Region | Title | System | Version | Edition | Languages | Serial | Status |
 | 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 |  |
 | Obratnyj otschet Обратный отсчет | PC | v.1 1.06.10.22 | Original | | |  |
 | Ore no Shita de Agake 俺の下であがけ | PC | System3.9 Ver.5.43 | Original | | ALB-005 |  |
 | Oshare Cooking II おしゃれクッキングⅡ | FMT | Rev B | Original | | HMA-267B |  |
 | Oshare Cooking おしゃれクッキング | FMT | Rev A | Original | | HMA-267A |  |
 | OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-12187 … |  |
 | Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA |  |
 | Option: Tuning Car Battle オプション チューニングカーバトル | PSX | Rev 1 | PlayStation the Best | | SLPS 91037 |  |
 | Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-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 | Rev 1 | Original | | RVL-RIUJ-JPN-B0 |  |
 | 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 |  |
 | Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 |  |
 | 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 |  |
 | OnHand Chess / Sega Swirl Lite | PALM | PDA103-01 | Original | | PDA103-01 |  |
 | 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 | | |  |
 | Oz: The Magical Adventure | PC | 7.0.0.198 | Rerelease | | 92785 |  |
 | ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Amazing Art Corner | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | |  |
 | The Oregon Trail: Classic Edition | PC | 3.0.1 | SoftKey | | POT144CE-CD |  |
 | The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 |  |
 | One Must Fall: Battlegrounds | PC | 2090 | Original | | |  |
 | One Must Fall: Battlegrounds | PC | 2090 | Original | | |  |
 | Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 |  |
 | One Must Fall 2097 | PC | 2.1 | The Smile Edition | | CDR3016 |  |
 | OutRun 2 | CHIHIRO | 2.000 | Original | | GDX-0004A |  |
 | Olympic Soccer | SS | 2.000 | Original | | T-7904H |  |
 | Olympic Soccer | SS | 2.000 | Original | | T-07904H-18 |  |
 | Ougon Musou Kyoku Cross 黄金夢想曲 CROSS | PC | 2.00 | Original | | |  |
 | Oddworld: Abe's Oddysee | PC | 2.0 | Channelware | | 04-15303 |  |
 | Oddworld: Abe's Oddysee | PC | 2.0 | Covermount | | IB2G-ODDI5 |  |
 | Oddworld: Abe's Exoddus (Installatie Disk) | PC | 2.0 | Budget | | MMICDR 5280 |  |
 | Oddworld: Abe's Exoddus (CD Installieren) | PC | 2.0 | Original | | |  |
 | Oddworld: Abe's Exoddus (CD Abspielen) | PC | 2.0 | Original | | |  |
 | Oxford Handbook of Clinical Medicine for PDAs: Seventh Edition | PALM | 10.0.05/2007.9.7 | | | |  |
 | Operation Flashpoint: Soprotivlenie Operation Flashpoint: Сопротивление | PC | 1.85 | | | |  |
 | Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | |  |
 | Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | |  |
 | Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 |  |
 | Oregon Trail II | PC | 1.32 | Rerelease | | #HCD744CE-CD |  |
 | 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 |  |
 | Overlord: Raising Hell | PC | 1.3 | Original | | |  |
 | Overlord: Raising Hell | PC | 1.3 | Original | | MOVLRCDEU00 |  |
 | Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.3 | The Learning Company | | OAE744BE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.3 | The Learning Company | | OAE744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.3 | The Learning Company | | OAE744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | |  |
 | Operation Neptune | PC | 1.23 | The ClueFinders: Math Ages 9-12 | | ONT744EE-CD |  |
 | The Oregon Trail | PC | 1.22 | Smart Saver | | ORT844AE-CD |  |
 | Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD |  |
 | The Oregon Trail | PC | 1.21 | | | |  |
 | Official Sega Dreamcast Magazine Vol. 10: January 2001 | DC | 1.200 | | | IGN10 |  |
 | Oregon Trail II + Logic Quest | PC | 1.2/1.0 | Original | | |  |
 | The Omega Stone: Riddle of the Sphinx II (Disc 4) | PC | 1.2.3.2 | Original | | |  |
 | The Omega Stone: Riddle of the Sphinx II (Disc 3) | PC | 1.2.3.2 | Original | | |  |
 | The Omega Stone: Riddle of the Sphinx II (Disc 2) | PC | 1.2.3.2 | Original | | |  |
 | The Omega Stone: Riddle of the Sphinx II (Disc 1) | PC | 1.2.3.2 | Original | | |  |
 | Overlord | PC | 1.2 | Original | | MOVL1CDPL00 (DVD), POVL1CDPL03 (Box) |  |
