Region | Title | System | Version | Edition | Languages | Serial | Status |
| One Piece: Unlimited World Red | PS3 | 01.00 | Original | | BLES-02020 | |
| OutRun 2 | XBOX | | Beta | | | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.02 | Bundled with PS2 | | PBPX 95248 … | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | SCUS 97425 | |
| OnSide Soccer | 3DO | | Unlicensed (oldergames, Good Deal Games Double Header! Two Game Set) | | | |
| 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 | |
| One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-01913 | |
| Ougon Musou Kyoku Cross 黄金夢想曲 CROSS | PC | 2.00 | Original | | | |
| Opera House Preview Disc #2.3 オペラハウス プレビューディスク #2.3 | PC | | Original | | | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Orion Burger | PC | | Original | | | |
| Olympic Games: Atlanta 1996 | PC | | Original | | | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Omikron: The Nomad Soul | PC | | Promo | | | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original, Promo | | BLES-00597 | |
| Oil Tycoon 2 | PC | | Original | | | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| Oshidashi Zintrick ~ ZinTricK 押し出しジントリック | NGCD | | Original | | ADCD-104 | |
| Original War (Disc 2) | PC | 1.02 | Original | | CD-W95-V006-IT2 | |
| 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 | |
| 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 | |
| OMSI Add-on: Wien: Der Hochflurbus LU 200 | PC | 1.0 | OMSI Bundle | | | |
| OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | | |
| Oni no Kamen 鬼ノ仮面 | PC | 1.00 | Original | | | |
| Original War (Disc 1) | PC | 1.02 | Original | | CD-W95-V006-IT1 | |
| Osaka City 大阪 | PHOTO-CD | | Original | | | |
| Original War (Disc 2) | PC | 1.02 | Covermount | | | |
| Original War (Disc 1) | PC | 1.02 | Covermount | | | |
| O.R.B: Off-World Resource Base | PC | | Covermount | | | |
| Official Xbox Magazine Game Disc 42 | XBOX | | Original | | IM-042 | |
| Official Xbox Magazine Game Disc 22 | XBOX | | Original | | IM-022 | |
| OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 | |
| Of Light and Darkness: The Prophecy (Disc 3) | 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 1) | PC | | Original | | CD-W95-166-E | |
| Ore no Shita de Agake 俺の下であがけ | PC | System3.9 Ver.5.43 | Original | | ALB-005 | |
| Osterspiele-Box Oster Spielebox | PC | | Original | | | |
| Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | | |
| Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Overlord BGamer 153 (Side A) | PC | | Covermount | | | |
| The Official Xbox Playable Cheats | XBOX | | Original | | IM-001 | |
| The Official Xbox Live Disc | XBOX | | Original | | IM-001 | |
| The Official Xbox 50 Best Games 20 Games to Play | XBOX | | | | IM-001 | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Oil Rush | PC | | Original | | | |
| Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| OnlineGamez | PC | | | | | |
| OIO: The Game: Enlarged | PC | | F*ckn' Best of Independent Games: Collection Vol. 1 | | | |
| Oregon Trail II | PC | 1.31 | Rerelease | | #HCD744AE-CD | |
| 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 | |
| Ostrov e'rotiki Остров эротики | PC | | Original | | | |
| On-Robot Он-Робот | PC | 1.14SB | 1C: Igrushki | | | |
| Das Offizielle PlayStation 2 Magazin 13/2003: Uncut Edition ops2m uncut edition 13/03 | PS2 | 1.00 | | | SCED-51937 | |
| OnHand Chess / Sega Swirl Lite | PALM | PDA103-01 | Original | | PDA103-01 | |
| Ob"ekt 69: Mest' Krassera Объект 69: Месть Крассера | PC | | Original | | | |
| Ob"ekt 69: Kasablanka Объект 69: Касабланка | PC | | Original | | RUSSOBIT-M 2003/408 | |
| Onsalakorv | PC | | Original | | | |
| Ookami: Zekkeiban 大神 絶景版 | PS3 | 00.00 | Original, PlayStation 3 the Best, PlayStation 3 the Best (Reprint) | | BLJM 55061 … | |
| OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 | |
| One Piece: Pirates Carnival 원피즈 해적카니발 | PS2 | 1.01 | Original | | SLKA 25351 | |
| O'boy-jakten | PC | | Original | | | |
| Open Season | PS2 | 1.01 | Review | | | |
| Osaka Ennichi 大阪緣日 | PC | | Original | | OE-V1.00 | |
