!
お嬢様を狙え！！ | SS | 1.003 | Original | | T-38101G | |
| Okano Software Classics: Volume 2 | PC | | Original | | | |
| Okashina Mother Goose: Mixed-Up Mother Goose
おかしなマザー・グース | FMT | | Original | | HMB-235 | |
| Okigaru Igo Taikyoku
お気軽囲碁対局 | PALM | | Original | | | |
| Okigaru Igo Taikyoku
お気軽囲碁対局 | PPC | | Original | | | |
| Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | | |
| Okudera Yasuhiko no Sekai o Mezase! Soccer Kids: Nyuumon-hen
奥寺康彦の世界をめざせ! サッカー・キッズ 入門編 | SS | 1.310 | Original | | T-26001G | |
| Oldtimer | PHOTO-CD | | Original | | 813 0067 | |
| Oldtimer | ACD | | Original | | | |
| Oldtimer: Erlebte Geschichte Teil II | PC | | Original | | | |
| Olivers Äventyr: Drakens Förbannelse | PC | | Original | | 021120110 | |
| Ollo in the Sunny Valley Fair | PC | | Original | | | |
| Olympia, Takasago: Virtua Pachi-Slot III
オリンピア・高砂 バーチャ・パチスロⅢ | PSX | | Original | | SLPS 01386 | |
| Olympia, Yamasa: Virtua Pachi-Slot II: Jissen! Bishoujo Kouryakuhou
オリンピア・山佐 バーチャパチスロⅡ ～実戦！美少女攻略法～ | PSX | | Original | | SLPS 00714 | |
| Olympic Games
Olympic Games: Atlanta 1996 | PSX | | Original | | SLES-00110 | |
| Olympic Games: Atlanta 1996 | PC | | Original | | | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H-09, T-7904H-50 | |
| Olympic Soccer | SS | 2.000 | Original | | T-07904H-18 | |
| Olympic Soccer
オリンピックサッカー | SS | 1.002 | Original | | T-7304G | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H | |
| Omega Assault | PSX | | Original | | SLES-04051 | |
| Omega Boost | PSX | | Original | | SCES-02120 | |
| Omega Boost | PSX | | Original | | SCUS-94449 | |
| The Omega Stone: Riddle of the Sphinx II (Disc 1) | 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 3) | PC | 1.2.3.2 | Original | | | |
| The Omega Stone: Riddle of the Sphinx II (Disc 4) | PC | 1.2.3.2 | Original | | | |
| The Omega Stone: Secrets of the Ancients (Disc 1) | PC | | Original | | OMSTENCD1 | |
| The Omega Stone: Secrets of the Ancients (Disc 2) | PC | | Original | | OMSTENCD2 | |
| The Omega Stone: Secrets of the Ancients (Disc 3) | PC | | Original | | OMSTENCD3 | |
| The Omega Stone: Secrets of the Ancients (Disc 4) | PC | | Original | | OMSTENCD4 | |
| Omerta: City of Gangsters | XBOX360 | | Original | | KY-2021 | |
| Omgaan met Steriele Medische Hulpmiddelen
Omgaan met Steriele Medische Hulp-Middelen | CDI | | Original | | | |
| Omiai Commando: Ba-Couple ni Tsukkomi o
お見合いコマンドー ～バカップルにつっこみを～ | PSX | | Original | | SLPM 86439 | |
| Omikron: The Nomad Soul | DC | 1.001 | Original | | T-36807N | |
| 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 | | | |
| Omise de Tenshu
おみせｄｅ店主 | PSX | | Original | | SLPS 01876 | |
| Omoide ni Kawaru Kimi: Memories Off
想い出にかわる君 ～Ｍｅｍｏｒｉｅｓ Ｏｆｆ～ | DC | 1.001 | Original | | T-19718M | |
| On the Ball: League Edition | PC | 1.0 | Original | | | |
| On the Ball: World Cup Edition | PC | 1.00 | Original | | | |
| Ona: Sbornik e'roticheskix igr
Она: Сборник эротических игр | PC | | Original | | 10-20999 | |
| Once Upon a Knight (Disc 1) | PC | | Original | | Part # 25196CD1 | |
| Once Upon a Knight (Disc 2) | PC | | Original | | Part # 25196CD2 | |
| Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 | |
| One Must Fall 2097 | PC | | Original | | | |
| One Must Fall 2097 | PC | | Original | | EPOMF01 | |
| One Must Fall 2097 | PC | | Original | | EPOMF01 | |
| One Must Fall: Battlegrounds | PC | 2090 | Original | | | |
| One Must Fall: Battlegrounds | PC | 2090 | Original | | | |
| One Piece: Grand Adventure
원피스: 그랜드 배틀 어드벤처 | PS2 | 1.00 | Original | | SLKA 25388 | |
| One Piece: Grand Battle! 3
ＯＮＥ ＰＩＥＣＥ ～グランド・バトル！３～ | GC | | Original | | DL-DOL-GOGJ-JPN | |
| One Piece: Grand Battle! 3
ＯＮＥ ＰＩＥＣＥ グランドバトル！３ | PS2 | 1.02 | Original | | SLPS 25315 | |
| One Piece: Grand Battle! Rush
ワンピース グラバト！ ラッシュ | GC | | Original | | DL-DOL-GOPJ-JPN | |
| One Piece: Grand Battle! Rush
ワン・ピース ～グラバト！ラッシュ～ | PS2 | 1.01 | Original | | SLPS 25473 | |
| One Piece: Grand Battle! Rush
원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 | |
| One Piece: Pirate Warriors | PS3 | 01.01 | Original | | BLES-01672 … | |
| One Piece: Pirate Warriors + One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-02131 | |
| One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-01913 | |
| One Piece: Pirate Warriors 3 | PS3 | 01.00 | Original | | BLES-02140 | |
| One Piece: Pirates Carnival
ワンピース パイレーツカーニバル | GC | | Original | | DL-DOL-GIPJ-JPN | |
| One Piece: Pirates Carnival
ワンピース パイレーツカーニバル | PS2 | 1.01 | Original | | SLPS 25576 | |
| One Piece: Pirates Carnival
원피즈 해적카니발 | PS2 | 1.01 | Original | | SLKA 25351 | |
| One Piece: Round the Land! | PS2 | 1.00 | Original | | SLES-52731 | |
| One Piece: Round the Land!
ワンピース ランドランド！ | PS2 | 1.01 | Original | | SLPS 25382 | |
| One Piece: Round the Land!
원피스 라운드 더 랜드! | PS2 | 1.00 | Original | | SLKA 25208 | |
| One Piece: Unlimited Adventure
ワンピース アンリミテッドアドベンチャー | WII | | Original | | RVL-RIPJ-JPN | |
| One Piece: Unlimited Cruise 1: The Treasure Beneath the Waves | WII | | Original | | RVL-ROUP-EUR-B0 | |
| One Piece: Unlimited Cruise 2: Awakening of a Hero | WII | | Original | | RVL-RIUP-EUR-B0 | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha
ワンピース アンリミテッドクルーズ エピソード２ 目覚める勇者 | WII | | Original | | RVL-RIUJ-JPN | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha
ワンピース アンリミテッドクルーズ エピソード２ 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-JPN-B0 | |
 | One Piece: Unlimited World R | PS3 | 01.01 | Original |  | BLAS 50699 | |
| One Piece: Unlimited World R
ワンピース アンリミテッドワールド Ｒ | PS3 | 01.01 | Original | | BLJS 10272 | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Original | | BLES-02020 | |
| One Two Animal: Let's Animal Series 1
ワンツーあにまる レッツあにまるシリーズ１ | PC | | Original | | LAOA-96101 | |
| One Unit Whole Blood | PC | 1.21 | Original | | 04-16459CD1 | |
| Onee-san to Issho! Janken Paradise
お姉さんといっしょ！ じゃんけん パラダイス | 3DO | | Original | | FZ-SJ5251 | |
| Onee-san to Issho! Kisekae Paradise
お姉さんといっしょ！ 着せ替え パラダイス | 3DO | | Original | | FZ-SJ5252 | |
| Oneechanbara Revolution
お姉チャンバラ Ｒｅｖｏｌｕｔｉｏｎ | WII | | Original | | RVL-RONJ-JPN | |
| Oneechanbara VorteX: Imichi o Tsugu Mono-tachi
お姉チャンバラ vorteX ～忌血を継ぐ者たち～ | XBOX360 | | Original | | DP-2002 | |
| Oneechanbara Z: Kagura with NoNoNo!