 | 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 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Original | | OTA744CE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Rerelease | | OTA744BE-CD1 |  |
 | Operation Neptun | PC | 1.2 | Original | | ONT844AW-CD |  |
 | Oficery: Special'noe izdanie Офицеры: Специальное издание | PC | 1.18.2 | Original | | |  |
 | On-Robot Он-Робот | PC | 1.14SB | 1C: Igrushki | | |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 8: Special Edition: Racing Games playstation 2 greatest hits volume 8 | PS2 | 1.10 | | | SCED-50786 |  |
 | Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | |  |
 | The Oregon Trail | PC | 1.1 | Original | | #HCD606 |  |
 | One Must Fall 2097 One Must Fall 2097 CD-ROM | PC | 1.1 | ROMWARE | | ROM 10017 |  |
 | Obscure ObsCure | PC | 1.1 | Covermount | | |  |
 | Obitel' t'my: Sumerki Обитель тьмы: Сумерки | PC | 1.1 | Original | | |  |
 | Official Sega Dreamcast Magazine Vol. 6: July 2000 | DC | 1.050 | | | IGN6 |  |
 | Les Ours Berenstain: Comme des Grands | CDI | 1.05 | | | 812 0063 |  |
 | Otome wa Boku ni Koishiteru 乙女はお姉さまに恋してる | PS2 | 1.05 | Original | | SLPM 66165 |  |
 | 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 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 |  |
 | OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | |  |
 | 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 | | |  |
 | Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 |  |
 | OutRun 2006: Coast 2 Coast | PSP | 1.03 | Original | | ULUS-10064 |  |
 | Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Love Revo Box | | SLPM 66237 |  |
 | Oretachi no Sabage Portable 俺たちのサバゲー PORTABLE | PSP | 1.03 | Original | | ULJS 00170 |  |
 | O.R.B.: Orbital'nye Resursnye Bazy О.Р.Б.: Орбитальные Ресурсные Базы | PC | 1.03 | 1C: Kollekciya igrushek | | |  |
 | Official Sega Dreamcast Magazine Vol. 8: November 2000 | DC | 1.020 | | | IGN8 |  |
 | Official Sega Dreamcast Magazine Vol. 7: September 2000 | DC | 1.020 | | | IGN7 |  |
 | Official Sega Dreamcast Magazine Vol. 4: March 2000 | DC | 1.020 | | | IGN3 |  |
 | Official Sega Dreamcast Magazine Vol. 2: November 1999 | DC | 1.020 | | | IGN1 |  |
 | Oumagatoki: Kaidan Romance 逢魔時 ~怪談ロマンス~ | PSP | 1.02 | Original | | ULJM 06039 |  |
 | 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 |  |
 | Original War (Disc 2) (GameDisc) オリジナル ウォー | PC | 1.02 | Original | | |  |
 | Original War (Disc 1) (Install Disc) オリジナル ウォー | PC | 1.02 | Original | | |  |
 | Original War (Disc 2) | PC | 1.02 | Covermount | | |  |
 | Original War (Disc 2) | PC | 1.02 | Original | | CD-W95-V006-IT2 |  |
 | Original War (Disc 1) | PC | 1.02 | Covermount | | |  |
 | Original War (Disc 1) | PC | 1.02 | Original | | CD-W95-V006-IT1 |  |
 | 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: Thunder Cross オレたちゲーセン族 サンダークロス | PS2 | 1.02 | Original | | SLPM 62744 |  |
 | Oretachi Geesen Zoku: Quarth オレたちゲーセン族 クォース | PS2 | 1.02 | Original | | SLPM 62704 |  |
 | Orange Pocket: Root オレンジポケット ~リュート~ | PS2 | 1.02 | Shokai Genteiban | | SLPM 65524 |  |
 | Orange Pocket: Root オレンジポケット ~リュート~ | PS2 | 1.02 | Original | | SLPM 65525 |  |
 | Orange Honey: Boku wa Kimi ni Koi shiteru オレンジ♥ハニー 僕はキミに恋してる | PS2 | 1.02 | Shokai Genteiban | | SLPS 25766 |  |
 | Operator's Side オペレーターズサイド | PS2 | 1.02 | Original | | SCPS 15039 |  |
 | Online Start-Up Disc v3.0 | PS2 | 1.02 | Original | | PBPX-95239 |  |
 | Onimusha Buraiden 鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 |  |
 | Omoi no Kakera: Close to 想いのかけら ‐Close to‐ | PS2 | 1.02 | 2800 Collection | | SLPM 66385 |  |
 | Official PlayStation 2 Magazine: Special Edition 2005/01 ops2m ger special 01/2005 | PS2 | 1.02 | | | SCED-53298 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 11: The World's Best PS2 Games Ever ops2m special edition 11 | PS2 | 1.02 | | | SCED-51505 |  |
 | Official Demo Disc Retail Edition February 02 official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD |  |
 | Official Sega Dreamcast Magazine Vol. 5: May 2000 | DC | 1.010 | | | |  |
 | Official Sega Dreamcast Magazine Vol. 3: January 2000 | DC | 1.010 | | | IGN2 |  |
 | The Operational Art of War II | PC | 1.01.02 | Xplosiv | | EI-1259-3 |  |
 | OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 |  |
 | Ouran Koukou Host Club 桜蘭高校ホスト部 | PS2 | 1.01 | Original | | SLPM 66738 |  |
 | Ouka: Kokoro Kagayakaseru Sakura 桜華 ~心輝かせる桜~ | PS2 | 1.01 | Original | | SLPM 66406 |  |
 | Ougon Kishi Garo 黄金騎士 牙狼 | PS2 | 1.01 | Genteiban | | SLPS 20462 |  |
 | 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 |  |
 | The Orion Conspiracy | PC | 1.01 | Original | | |  |
 | Oretachi Geesen Zoku: Yie Ar Kung Fu オレたちゲーセン族 イー・アル・カンフー | PS2 | 1.01 | Original | | SLPM 62696 |  |
 | 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 |  |
 | Oretachi Geesen Zoku: Scramble オレたちゲーセン族 スクランブル | PS2 | 1.01 | Original | | SLPM 62626 |  |
 | 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 |  |
 | 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 |  |
 | Ore no Shita de Agake 俺の下で AGAKE | PS2 | 1.01 | Original | | SLPS 25796 |  |
 | Ooedo Senryoubako 大江戸千両箱 | PSP | 1.01 | Original | | ULJM 05099 |  |
 | Onore no Shinzuru Michi o Yuke 己の信ずる道を征け | PSP | 1.01 | Original | | ULJM 05465 |  |
 | Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.01 | Bundled with PS2 | | PBPX 95248 |  |
 | One Piece: Pirates Carnival 원피즈 해적카니발 | PS2 | 1.01 | Original | | SLKA 25351 |  |
 | 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 |  |
 | 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 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 |  |
 | Omerta: Chinmoku no Okite: The Legacy オメルタ ~沈黙の掟~ THE LEGACY | PSP | 1.01 | Shokai Goukaban | | ULJM 06393 |  |
 | Ojousama Kumikyoku: Sweet Concert お嬢様組曲 -Sweet Concert- | PS2 | 1.01 | Special Pack-ban | | SLPM 66726 |  |
 | Offroad Extreme! | PS2 | 1.01 | Original | | SLES-52751 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 16: Buyers Guide ops2m special edition 16 | PS2 | 1.01 | | | SCED-51545 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 12: PlayStation 2 Blockbusters! ops2m special edition 12 | PS2 | 1.01 | | | SCED-51541 |  |
 | Official PlayStation 2 Magazine Demo 83 ops2m germany 2007/03 | PS2 | 1.01 | | | SCED-54692 |  |
 | Official PlayStation 2 Magazine Demo 82 ops2m germany 02-2007 | PS2 | 1.01 | | | SCED-54642 |  |
 | Off Road | PS2 | 1.01 | Original | | SLES-55032 |  |
 | Ocean Commander | PS2 | 1.01 | Original | | SLES-55047 |  |
 | Obscure ObsCure | PS2 | 1.01 | Original | | SLES-53322 |  |
 | Obscure ObsCure | PS2 | 1.01 | Original | | SLES-52508 |  |
 | 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 |  |
 | Outtrigger アウトトリガー | DC | 1.008 | Original | | HDR-0118 |  |
 | The Operative: No One Lives Forever (Disc 1) (Game Disc) | MAC | 1.004 | MacPlay | | |  |
 | 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 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 |  |
 | Outtrigger | DC | 1.003 | Original | | 51102 |  |
 | Ojousama o Nerae!! お嬢様を狙え!! | SS | 1.003 | Original | | T-38101G |  |
 | Olympic Soccer オリンピックサッカー | SS | 1.002 | Original | | T-7304G |  |
 | 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 |  |
 | Outtrigger | DC | 1.001 | Original | | MK-51102-50 |  |
 | Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 ~Memories Off~ | DC | 1.001 | Original | | T-19718M |  |
 | Ostrov Nanda Остров Нанда | PC | 1.000 | Original | | |  |
 | Oogami Ichirou Funtou-ki: Sakura Taisen Kayou Show "Beni Tokage" yori (Disc 2) 大神一郎奮闘記 ~サクラ大戦歌謡ショウ「紅蜥蜴」より~ | DC | 1.000 | Original | | HDR-0057 |  |
 | Oogami Ichirou Funtou-ki: Sakura Taisen Kayou Show "Beni Tokage" yori (Disc 1) 大神一郎奮闘記 ~サクラ大戦歌謡ショウ「紅蜥蜴」より~ | DC | 1.000 | Original | | HDR-0057 |  |
 | Official Sega Dreamcast Magazine Vol. 9: December 2000 | DC | 1.000 | | | IGN9 |  |
 | Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H |  |
 | 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 |  |
 | Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H-50 |  |
 | OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 |  |
 | 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: Nekketsu Koukou Dodgeball-bu オレたちゲーセン族 熱血高校ドッジボール部 | PS2 | 1.00 | Original | | SLPM 62705 |  |
 | 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: Burger Time オレたちゲーセン族 バーガータイム | PS2 | 1.00 | Original | | SLPM 62695 |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original | | SLES-53713 |  |