| Oda Nobunaga Den 織田信長伝 | PC | 1.0 | Original | | KN11-93101 | |
| Official Xbox Magazine Game Disc 79 | XBOX360 | | | | IM-2060 | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644431 | |
| Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Original, Love Revo Box | | SLPM 66238 … | |
| Odo Odo Oddity おどおどおっでぃ | PSX | | Original | | SLPS 00754 | |
| Oumagatoki 逢魔が時 プレミアム"FAN"ディスク | PSX | | Premium Fan Disc | | SLPM 80623 | |
| OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount | | SELL 0103 | |
| Open Season | XBOX360 | | Original, ESA Foundation Holiday Bundle | | US-2024 | |
| The Orange Box (Disc 2) | PC | | Original, EA Classics | | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | |
| Olivers Äventyr: Drakens Förbannelse | PC | | Original | | 021120110 | |
| Orly Pervoj mirovoj Орлы Первой мировой | PC | 02.19.07 | Original | | | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLED-00725 | |
| Official Disc 2003 | PS2 | 1.01 | Taikenban | | PAPX 90507 | |
| The Operational Art of War: Century of Warfare | PC | | Original | | | |
| Official PlayStation Magazine Issue 71: June 2012 | PS3 | 01.00 | | | BCED-01566 | |
| Official PlayStation Magazine Issue 66: January 2012 | PS3 | 01.02 | | | BCED-01208 | |
| Othelanian Wars オセラニアン・ウォーズ | PC | | Original | | | |
| Overlord II | PS3 | 01.02 | Original | | BLES-00580 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 | |
| Onimusha 2: Samurai's Destiny 鬼武者2 PAL | PS2 | 1.00 | Beta | | SLES-50978 | |
| One Piece: Pirate Warriors + One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-02131 | |
| Oni | PC | 1.00.000 | Original | | MTW-0390 | |
| Overlord II | XBOX360 | | Beta | | CM-2058 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| Overlord II | PC | | Preview Code | | | |
| Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Oregon Trail II | PC | 1.3 | Smart Saver | | 381032-CD/i401ha | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Rerelease | | OTA744BE-CD1 | |
| Oregon Trail II | PC | 1.32 | Rerelease | | #HCD744CE-CD | |
| Oni | PC | 1.0 | Covermount | | | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 2) | PC | 2.0 | Collection LucasArts | | | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Scholastic | | 380859-CD WP2 | |
| Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 | |
| Obratnyj otschet Обратный отсчет | PC | v.1 1.06.10.22 | Original | | | |
| Oddworld: Abe's Oddysee | PSX | Rev 1 | Original, Greatest Hits | | SLUS-00190 | |
| Obsidian (Disc 5) | PC | | Original | | 11008 | |
| Obsidian (Disc 1) | PC | | Original | | 11008 | |
| Ocean Jewels | PC | | Red Rocks | | | |
| Omar Sharif on Bridge | PC | | Valueware | | CD-ICD-148-0 | |
| 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 | | | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLES-01171 | |
| Operation Flashpoint: Holodnaja vojna Операция Flashpoint: Холодная война | PC | 1.46 | Original | | | |
| Original Xbox Game Support: August 2006 (1.5) | XBOX360 | | | | | |
| Das Offizielle Xbox-Magazin: Cover-DVD 04/2003 | XBOX | | Original | | IM-015 | |
| Otchayannye domoxozyajki (Disc 2) (Ustanovochnyj disk) Отчаянные домохозяйки | PC | | Original | | | |
| Otchayannye domoxozyajki (Disc 3) (Igrovoj disk) Отчаянные домохозяйки | PC | | Original | | | |
| Otchayannye domoxozyajki (Disc 1) (Ustanovochnyj disk) Отчаянные домохозяйки | PC | | Original | | | |
| Ousama Monogatari 王様物語 | WII | | Beta | | | |
| Order Up! | WII | | Beta | | | |
| Onslaught | WII | | Beta | | | |
| Ōkami | WII | | Beta | | | |
| Ona: Sbornik e'roticheskix igr Она: Сборник эротических игр | PC | | Original | | 10-20999 | |
| Order of War: Osvobozhdenie Order of War: Освобождение | PC | | Igromaniya: Vybor redakcii | | | |
| Order of War: Stolknovenie Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | | |
| Onimusha 3 | PS2 | 1.01 | Original | | SLES-51914 … | |
| Owlboy (Game Disc) | PC | 0.0.6152.604 | IndieBox | | | |
| Ostrich Runner | PC | | Microforum | | | |
| Oil Tycoon 2 | PC | | Covermount | | | |
| Ost-Indskaya kompaniya: Zolotoe izdanie Ост-Индская компания: Золотое издание | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| Operation Flashpoint: Dragon Rising 오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | | |
| Oudou Aniki 王道兄貴 | PC | 1.20b | Original | | | |
| Otogi: Myth of Demons | XBOX | | Special Pack | | FS-002 | |
| Otogi: Hyakki Toubatsu Emaki O・TO・GI ~百鬼討伐絵巻~ | XBOX | | Special Pack | | FS-004 | |
| Operator's Side オペレーターズサイド | PS2 | 1.02 | Original | | SCPS 15039 | |
| Operator's Side オペレーターズ・サイド | PS2 | 1.02 | Doukonban, Doukonban: PlayStation 2 the Best | | SCPS 15038 … | |
| Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Love Revo Box | | SLPM 66237 | |
| Oh-chan no Oekaki Logic for Palm おーちゃんのお絵かきロジック for Palm | PALM | 1.04 | Original | | | |
| Ougon Kishi Garo 黄金騎士 牙狼 | PS2 | 1.01 | Original | | SLPS 20463 | |
| The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Rerelease | | OTF744CE-CD2 | |
| The Oregon Trail 4th Edition (Disc 3) | PC | 1.1 | Rerelease | | OTF744BE-CD3 | |
| The Oregon Trail 4th Edition (Disc 2) | PC | 1.1 | Rerelease | | OTF744BE-CD2 | |
| The Oregon Trail 4th Edition (Disc 1) | PC | 1.1 | Rerelease | | OTF744BE-CD1 | |
| Oxford Handbook of Clinical Medicine for PDAs: Seventh Edition | PALM | 10.0.05/2007.9.7 | | | | |
| 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 | |
| Opera House Preview Disc #2 オペラハウス プレビューディスク #2 | PC | | Original | | | |
| Opera House Preview Disc オペラハウス プレビューディスク | PC | | Original | | | |
| The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD | |
| Odo Odo Oddity おどおど おっでぃ | PSX | | Hibaihin | | SLPM 80075 | |
| One Piece: Grand Battle! Rush 원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 | |
| Ōkami 오오카미 | PS2 | 1.00 | Original | | SCKA 20095 | |
| 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 | |
| Orange Pocket: Root オレンジポケット ~リュート~ | PS2 | 1.02 | Original | | SLPM 65525 | |
| Official Xbox Magazine Game Disc 52 | XBOX | | Original | | IM-210 | |
| Onsen de Takkyuu 温泉de卓球 | PC | | Original | | | |
| Ōkami | PS2 | 1.00 | Original | | SLES-54439 … | |
| Oddworld: Munch's Oddysee | XBOX | | Original, Classics | | MS-001 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 110 | XBOX360 | | | | IM-2156 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 108 | XBOX360 | | | | IM-2154 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 107 | XBOX360 | | | | IM-2153 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 105 | XBOX360 | | | | IM-2151 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 104 | XBOX360 | | | | IM-2150 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 103 | XBOX360 | | | | IM-2149 | |
| One Piece: Romance Dawn: Bouken no Yoake ワンピース ROMANCE DAWN 冒険の夜明け | PSP | 1.01 | Original | | ULJS 00550 … | |
| Ovech'i bega Овечьи бега | PC | 1.0 | Original | | | |
| Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-016 | |
| Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-015 | |
| Over 350 Solitaire Games | PC | | Original | | | |
| Over 350 Jigsaw Puzzles | PC | | Original | | 012163 | |
| Obitaemyj ostrov: Zemlyanin Обитаемый остров: Землянин | PC | | Original | | | |
| Obitaemyj ostrov: Chuzhoj sredi chuzhix Обитаемый остров: Чужой среди чужих | PC | | Original | | | |
| Obitaemyj ostrov Обитаемый остров | PC | | Original | | | |
| Obitel' t'my: Sumerki Обитель тьмы: Сумерки | PC | 1.1 | Original | | | |
| Omerta: Chinmoku no Okite: The Legacy オメルタ ~沈黙の掟~ THE LEGACY | PSP | 1.01 | Shokai Goukaban | | ULJM 06393 | |
| Omega Boost オメガ・ブースト | PSX | | Taikenban | | PAPX 90080 | |
| Otogi O・TO・GI ~御伽~ | XBOX | | Original | | FS-002 | |
| Oyunlarla Dil Bilgisi Oyunlarla Matematik | PC | | Original | | | |
| Ouran Koukou Host Club 桜蘭高校ホスト部 | PS2 | 1.01 | Original | | SLPM 66738 | |
| Ochazukenori: Kaiki!! Mushi Danshaku no Yakata 御茶漬海苔 怪奇!!蟲男爵の館 | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 1) (Igrovoj) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 4) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 3) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 2) Onimusha: Путь самурая | PC | | Original | | | |
| Oh-chan no Oekaki Logic 2 おーちゃんのお絵かきロジック2 | PSX | | Original | | SLPS 00345 | |
| Obliterate | PS2 | 1.01 | Original | | SLES-53355 … | |