お姉チャンバラZ～カグラ～ With NoNoNo! | PS3 | 01.03 | Original | | BLJS 10221 | |
| Onegai Countdown
おねがいカウントダウン | PC | | Original | | YMH-0013 | |
| Ongaku Tkool 3
音楽ツクール３ | PSX | | Original | | SLPS 03161 | |
| Ongaku Tkool: Kanadeeru 2
音楽ツクール かなで～る２ | PSX | | Original | | SLPS 00903 | |
| OnHand Chess / Sega Swirl Lite | PALM | PDA103-01 | Original | | PDA103-01 | |
| Oni | PC | 1.00.000 | Original | | MTW-0390 | |
| The Oni Taiji!!: Mezase! Nidaime Momotarou
Ｔｈｅ鬼退治！！ 目指せ！二代目桃太郎 | PSX | | Original | | SLPS 00089 | |
| Onigunsou Kuramochi Yuzo no Yatchimasu: Spartan Manshu
鬼軍曹倉持勇造の殺っちます ～スパルタン満州～ | PC | | Original | | | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.00 | Original | | SLES-50978 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.03 | Original | | SLUS-20393 | |
| Onimusha: Put' samuraja
Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 1) (Igrovoj)
Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 2)
Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 3)
Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 4)
Onimusha: Путь самурая | PC | | Original | | | |
| Onkel Alberts geheimnisvolles Notizbuch | PC | | Original | | | |
| Online Pro Wrestling
オンラインプロレスリング | PS2 | 1.03 | Original | | SLPM 65586 | |
 | Online Start-Up Disc v1.0
Disco de Inicio en Línea v1.0 | PS2 | 1.00 | Original | | PBPX 95250 … | |
| Online Start-Up Disc v3.0 | PS2 | 1.02 | Original | | PBPX-95239 | |
| Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX 95247 | |
| Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX-95246 | |
| Only One 2: Bijin Casino Dealer Hitomi: Sei no Roulette
オンリーワン２ 美人カジノディーラー瞳 性のルーレット | PC | | Original | | ON2-HITO | |
| Only One 2: Naomi: Ai no Inori ga Todoku Toki
オンリーワン２ なおみ 愛の祈りが届く時 | PC | 1.0.0.1 | Original | | ON2-NAO | |
| Onmyou Taisenki: Byakko Enbu
陰陽大戦記 白虎演舞 | PS2 | 1.01 | Original | | SLPS 20417 | |
| Onmyou Taisenki: Hasha no In
陰陽大戦記 ～覇者の印～ | PS2 | 1.03 | Original | | SLPS 25501 | |
| Onsen de Takkyuu
温泉ｄｅ卓球 | PC | | Original | | | |
| Onside Complete Soccer | PSX | | Original | | SLES-00079 | |
| Onside Complete Soccer | PSX | Rev 1 | Original | | SLES-00079 | |
| Ontdek de Interactieve Wereld van Neckermann | CDI | | Original | | | |
| Ontdek het Onbekende Nederland | CDI | 1.06 | Original | | 814 0104 | |
| De Ontdekker en het Mysterie van de Diamanten Scarabee
The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 | |
| Ooedo Fuusui Ingaritsu: Hanabi 2
大江戸風水因果律 花火２ | PSX | | Original | | SLPS 02814 | |
| Ooedo Renaissance
大江戸ルネッサンス | SS | 1.001 | Original | | T-9104G | |
| Oogst van de Zon | CDI | | Original | | 814 0004 | |
| Ookami-teki Monshou: Crest of Wolf
狼的紋章 クレスト・オブ・ウルフ | PCE | | Original | | HCD3044 | |
| Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 | |
| Ooumi Nobunaga Den: Geten II
大海信長伝・下天ＩＩ | PSX | | Original | | SLPS 00874 | |
| Opel Vectra '99 | PHOTO-CD | | Original | | | |
| The Open Golf: History of Turnberry
ジ・オープンゴルフ History of Turnberry | PSX | | Original | | SLPS 00418 | |
| Open Universiteit: Practicum Toxicologische Histopathologie
Open University: Practical Toxicological Histopathology | CDI | | Original | | 4589 | |
| Opening Night | PC | 1.0 | Original | | #HCD646A | |
| Opening Night: Behind The Scenes | PC | 1.0 | Original | | #HCD646B | |
| Opera Fatal | PC | | Original | | | |
| Operaciya "Plastilin" (Disc 1)
Операция "Пластилин" | PC | | Original | | | |
| Operaciya "Plastilin" (Disc 2)
Операция "Пластилин" | PC | | Original | | | |
| Operaciya Bagration
Операция Багратион | PC | | Original | | | |
| Operation Air Assault | PS2 | 1.01 | Original | | SLES-52572 | |
| Operation Air Assault 2 | PS2 | 1.01 | Original | | SLES-54804 | |
| Operation Barbarossa: The Struggle for Russia | PC | | Original | | | |
| Operation Body Count | PC | | Original | | | |
| Operation Body Count: One Level Preview | PC | | Original | | | |
| Operation Darkness
オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 | |
| Operation Darkness | XBOX360 | | Original | | AT-2002 | |
| Operation Europe: Path to Victory 1939-45 | PC | | Original | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDUS00 | |
| Operation Flashpoint: Dragon Rising | PC | 1.0 | Original | | MOFP2CDEU00 | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLJM 60152 | |
| Operation Flashpoint: Dragon Rising