 | Operation Wolf オペレーション・ウルフ | FMT | 1.00 | Ving Vol. 3 | | HMB-126 |  |
 | Onsen Ryokou Kakumei: Ich liebe dich.! 温泉旅行革命 ~Ich liebe dich.!~ | PC | 1.00 | Original | | RUCCA-003 |  |
 | Only You: Sekai no Namida to Shoujo no Hanashi: Prelude Only You -世界の涙と少女のハナシ- Prelude | PC | 1.00 | Trial Edition version:share II | | |  |
 | Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX-95246 |  |
 | Onimusha: Warlords | PS2 | 1.00 | Original | | SLPM 67507 |  |
 | Onimusha 2: Samurai's Destiny 鬼武者2 PAL | PS2 | 1.00 | Beta | | SLES-50978 |  |
 | One Piece: Round the Land! 원피스 라운드 더 랜드! | PS2 | 1.00 | Original | | SLKA 25208 |  |
 | One Piece: Round the Land! | PS2 | 1.00 | Original | | SLES-52731 |  |
 | One Piece: Grand Battle! Rush 원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 |  |
 | One Piece: Grand Adventure 원피스: 그랜드 배틀 어드벤처 | PS2 | 1.00 | Original | | SLKA 25388 |  |
 | On the Ball: World Cup Edition | PC | 1.00 | Original | | |  |
 | Offroad Extreme! Special Edition | PS2 | 1.00 | Original | | SLES-54109 |  |
 | Official PlayStation 2 Magazine: Winter 2006 ops2 ger winter 2006 | PS2 | 1.00 | | | SCED-54558 |  |
 | Official PlayStation 2 Magazine: Kids Special OPS2 Ger Kids Special/DEM/GER | PS2 | 1.00 | | | SCED-53611 |  |
 | Official PlayStation 2 Magazine-UK Special Edition: Yearbook 2002 Best PS2 Games Ever 10 | PS2 | 1.00 | | | SCED-51389 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 15: Summer Blockbusters! ops2m special edition 15 | PS2 | 1.00 | | | SCED-51544 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 6: Special Edition: Awards 2002 playstation2 greatest hits volume 6 | PS2 | 1.00 | | | SCED-50783 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 5: Special Edition: Action Heroes playstation2 greatest hits volume 5 | PS2 | 1.00 | | | SCED-50784 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 2: Special Edition: A-Z of PS2 best ps2 games ever 2 demo | PS2 | 1.00 | | | SCED-50162 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 1: Special Edition: Buyers Guide playstation2 greatest hits: vol 1 | PS2 | 1.00 | | | SCED-50161 |  |
 | Official PlayStation 2 Magazine French Christmas Special Demo ops2m french christmas special demo | PS2 | 1.00 | | | SCED-53854 |  |
 | Official PlayStation 2 Magazine Demo 81 ops2m demo 81 spa/por | PS2 | 1.00 | | | SCED-54603 |  |
 | Official PlayStation 2 Magazine Demo 77 ops2m germany 10-2006 | PS2 | 1.00 | | | SCED-54056 |  |
 | Official PlayStation 2 Magazine Demo 37 PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 |  |
 | Official PlayStation 2 Magazine Demo 32 PlayStation 2 Revista Oficial: Portugal 9 | PS2 | 1.00 | | | SCED-51657 |  |
 | Off-Road: Wide Open Test Drive Off-Road: Wide Open | PS2 | 1.00 | Original | | SLES-50232 |  |
 | Odin Sphere | PS2 | 1.00 | Trade Demo | | SLUS-28065 |  |
 | Odin Sphere 오딘 스피어 | PS2 | 1.00 | Sample | | SCKA 20107 |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | PS2 | 1.00 | Original | | SLUS-21709 |  |
 | Obscure ObsCure | PS2 | 1.00 | Original | | SLES-52737 |  |
 | Oblachno, vozmozhny osadki v vide frikadelek Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 |  |
 | Obsidian: Alla Frontiera della Logica (Disc 5) | PC | 1.0.001 | Original | | |  |
 | Obsidian: Alla Frontiera della Logica (Disc 4) | PC | 1.0.001 | Original | | |  |
 | Obsidian: Alla Frontiera della Logica (Disc 3) | PC | 1.0.001 | Original | | |  |
 | Obsidian: Alla Frontiera della Logica (Disc 2) | PC | 1.0.001 | Original | | |  |
 | Obsidian: Alla Frontiera della Logica (Disc 1) | PC | 1.0.001 | Original | | |  |
 | 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 |  |
 | The Outforce | PC | 1.0.0.0 | Original | | |  |
 | Overlord II | PC | 1.0 | Original | | MOVL2CDUS00 |  |
 | Overlord | PC | 1.0 | Original | | MOVL1CDFC00 |  |
 | 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 |  |
 | Outer Ridge | PC | 1.0 | Original | | SPI004 |  |
 | The Oregon Trail | PC | 1.0 | Original | | |  |
 | Oregon Trail II | PC | 1.0 | Original | | |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Scholastic | | 380859-CD WP2 |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859A-CD |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD |  |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 |  |