| Olimpiada Zimowa 2002 Olimpijskie Zmagania 2002 | PC | | Original | | | |
| 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 | | | |
| O.D.T. | PC | | Original | | | |
| Operation Barbarossa: The Struggle for Russia | PC | | Original | | | |
| Othello CD-ROM | PC | | Original | | | |
| Othello | PC | | Original | | | |
| Oil Tycoon | PC | 1.0 | Original | | | |
| Ore no Ryouri 俺の料理 | PSX | | Taikenban | | PAPX 90089 | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| Outbreaker | PC | | Original | | | |
| Ogallala: Das Kartenspiel für PC | PC | | Original | | ECD000799D 00031111-001 | |
| Outrage | PC | | Original | | | |
| 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 | |
| Onible'jd Ониблэйд | PC | | Original | | | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Obsidian (Disc 5) オブシディアン | PC | 1.0 | Original | | INR-1003 | |
| Obsidian (Disc 4) オブシディアン | PC | 1.0 | Original | | INR-1003 | |
| Obsidian (Disc 3) オブシディアン | PC | 1.0 | Original | | INR-1003 | |
| Obsidian (Disc 2) オブシディアン | PC | 1.0 | Original | | INR-1003 | |
| Obsidian (Disc 1) オブシディアン | PC | 1.0 | Original | | INR-1003 | |
| Oynayarak Ogreniyorum 1 Oynayarak Öğreniyorum 1 | PC | | Original | | | |
| Obsidian | PC | 1.0 | Demo | | | |
| Obsidian (Disc 5) 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 3) オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian (Disc 2) オブシディアン | PC | | Original | | INR-1002 | |
| Obsidian (Disc 1) オブシディアン | PC | | Original | | INR-1003 | |
| The Orange Box (Disc 2) | PC | | Original | | | |
| The Orange Box (Disc 1) | PC | | Original | | | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLJM 60152 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original, Platinum | | SLES-11480 … | |
| Overboard! | PSX | | Original, 1998 4 PlayStation Multi Pack | | SLES-00865 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original, Platinum | | SLES-01480 … | |
| Oretachi ni Tsubasa wa Nai 俺たちに翼はない | PS3 | 01.01 | Original | | BLJM 61018 | |
| Oddworld: Abe's Exoddus (Install) | PC | 2.0 | Original | | 04-15993CD1 | |
| Oddworld: Abe's Exoddus (Play) | PC | | Original | | 04-15993CD2 | |
| Operaciya "Plastilin" (Disc 1) Операция "Пластилин" | PC | | Original | | | |
| Official Xbox Magazine Game Disc 12 | XBOX | | | | IM-011 | |
| Official Xbox Magazine Game Disc 10 | XBOX | | | | IM-009 | |
| Outlast: A Reading for Information Game | PC | | Original | | HH824 | |
| Oudou Yuusha 王道勇者 | PC | | Original | | ALS-0029 | |
| 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 | | | |
| Oddworld: L'Odyssée d'Abe | PSX | | Original, Best of Infogrames | | SLES-00838 … | |
| Outcast | PC | | Original | | | |
| Open Season (Disc 3) | PC | 1.00 | Original | | 5004904-CD 3 | |
| Open Season (Disc 2) | PC | 1.00 | Original | | 5004904-CD 2 | |
| One Piece: Grand Battle! 3 ONE PIECE ~グランド・バトル!3~ | GC | | Original | | DL-DOL-GOGJ-JPN | |
| Opel IAA '99 (Disc 2) (Opel Highlights) | PHOTO-CD | | Original | | | |
| Opel IAA '99 (Disc 1) (Model Range) | PHOTO-CD | | Original | | | |
| Opel Vectra '99 | PHOTO-CD | | Original | | | |
| Opel IAA '97 | PHOTO-CD | | Original | | | |
| Opel Corsa '97 | PHOTO-CD | | Original | | | |
| Official PlayStation Magazine Issue 79: January 2013 | PS3 | 01.03 | | | BCED-01574 | |
| Official PlayStation Magazine Issue 82: April 2013 | PS3 | 01.00 | | | BCED-01817 | |
| Official PlayStation Magazine Issue 78: Christmas 2012 | PS3 | 01.00 | | | BCED-01573 | |
| One Piece: Kaizoku Musou 2 One Piece 海賊無雙 2 | PS3 | 01.00 | Original | | BLAS 50597 | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| Oumagatoki 2 逢魔が時2 | PSX | | Original | | SLPS 03272 | |
| Oumagatoki 逢魔が時 | PSX | | Original, PSone Books | | SLPS 03235 … | |
| On Air | PC | | Original | | BROWNIE 990201 | |
| The Orange Box (Disc 1) | PC | | Original | | VAX07705811D | |
| Omerta: City of Gangsters | XBOX360 | | Original | | KY-2021 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Red River | PS3 | 01.02 | Original, Codemasters the Best | | BLJM 60361 … | |
| OnHand Sports Games / Sega Swirl Lite | PALM | PDA105-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA105-01 | |