오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLUS-30316 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Operation Flashpoint: Elite | XBOX | | Original | | CM-090 | |
 | Operation Flashpoint: Gold Upgrade
Operace Flashpoint: Gold Upgrade | PC | | Original |  | | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original | | MOFUCDUS00 | |
| Operation Flashpoint: Holodnaja vojna
Операция Flashpoint: Холодная война | PC | 1.46 | Original | | | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLES-01171 | |
| Operation Flashpoint: Red River | PC | 1.0 | Original | | MOFP3CDEU00 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLUS-30704 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDEU00 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDUS00 | |
| Operation Mittelmeer | PC | | Original | | | |
| Operation Neptun | PC | 1.2 | Original | | ONT844AW-CD | |
| Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD | |
| Operation Omega | PC | | Original | | 7-20286-92175-1 | |
| Operation Thunderstorm | PC | 1.0 | Original | | | |
| Operation WinBack | PS2 | 1.10 | Original | | SLES-50155 | |
| Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 | |
| Operation WinBack 2: Project Poseidon | PS2 | 1.00 | Original | | SLES-54116 … | |
| The Operational Art of War II: 1956-2000
The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
| The Operational Art of War: Century of Warfare | PC | | Original | | | |
| The Operative: No One Lives Forever | PS2 | 1.00 | Original | | SLES-50592 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| 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 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 | PS2 | 1.50 | Original | | SLUS 20028 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | | |
| Operator's Side
オペレーターズサイド | PS2 | 1.02 | Original | | SCPS 15039 | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original | | SLES-53713 | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 1) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 2) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 3) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 4) | PC | | Original | | | |
| OptImage CD-I 220 Adjustment Disc | CDI | | Original | | | |
| OptImage Media Showcase | CDI | 1.0 | Original | | | |
| Optimum Resource Sampler | PC | | Original | | | |
| Option: Tuning Car Battle
オプション チューニングカーバトル | PSX | | Original | | SLPS 01207 | |
| Option: Tuning Car Battle 2
オプション チューニングカーバトル2 | PSX | | Original | | SLPS 01857 | |
| Option: Tuning Car Battle Spec R
オプション チューニングカーバトル スペックR | PSX | | Original | | SLPS 02587 | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 Ｊｅｗｅｌｓ ｏｆ ｔｈｅ Ｏｒａｃｌｅ | PSX | | Original | | SLPS 00240 | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 | SS | 1.004 | Original | | T-1511G | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00153 | |
| The Orange Box (Disc 1) | PC | | Original |  | VAX07705811D | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00172 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00171 | |
| The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | |
| The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| The Orange Box (Disc 1) | PC | | Original | | | |
| The Orange Box (Disc 2) | PC | | Original | | | |
 | The Orange Box (Disc 1)
戰慄時空2：二部曲重裝旗艦版 | PC | | Original | | TTE0193 | |
| The Orange Box (Disc 2)
戰慄時空2：二部曲重裝旗艦版 | PC | | Original | | TTE0193 | |
| The Orange Box | PS3 | 01.00 | Original | | BLUS-30055 | |
| The Orange Box (Disc 2) | PC | | Original | | 985217 | |
 | The Orange Box
오렌지 박스 | XBOX360 | | Original | | EA-2063 | |
| Orange Pocket: Root
オレンジポケット ～リュート～ | PS2 | 1.02 | Original | | SLPM 65525 | |
| Orda: Severnyj veter
Орда: Северный ветер | PC | | Original | | | |
| Ore ga Kantoku da! Gekitou Pennant Race
オレが監督だ！ ～激闘ペナントレース～ | PS2 | 1.03 | Original | | SLPM 65005 | |
| Ore ga Kantoku da! Volume 2: Gekitou Pennant Race
オレが監督だ！Ｖｏｌｕｍｅ．２ ～激闘ペナントレース～ | PS2 | 1.04 | Original | | SLPM 65056 | |
| Ore no Imouto ga Konnani Kawaii Wake ga Nai. Happy End
俺の妹がこんなに可愛いわけがない。 ハッピーエンド | PS3 | 01.01 | Original | | BLJS 10238 | |
| Ore no Shita de Agake
俺の下で ＡＧＡＫＥ | PS2 | 1.01 | Original | | SLPS 25796 | |
| Ore no Shita de Agake
俺の下であがけ | PC | System3.9 Ver.5.43 | Original | | ALB-005 | |
| Ore no Yome: Anata dake no Hanayome
俺の嫁 ～あなただけの花嫁～ | XBOX360 | | Original | | IF-2008 | |