 | Operation Thunderstorm | PC | 1.0 | Original | | |  |
 | Operation Flashpoint: Red River | PC | 1.0 | Original | | MOFP3CDEU00 |  |
 | Operation Flashpoint: Dragon Rising | PC | 1.0 | Original | | MOFP2CDEU00 |  |
 | Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 |  |
 | OMSI Add-on: Wien: Der Hochflurbus LU 200 | PC | 1.0 | OMSI Bundle | | |  |
 | Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | |  |
 | Oil Platform Simulator | PC | 1.0 | Original | | |  |
 | Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | |  |
 | Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | |  |
 | 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 |  |
 | Obscure (Disc 5) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 4) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 3) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 2) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 1) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure ObsCure | PC | 1.0 | Original | | 719 02 102 |  |
 | Obscure (Disc 4) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 3) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 2) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 1) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Oblivious Garden: Carmina Burana (Disc 1) (Game Disk) | PC | 1.0 | Standard Edition | | |  |
 | O.R.B: Off-World Resource Base | PC | 1.0 | Original | | 22434CD |  |
 | The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Rerelease | | OTF744CE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Original | | OTF744AE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 |  |
 | Orly Pervoj mirovoj Орлы Первой мировой | PC | 02.19.07 | Original | | |  |
 | Order Up!! | PS3 | 01.04 | Original | | BLES-01470 |  |
 | Oneechanbara Z: Kagura with NoNoNo! お姉チャンバラZ~カグラ~ With NoNoNo! | PS3 | 01.03 | Original | | BLJS 10221 |  |
 | Official PlayStation Magazine Issue 79: January 2013 | PS3 | 01.03 | | | BCED-01574 |  |
 | Order Up!! | PS3 | 01.02 | Original | | BLUS-30904 |  |
 | 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 |  |
 | Operation Flashpoint: Dragon Rising 오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 |  |
 | One Piece: Pirate Warriors | PS3 | 01.01 | Original | | BLES-01672 … |  |
 | Official PlayStation Magazine Issue 64: December 2011 | PS3 | 01.01 | | | BCED-01206 |  |
 | Of Orcs and Men | PS3 | 01.01 | Original | | BLES-01586 |  |
 | Overlord: Raising Hell | PS3 | 01.00 | Original | | BLES-00257 |  |
 | The Orange Box | PS3 | 01.00 | Original | | BLES-00172 |  |
 | One Piece: Pirate Warriors 3 | PS3 | 01.00 | Original | | BLES-02140 |  |
 | One Piece: Pirate Warriors + One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-02131 |  |
 | Official PlayStation Magazine Issue 82: April 2013 | PS3 | 01.00 | | | BCED-01817 |  |
 | Official PlayStation Magazine Issue 81: March 2013 | PS3 | 01.00 | | | BCED-01576 |  |
 | Official PlayStation Magazine Issue 78: Christmas 2012 | PS3 | 01.00 | | | BCED-01573 |  |
 | Official PlayStation Magazine Issue 76: November 2012 | PS3 | 01.00 | | | BCED-01571 |  |
 | Official PlayStation Magazine Issue 65: Christmas 2011 | PS3 | 01.00 | | | BCED-01207 |  |
 | Official PlayStation Magazine Issue 35: September 2009 | PS3 | 01.00 | | | BCED-00434 |  |
 | Official PlayStation Magazine Issue 27: January 2009 | PS3 | 01.00 | | | BCED-00426 |  |
 | 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 | 01.00 | Original | | BLES-02241 |  |
 | Official Sega Dreamcast Magazine Vol. 11: February 2001 | DC | 0.500 | | | |  |
 | Ozzie's World | PC | | Original | | |  |
 | Ozzie's World オジィーズワールド | PC | | Original | | ASOW-71110 |  |
 | Ozaki Yutaka: Eyes: "Hakushi no Sanran" Yori 尾崎 豊 eyes「白紙の散乱」より | PHOTO-CD | | | | CAT.908753-7 |  |
 | 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 | | |  |
 | Oyungezer: Mart 2010 | PC | | | | |  |
 | 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 |  |
 | The Oxfordshire Golf Club | PC | | Original | | EAE05101006D |  |
 | Overwatch | PC | | Origins Edition | | 052429 |  |
 | De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 |  |
 | OverTop オーバートップ | NGCD | | Original | | ADCD-011 |  |
 | Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA |  |
 | Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR |  |
 | Overlord II | XBOX360 | | Beta | | CM-2058 |  |
 | Overlord II | PC | | Preview Code | | |  |
 | Overlord II | PC | | Original | | |  |
 | Overlord II | PC | | Original | | MOVL2CDEU00 |  |
 | Overlord | XBOX360 | | Beta | | CM-2005 |  |
 | Overlord | XBOX360 | | Beta | | CM-2005 |  |
 | Overlord | XBOX360 | | Original | | CM-2005 |  |
 | Overlord BGamer 153 (Side A) | PC | | Covermount | | |  |
 | Overlord | PC | | Original | | MOVL1CDEU00 |  |
 | OverKill | PC | | ROMWARE | | ROM 10 007 |  |
 | Overboard! | PC | | Dice | | DCG 005752, DMM 005776 |  |
 | OverBlood 2: The "East Edge" File オーバーブラッド2 -The "East Edge" File- | PSX | | Premium Disc | | SLPM 80270 |  |
 | OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11879 |  |
 | OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01879 |  |
 | OverBlood オーバーブラッド | PSX | | Major Wave | | SLPM 86641 |  |
 | OverBlood | PSX | | Original | | SLES-00769 |  |
 | Over Load | PC | | | | |  |
 | Over G: Energy Airforce | XBOX360 | | Original | | TI-2001 |  |
 | Over Drivin' IV オーバードライビンⅣ | PSX | | Taikenban Disc | | SLPM 80437 |  |
 | Over Drivin' III: Hot Pursuit オーバードライビンⅢ | PSX | | Original | | SLPS 01593 |  |
 | Over Drivin' III: Hot Pursuit オーバードライビンⅢ | PSX | | Taikenban Disc | | SLPM 80298 |  |
 | Over Drivin' II オーバードライビンⅡ | PSX | | Original | | SLPS 00895 |  |
 | 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 | | |  |
 | OutRun 2006: Coast 2 Coast (Disc 2) | PC | | Original | | |  |
 | OutRun 2006: Coast 2 Coast (Disc 1) | PC | | Original | | |  |
 | OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 |  |
 | OutRun 2006: Coast 2 Coast | PC | | GSP White Label: Reload | | 1673A |  |
 | OutRun 2006: Coast 2 Coast | PC | | White Label | | 1673A |  |
 | OutRun 2 | XBOX | | Original | | SE-054 |  |
 | OutRun 2 アウトラン2 | XBOX | | Shokai Genteiban | | SE-054 |  |
 | OutRun 2 | XBOX | | Original | | SE-054 |  |
 | OutRun 2 | XBOX | | Beta | | |  |
 | OutRun 2 | XBOX | | Demo | | SE-057 |  |
 | Outrage | PC | | Original | | |  |
 | Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 |  |
 | Outlaw Racers | PC | | Sold Out Software | | |  |
 | Outlaw Golf: 9 More Holes of X-Mas | XBOX | | Original | | SS-006 |  |
 | Outlaw Golf | GC | | Original | | DL-DOL-GOFP-EUR-01 |  |
 | Outlaw Golf | PC | | Original | | RM-OUTGOLF-UK |  |
 | Outlast: A Reading for Information Game | PC | | Original | | HH824 |  |
 | Outer World アウター・ワールド | 3DO | | Original | | FZ-SJ3451 |  |
 | 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 |  |
 | Outburst | PC | | Classic Value Series | | Product# 99043 |  |
 | Outbreaker | PC | | Original | | |  |
 | Out of This World | PC | | Valueware | | CD-ICD-142-0 |  |
 | Out of This World | PC | | Rerelease | | CD-MMC-023-0 |  |
 | 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 Monogatari 王様物語 | WII | | Beta | | |  |
 | Ouro e Glória: O Caminho para El Dorado | PC | | Original | | 906.02.0 |  |
 | Our Worst Fears: Die Blumen des Todes | PC | | Original | | |  |
 | Our Solar System | PHOTO-CD | | | | #CD-1 |  |
 | 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 |  |
 | Ougon no Kizuna 黄金の絆 | WII | | Original | | RVL-RK7J-JPN |  |
 | Otverzhennye: Tajna temnoj rasy (Disc 2) Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR |  |
 | 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 |  |
 | Otomedius Gorgeous! オトメディウス ゴージャス! | XBOX360 | | Original | | KN-2030 |  |
 | Otome Koigokoro Prister 乙女恋心プリスター体験版 | PC | | Taikenban | | |  |
 | Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 |  |
 | Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 |  |
 | Oto to E no Deru Eigo Jisho No. 1: Start with Words 音と絵の出る英語辞書 No.1 「Start with Words」 | FMT | | Original, Rerelease | | HMA-217 |  |
 | Othello CD-ROM | PC | | Original | | |  |
 | Othelanian Wars オセラニアン・ウォーズ | PC | | Original | | |  |
 | Otenki Kororin お天気ころりん | PSX | | Original | | SLPM 87047 |  |
 | Ot zakata do rassveta От заката до рассвета | PC | | 1C: Igroteka | | |  |
 | Ostrov e'rotiki Остров эротики | PC | | Original | | |  |
 | Ostrich Runner | PC | | Microforum | | |  |