| Official Xbox Magazine Game Disc 50 | XBOX | | Original | | IM-050 | |
| Official Xbox Magazine Game Disc 45 | XBOX | | Original | | IM-045 | |
| Official Xbox Magazine Game Disc 43 | XBOX | | Original | | IM-043 | |
| Official Xbox Magazine Game Disc 39 | XBOX | | Original | | IM-039 | |
| Official Xbox Magazine Game Disc 29 | XBOX | | Original | | IM-029 | |
| OnHand Complete Astrologer OnHand Complete Astrologer: Horoscopes & More! | PALM | PDA108-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA108-01 | |
| Ore no Imouto ga Konna ni Kawaii wake ga Nai Portable 俺の妹がこんなに可愛いわけがない ポータブル | PSP | 1.01 | Original, Limited Edition | | ULJS 00356 … | |
| Outpost | PC | | SierraOriginals | | S4941220Z12Z2 | |
| Ore no Shikabane o Koete Yuke 俺の屍を越えてゆけ | PSP | 1.01 | Original, Fukkatsu Kinen Genteiban | | UCJS 10116 … | |
| Onikiri-den 鬼斬伝 | PC | | Original | | ZEUS-00001 | |
| Official Xbox Magazine Game Disc 05 | XBOX | | Original | | IM-005 | |
| Official Xbox Magazine Game Disc 04 | XBOX | | Original | | IM-004 | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | PBPX-95242 | |
| Over G Fighters | XBOX360 | | Original | | TI-2001 | |
| Onechanbara: Bikini Samurai Squad | XBOX360 | | Original | | DP-2026 | |
| Oyaji Hunter Mahjong おやじハンター・マージャン | 3DO | | Original, Sample | | IMP-SF0703 | |
| Open Season (Disc 1) | PC | 1.00 | Original | | | |
| One | PSX | | Demo | | SLED-01170 | |
| Oh's Talk English (Disc 2) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46083 | |
| Oh's Talk English (Disc 1) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46082 | |
| Oddworld: Abe's Exoddus: UK Packaging | MAC | | Art Assets | | | |
| Oddworld: Abe's Exoddus: US Manual | MAC | | Art Assets | | | |
| Official Xbox Magazine Game Disc 09 | XBOX | | Original | | IM-008 | |
| Odin Sphere 오딘 스피어 | PS2 | 1.00 | Sample | | SCKA 20107 | |
| Overwatch | PC | | Origins Edition | | | |
| Overwatch | PC | | Game of the Year Edition, Legendary Edition | | 73052010US, S7302210 | |
| Official Xbox Magazine Game Disc 28 | XBOX | | Original | | IM-028 | |
| Orgazumi (Disc 2) オーガズミー | PC | | Original | | FCG014 | |
| Orgazumi (Disc 1) オーガズミー | PC | | Original | | FCG013 | |
| Orgaslave (Side-2) オルガスレイブ | PC | | Original | | H PT 003-2 | |
| Orgaslave (Side-1) オルガスレイブ | PC | | Original | | H PT 003-1 | |
| The Oregon Trail | PC | 1.22 | Smart Saver | | ORT844AE-CD | |
| 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 | |
| Out of This World | 3DO | RE | 3DO Maniac Pack | | | |
| Oni | PC | 1.0 | Covermount | | | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
| Osouji Sentai Clean Keeper H お掃除戦隊 くりーんきーぱーはいぱーH | PS2 | 1.01 | Original | | SLPM 55220 | |
| Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A | |
| 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 | |
| Operation Flashpoint: Gold Upgrade Operace Flashpoint: Gold Upgrade | PC | | Original | | | |
| ODN Palm Power Pack | PALM | | Original | | | |
| Opowieści z Narnii: Książe Kaspian | PC | | Covermount | | | |
| The Orion Conspiracy | PC | 1.01 | Original | | | |
| Open Season (Disc 1) | PC | 1.00 | Original | | 5004904-CD 1 | |
| Opsys | PC | | Original | | | |
| Olympic Games | 3DO | | Bundled with Magazine (Demo) | | | |
| Ore no Shita de Agake 俺の下で AGAKE | PS2 | 1.01 | Original | | SLPS 25796 | |
| Otome wa Boku ni Koishiteru 乙女はお姉さまに恋してる | PS2 | 1.05 | Original | | SLPM 66165 | |
| Operaciya "Barbarossa" Операция "Барбаросса" | PC | | Original | | | |
| Operaciya "Blau" Операция "Блау" | PC | | Original | | | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLES-50062 | |
| Oceans Below | 3DO | | Original | | | |
| Ore no Imouto ga Konna ni Kawaii Wake ga Nai Portable ga Tsuzuku Wake ga Nai (Disc 2) 俺の妹がこんなに可愛いわけがない ポータブル が続くわけがない | PSP | 1.00 | Original, PSP the Best, Tokusou-ban | | ULJS 00491 … | |
| Ore no Imouto ga Konna ni Kawaii Wake ga Nai Portable ga Tsuzuku Wake ga Nai (Disc 1) 俺の妹がこんなに可愛いわけがない ポータブル が続くわけがない | PSP | 1.00 | Original, PSP the Best, Tokusou-ban | | ULJS 00490 … | |
| Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball 아웃로 발리볼 | XBOX | | Original | | SS-003 | |