 | Osterspiele-Box Oster Spielebox | PC | | Original | | |  |
 | Osterreichs Werbepreise: Vier Highlights | CDI | | Original | | |  |
 | Osouji Sentai Clean Keeper お掃除戦隊くりーんきーぱー | WII | | Original | | RVL-RC5J-JPN |  |
 | Osobennosti nacional'nogo razvoda (Disc 2) Особенности национального развода | PC | | Original | | |  |
 | Osobennosti nacional'nogo razvoda (Disc 1) Особенности национального развода | PC | | Original | | |  |
 | OSHA MHE Forklifts OSHA MHE Forklifts: PFS Interactive Training | CDI | | Original | | |  |
 | Oscar the Balloonist: Discovers the Farm 小小探險家奧斯卡 農場奇遇記 | PC | | Original | | |  |
 | Oscar der Ballonfahrer und die Geheimnisse des Waldes | PC | | | | |  |
 | Oscar | PC | | Golden Zone | | |  |
 | Osaka Naniwa Matenrou 大阪ナニワ摩天楼 | PSX | | Original | | SLPS 02013 |  |
 | Ortofrajda | PC | | | | |  |
 | Oro y Gloria: La Ruta hacia El Dorado | PSX | | Original | | SLES-03187 |  |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | |  |
 | Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | |  |
 | Orly's Draw-A-Story | PC | | Original | | |  |
 | Orion Burger | PC | | Original | | |  |
 | Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 |  |
 | Original Xbox Game Support: December 2005 (1.2) Prise en charge des jeux Xbox d'origine: Décembre 2005 (1.2) | XBOX360 | | Original | | |  |
 | Original Xbox Game Support: August 2006 (1.5) | XBOX360 | | | | |  |
 | Original War (Disc 2) | PC | | Original | | |  |
 | Original War (Disc 1) | PC | | Original | | |  |
 | The Original Mulan 花木兰 | PC | | Original | | |  |
 | Orgazumi (Disc 2) オーガズミー | PC | | Original | | FCG014 |  |
 | Orgazumi (Disc 1) オーガズミー | PC | | Original | | FCG013 |  |
 | The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144BE-CD |  |
 | The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144EE-CD |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 |  |
 | Oregano Oregano: RISC OS Web Browser | ARCH | | Original | | |  |
 | Ore no Yotto: Ganbare! Nippon Challenge 俺のヨット ~がんばれ! ニッポン・チャレンジ~ | PSX | | Original | | SLPS 02132 |  |
 | Ore no Yome: Anata dake no Hanayome 俺の嫁 ~あなただけの花嫁~ | XBOX360 | | Original | | IF-2008 |  |
 | Ore no Shikabane o Koete Yuke 俺の屍を越えてゆけ | PSX | | Tentou-you Movie Disc | | PCPX 96160 |  |
 | Ore no Ryouri 俺の料理 | PSX | | Taikenban | | PAPX 90084 |  |
 | Ore no Ryouri 俺の料理 | PSX | | Taikenban | | PAPX 90089 |  |
 | Order Up! | WII | | Original | | RVL-ROXP-UKV |  |
 | Order Up! | WII | | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | | Beta | | |  |
 | Order Up! | WII | | Original | | RVL-ROXX-EUR |  |
 | Order of War: Stolknovenie Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | |  |
 | Order of War: Osvobozhdenie Order of War: Освобождение | PC | | Igromaniya: Vybor redakcii | | |  |
 | Orda: Severnyj veter Орда: Северный ветер | PC | | Original | | |  |
 | Orchid Technology Kelvin MPEG Software Catalog | PC | | | | |  |
 | Orbatak | 3DO | | Arcade CD-ROM | | |  |
 | The Orange Box (Disc 2) 戰慄時空2:二部曲重裝旗艦版 | PC | | Original | | TTE0193 |  |
 | 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) | PC | | Original | | |  |
 | The Orange Box (Disc 2) | PC | | Rerelease | | |  |
 | The Orange Box (Disc 1) | PC | | Original | | |  |
 | The Orange Box (Disc 1) | PC | | Rerelease | | |  |
 | The Orange Box | XBOX360 | | Original | | EA-2063 |  |
 | The Orange Box (Disc 2) | PC | | Original | | VAD07705811D2 |  |
 | The Orange Box (Disc 1) | PC | | Original | | VAD07705811D |  |
 | The Orange Box | XBOX360 | | Original | | EA-2063 |  |
 | Oracle no Houseki: Jewels of the Oracle オラクルの宝石 Jewels of the Oracle | PSX | | Original | | SLPS 00240 |  |
 | Option: Tuning Car Battle Option チューニングカーバトル | PSX | | Highlight-ban | | SLPM 80203 |  |
 | Option: Tuning Car Battle Option チューニングカーバトル | PSX | | Taikenban | | SLPM 80206 |  |
 | Optimum Resource Sampler | PC | | Rerelease | | |  |
 | Optimum Resource Sampler | PC | | Original | | |  |
 | OptImage CD-I Starter System: Sampler Disc: Version 1.1 | CDI | | | | |  |
 | OPSM Best Racing Game Ever | PSX | | | | SCED-02492 |  |
 | OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 4) | PC | | Original | | |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 3) | PC | | Original | | |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 2) | PC | | Original | | |  |
 | Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 1) | PC | | Original | | |  |
 | Opowieści z Narnii: Książe Kaspian | PC | | Covermount | | |  |
 | Opoona オプーナ | WII | | Original | | RVL-RPOJ-JPN |  |
 | Opoona | WII | | Original | | RVL-RPOP-EUR |  |
 | 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 |  |
 | The Operational Art of War: Century of Warfare | PC | | Original | | |  |
 | The Operational Art of War II: 1956-2000 The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | |  |
 | Operation: Surgery Has Never Been so Silly! | PC | | Sold Out Software | | |  |
 | Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A |  |
 | Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 |  |
 | Operation Omega | PC | | Original | | 7-20286-92175-1 |  |
 | Operation Neptune + Reader Rabbit 2 Deluxe! + Ultimate Writing & Creativity Center The Learning Company 3-in-1 | PC | | | | |  |
 | Operation Mittelmeer | PC | | Original | | |  |
 | Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 |  |
 | Operation Flashpoint: Red River | PC | | Kakaku Kaiteihan | | FBG028W000A10 |  |
 | Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 |  |
 | Operation Flashpoint: Gold Upgrade Operace Flashpoint: Gold Upgrade | PC | | Original | | |  |
 | Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 |  |
 | Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 |  |
 | Operation Flashpoint: Cold War Crisis | PC | | Playable Demo | | POPFCDUS40 |  |
 | Operation Europe: Path to Victory 1939-45 | PC | | Original | | |  |
 | Operation Darkness | XBOX360 | | Original | | AT-2002 |  |
 | Operation Darkness オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 |  |
 | Operation Body Count: One Level Preview | PC | | Original | | |  |
 | Operation Body Count | PC | | Original | | |  |
 | Operation Barbarossa: The Struggle for Russia | PC | | Original | | |  |
 | Operation | PC | | General Mills | | AM0703R71 |  |
 | Operation | PC | | General Mills | | |  |
 | 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 | | |  |
 | Operaciya Bagration Операция Багратион | PC | | Original | | |  |
 | Operaciya "X" ili novye piklyucheniya Shuricha (Disc 1) Операция "Х" или новые приключения Шурича | PC | | 1C: Kollekciya igrushek | | |  |
 | Operaciya "Plastilin" (Disc 2) Операция "Пластилин" | PC | | Original | | |  |
 | Operaciya "Plastilin" (Disc 1) Операция "Пластилин" | PC | | Original | | |  |
 | Operaciya "Blau" Операция "Блау" | PC | | Original | | |  |
 | Operaciya "Barbarossa" Операция "Барбаросса" | PC | | 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 | | |  |
 | 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 | | |  |
 | Opera Fatal | PC | | Tandem | | 1444 |  |
 | Opera Fatal | PC | | Original | | |  |
 | Open Universiteit: Practicum Toxicologische Histopathologie Open University: Practical Toxicological Histopathology | CDI | | Original | | 4589 |  |
 | Open Season | WII | | Original | | RVL-ROPE-USA |  |
 | Open Season | WII | | Original | | RVL-ROPP-EUR |  |
 | Open Season Les Rebelles de la Forêt | PC | | Cheese Heads | | |  |
 | Opel Vectra '99 | PHOTO-CD | | Original | | |  |
 | Opel Corsa '97 | PHOTO-CD | | Original | | |  |
 | Oozora ni Kodawarou! Minna no Kuukou 2 大空にこだわろう! みんなの空港2 | PC | | | | |  |
 | Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 |  |
 | Ookami 大神 | WII | | Original | | RVL-ROWJ-JPN-B0 |  |
 | De Ontdekker en het Mysterie van de Diamanten Scarabee The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 |  |
 | Onsalakorv | PC | | Original | | |  |
 | 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 Fun: Entra anche tu nel mondo dei Videogames | PC | | | | |  |
 | Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | |  |
 | Online Connection CD: For the PlayStation Game Console | PSX | | Beta Trial Version 1.0 | | LSP-150500 … |  |
 | Onkel Alberts geheimnisvolles Notizbuch | 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 | | |  |
 | Onimusha: Put' samuraya (Disc 1) (Igrovoj) Onimusha: Путь самурая | PC | | Original | | |  |
 | Onimusha: Put' samuraja Onimusha: Путь самурая | PC | | Original | | |  |
 | Onikiri-den 鬼斬伝 | PC | | Original | | ZEUS-00001 |  |