| Open Season | XBOX | | Original | | US-097 | |
| Origami | CDI | | Original | | 810 0041 | |
| Ontdek de Interactieve Wereld van Neckermann | CDI | | Original | | | |
| The Oregon Trail | PC | 1.2 | Original | | #HCD706 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.2 | Original | | OTA744BE-CD3 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.2 | Original | | OTA744BE-CD2 | |
| Optimum Resource Sampler | PC | | Original | | | |
| Opening Night: Behind The Scenes | PC | 1.0 | Original | | #HCD646B | |
| Opening Night | PC | 1.0 | Original | | #HCD646A | |
| ODS Robot Challenge | PC | | Original | | | |
| Omgaan met Steriele Medische Hulpmiddelen | CDI | | Demo | | | |
| Omgaan met Steriele Medische Hulpmiddelen Omgaan met Steriele Medische Hulp-Middelen | CDI | | Original | | | |
| The Oregon Trail | PC | 1.1 | Original | | #HCD606 | |
| Omar Sharif Bridge | PC | 1.0 | Original | | | |
| Optimum Resource Sampler | PC | | Rerelease | | | |
| Ozzie's World | PC | | Original | | | |
| Official Xbox Magazine Game Disc 20 | XBOX | | Original | | IM-020 | |
| Official Xbox Magazine Game Disc 49 | XBOX | | Original | | IM-049 | |
| Official Xbox Magazine Game Disc 47 | XBOX | | Original | | IM-047 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2003 | XBOX | | Original | | IM-017 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0.0.4 | Game of the Year Edition (Covermount) | | | |
| Ojousama Sousamou お嬢様捜査網 | PC-FX | | Original | | FXNHE616 | |
| Ouka: Kokoro Kagayakaseru Sakura 桜華 ~心輝かせる桜~ | PS2 | 1.01 | Original | | SLPM 66406 | |
| Ohio Distinctive Software Vol. I | PC | | | | | |
| Oceans Below The Software Toolworks Presents ... Oceans Below | MAC | | Original | | 2198620-590001 / I 073100, CDRM1103420 | |
| Oregano Oregano: RISC OS Web Browser | ARCH | | Original | | | |
| Overlord | PC | 1.2 | Original | | | |
| One-derful Theater ONEだふるシアター | X68K | | | | | |
| Oh Yes... More Worms! Volume 1 | ACD | | Original | | | |
| Official Xbox Magazine Game Disc 48 | XBOX | | Original | | IM-048 | |
| Official Xbox Magazine Game Disc 46 | XBOX | | Original | | IM-046 | |
| Official Xbox Magazine Game Disc 44 | XBOX | | Original | | IM-044 | |
| Official Xbox Magazine Game Disc 07 | XBOX | | Original | | IM-007 | |
| Oregon Trail II: 25th Anniversary Limited Edition | PC | 1.3 | Original, SoftKey | | #OTR744AE-CD | |
| Operaciya "Plastilin" (Disc 2) Операция "Пластилин" | PC | | Original | | | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 109 | XBOX360 | | | | IM-2155 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 106 | XBOX360 | | | | IM-2152 | |
| The Official Xbox Magazine: Australia & New Zealand: Issue 101 | XBOX360 | | | | IM-2147 | |
| Oh!X 2001 Spring Special CD-ROM | X68K | | | | | |
| Oh!X 2000 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Oh!X 1999 Summer Special CD-ROM | X68K | | | | | |
| Oh!X 1999 Spring Special CD-ROM (Part 2) (Sampler Disc) | X68K | | | | | |
| Oh!X 1999 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Oh!X 1998 Spring Special CD-ROM (Part 2) (Sampler Disc) | X68K | | | | | |
| Oh!X 1998 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Off-World Interceptor | 3DO | | Original | | | |
| Overlord: Raising Hell | PC | 1.3 | Original | | | |
| Open Season | XBOX360 | | Original | | US-2024 | |
| Oh!X 2000 Spring Special CD-ROM (Part 2) | X68K | | | | | |
| 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 | | | |
| Otorva v shkole Оторва в школе | PC | | Original | | | |
| Orda: Severnyj veter Орда: Северный ветер | PC | | Original | | | |
| 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 | |
| Ovation | ARCH | 1.48S | | | 00139 | |
| Oilman オイルマン | 3DO | | Hibaihin | | OIL-9610 | |
| Ooedo Fuusui Ingaritsu: Hanabi 2 大江戸風水因果律 花火2 | PSX | | Original | | SLPS 02814 | |
| Oujisama Lv1 王子さまLv1 | PSX | | Original | | SLPS 03412 | |
| Oujisama Lv1 王子さまLv1 | PC | | Original | | | |
| Ongaku Tkool 3 音楽ツクール3 | PSX | | Original | | SLPS 03161 | |
| Omizu no Hanamichi お水の花道 | PSX | | Original | | SLPS 02815 | |
| Oh No! オーノー! | PSX | | Original | | SLPS 02764 | |
| 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 | |
| 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 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Op Jacht naar Vernuft | CDI | | | | | |
| Otostaz 蓋蓋樂 | PS2 | 1.00 | Original | | SCPS 55023 | |
| 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 | |
| One Piece: Grand Battle! 3 ONE PIECE グランドバトル!3 | PS2 | 1.02 | Original | | SLPS 25315 | |
| 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 | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLUS-00190 | |
| Ozzie's World オジィーズワールド | PC | | Original | | ASOW-71110 | |
| Oblachno, vozmozhny osadki v vide frikadelek Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 | |
| OverBlood 2 (Disc 1) オーバーブラッド2 | PSX | | Original | | SLPS 01261 | |
| OverBlood オーバーブラッド | PSX | | Major Wave | | SLPM 86641 | |
| Das Offizielle PlayStation 2 Magazin 09/2004 OPS2M Uncut Edition 09/04 | PS2 | 1.02 | | | SCED-52089 … | |
| Offensive Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | | |
| Das Offizielle PlayStation 2 Magazin 12/2003 ops2m demo uncut edition 12/2003 | PS2 | 1.00 | | | SCED-51936 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Original, Mega Hits! | | SLPM 65101 … | |
| Over Drivin' DX オーバードライビンDX | PSX | | Original | | SLPS 00327 | |
| 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 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Shokai Press-ban | | SLPM 65100 | |
| Out Live: Be Eliminate Yesterday アウトライブ Be Eliminate Yesterday | PSX | | Original | | SLPS 00746 | |
| Oracle no Houseki: Jewels of the Oracle オラクルの宝石 Jewels of the Oracle | PSX | | Original | | SLPS 00240 | |
| 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 | |
| Outpost | PC | | Original | | S 390121012ZZZ | |
| 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 | |
| Oujisama Lv1.5: Oujisama no Tamago 王子さまLv1.5 ~王子さまのたまご~ | PSX | | Original | | SLPS 03534 | |
| Osaka Naniwa Matenrou 大阪ナニワ摩天楼 | PSX | | Original | | SLPS 02013 | |
| Official Xbox Magazine Game Disc 46 | XBOX | | Original | | IM-046 | |
| Oksfordzka Encyklopedia Historii Świata. Tom II | PC | | Covermount | | SELL 0108 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time To Kill + B-Movie | PSX | | Demo | | SLED-01608 | |
| Operation Darkness オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 | |
| Oozora ni Kodawarou! Minna no Kuukou 2 大空にこだわろう! みんなの空港2 | PC | | | | | |
| Operation Thunderstorm | PC | 1.0 | Original | | | |
| Official Xbox Magazine Game Disc 73 | XBOX360 | | | | IM-2052 | |
| Official Xbox Magazine Game Disc 109 | XBOX360 | | | | IM-2145 | |
| Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-214 | |
| 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 | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 | |
| Orly's Draw-A-Story | PC | | Original | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2002 | XBOX | | Original | | IM-001 | |
| Oz: The Magical Adventure | PC | | Original | | | |
| Open Universiteit: Practicum Toxicologische Histopathologie Open University: Practical Toxicological Histopathology | CDI | | Original | | 4589 | |
| Off Road | PSP | 1.01 | Original | | ULES-00963 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| One Piece: Pirate Warriors | PS3 | 01.01 | Original | | BLES-01672 … | |
| Outlaws (Disc 2) | PC | | Original | | | |
| Outlaws (Disc 1) | PC | | Original | | | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| OptImage CD-I 220 Adjustment Disc | CDI | | Original | | | |
| Official Xbox Magazine Game Disc 55 | XBOX | | Original | | IM-217 | |
| Operation Flashpoint: Elite | XBOX | | Original | | CM-090 | |
| OptImage CD-I Starter System: Sampler Disc: Version 1.1 | CDI | | | | | |
| Outward | PC | | Day One Edition | | 1024669LAINT, 103699 | |
| Obut Pétanque 2 | XBOX360 | | Original | | W6-2008 | |
| One Piece: Kaizoku Musou 2 ワン・ピース ~海賊無双2~ | PS3 | 01.02 | Treasure Box | | BLJM 60572 | |
| Official Xbox Magazine Game Disc 11 | XBOX | | Original | | IM-010 | |
| The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144BE-CD | |
| Official Xbox Magazine Game Disc 41 | XBOX | | Original | | IM-041 | |
| Official Xbox Magazine Game Disc 38 | XBOX | | Original | | IM-038 | |
| Official Xbox Magazine Game Disc 26 | XBOX | | Original | | IM-026 | |
| Official Xbox Magazine Game Disc 40 | XBOX | | Original | | IM-040 | |
| De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 | |
| Oretachi Geesen Zoku: Pooyan オレたちゲーセン族 プーヤン | PS2 | 1.01 | Original | | SLPM 62731 | |
| Official PlayStation Magazine Issue 73: August 2012 | PS3 | 01.01 | | | BCED-01568 | |
| Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 | |
| Ostrov Nanda Остров Нанда | PC | 1.000 | Original | | | |
| Oddworld: Abe's Oddysee | PSX | Rev 2 | Greatest Hits | | SLUS-00190 | |
| Oretachi Geesen Zoku: Terra Cresta オレたちゲーセン族 テラクレスタ | PS2 | 1.04 | Original | | SLPM 62661 | |
| Ore no Yome: Anata dake no Hanayome 俺の嫁 ~あなただけの花嫁~ | XBOX360 | | Original | | IF-2008 | |
| Official Xbox Magazine Game Disc 35 | XBOX | | Original | | IM-035 | |
| Official Xbox Magazine Game Disc 33 | XBOX | | Original | | IM-033 | |
| Official Xbox Magazine Game Disc 31 | XBOX | | Original | | IM-031 | |
| Official Xbox Magazine Game Disc 25 | XBOX | | Original | | IM-025 | |
| Official Xbox Magazine Game Disc 23 | XBOX | | Original | | IM-023 | |
| Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-017 | |
| Official Xbox Magazine Game Disc 10 | XBOX | | Original | | IM-010 | |
| Okashina Mother Goose: Mixed-Up Mother Goose おかしなマザー・グース | FMT | | Original | | HMB-235 | |
| Off-World Interceptor 혹성질주 | 3DO | | Original | | GDT-GA241 | |
| Onimusha Buraiden 鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 | |
| Oretachi Geesen Zoku: Crazy Climber オレたちゲーセン族 クレイジー・クライマー | PS2 | 1.01 | Original | | SLPM 62627 | |
| Oretachi Geesen Zoku: Sonic Wings オレたちゲーセン族 ~ソニックウィングス~ | PS2 | 1.01 | Original | | SLPM 62646 | |
| Official Xbox Magazine Game Disc 13 | XBOX | | Original | | IM-012 | |
| Official Xbox Magazine Game Disc 14 | XBOX | | Original | | IM-013 | |
| Official Xbox Magazine Game Disc 18 | XBOX | | Original | | IM-017 | |
| Official Xbox Magazine Game Disc 20 | XBOX | | Original | | IM-019 | |
| Official Xbox Magazine Game Disc 21 | XBOX | | Original | | IM-020 | |
| Official Xbox Magazine Game Disc 19 | XBOX | | Original | | IM-018 | |
| Official Xbox Magazine Game Disc 23 | XBOX | | Original | | IM-024 | |
| Official Xbox Magazine Game Disc 21 | XBOX | | Original | | IM-021 | |
| Official Xbox Magazine Game Disc 12 | XBOX | | Original | | IM-012 | |
| Official Xbox Magazine Game Disc 13 | XBOX | | Original | | IM-013 | |
| Official Xbox Magazine Game Disc 15 | XBOX | | Original | | IM-015 | |
| Official Xbox Magazine Game Disc 18 | XBOX | | Original | | IM-018 | |
| Official Xbox Magazine Game Disc 34 | XBOX | | Original | | IM-034 | |
| Official Xbox Magazine Game Disc 09 | XBOX | | Original | | IM-009 | |
| Official Xbox Magazine Game Disc 08 | XBOX | | Original | | IM-008 | |
| ODS Robot Challenge | PC | 5.0.1r26 | Teacher's Edition | | | |
| Outlaw Golf: Holiday Golf | XBOX | | Original | | SS-005 | |
| Oretachi Geesen Zoku: Nekketsu Kouha Kunio-kun オレたちゲーセン族 熱血硬派くにおくん | PS2 | 1.01 | Original | | SLPM 62706 | |
| Open Season (Disc 3) | PC | | Original | | 5004905-CD 3 | |
| Open Season (Disc 2) | PC | | Original | | 5004905-CD 2 | |
| The Orange Box (Disc 2) | PC | | Original | | VAD07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAD07705811D | |
| Oretachi Geesen Zoku: Trio the Punch オレたちゲーセン族 トリオ・ザ・パンチ | PS2 | 1.02 | Original | | SLPM 62745 | |
| Oretachi Geesen Zoku: Contra オレたちゲーセン族 魂斗羅 | PS2 | 1.00 | Original | | SLPM 62730 | |
| Oretachi Geesen Zoku: Rabio Lepus オレたちゲーセン族 ラビオ レプス | PS2 | 1.00 | Original | | SLPM 62707 | |
| Oretachi Geesen Zoku: Quarth オレたちゲーセン族 クォース | PS2 | 1.02 | Original | | SLPM 62704 | |
| Oretachi Geesen Zoku: Moon Cresta オレたちゲーセン族 ムーンクレスタ | PS2 | 1.01 | Original | | SLPM 62645 | |
| The Official Guide to The Daedalus Encounter: Companion Disc | PC | | Original | | | |
| Overlord | PC | | Original | | MOVL1CDEU00 | |
| Old El Paso Recipes for Family Fun | PC | | Original | | | |
| Onmyou Taisenki: Byakko Enbu 陰陽大戦記 白虎演舞 | PS2 | 1.01 | Original | | SLPS 20417 | |
| Option: Tuning Car Battle Option チューニングカーバトル | PSX | | Highlight-ban | | SLPM 80203 | |