Region | Title | System | Version | Edition | Languages | Serial | Status |
 | O! Rety! Psoty Dudusia Wesołka | PC | | Playada Gier | | P_20265_03A_PL |  |
 | O.D.T. | PC | | Dice | | DCG 005509 |  |
 | O.D.T. | PC | | Original | | |  |
 | O.D.T. | PSX | | Original | | SLES-01410 |  |
 | O.D.T. | PSX | | Original | | SLES-01412 |  |
 | 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 |  |
 | O.R.B: Off-World Resource Base | PC | | Covermount | | |  |
 | O.R.B: Off-World Resource Base | PC | 1.0 | Original | | 22434CD |  |
 | O.R.B.: Orbital'nye Resursnye Bazy О.Р.Б.: Орбитальные Ресурсные Базы | PC | 1.03 | 1C: Kollekciya igrushek | | |  |
 | O'boy-jakten | PC | | Original | | |  |
 | Oasis Road オアシスロード | PSX | | Original | | SLPS 01899 |  |
 | Obduction | MAC | | Kickstarter | | |  |
 | Obduction | PC | 1.4.2 | Kickstarter | | |  |
 | 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 | | |  |
 | Oblachno, vozmozhny osadki v vide frikadelek Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 |  |
 | Oblivious Garden: Carmina Burana (Disc 1) (Game Disk) | PC | 1.0 | Standard Edition | | |  |
 | Obratnyj otschet Обратный отсчет | PC | v.1 1.06.10.22 | Original | | |  |
 | Obrońca | PC | | FajnaGra.pl | | |  |
 | Obscure (Disc 1) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 2) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 3) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure (Disc 4) 惊悚空间 | PC | 1.0 | Original | | |  |
 | Obscure ObsCure | XBOX | | Original | | MI-009 |  |
 | Obscure ObsCure | PC | | Original | | |  |
 | Obscure ObsCure | XBOX | | Original | | MI-009 |  |
 | Obscure ObsCure | XBOX | | Original | | MI-009 |  |
 | Obscure ObsCure | PC | 1.0 | Original | | 719 02 102 |  |
 | Obscure ObsCure | PS2 | 1.00 | Original | | SLES-52737 |  |
 | Obscure ObsCure | PS2 | 1.01 | Original | | SLES-52508 |  |
 | Obscure ObsCure | PC | | Best of Atari | | |  |
 | Obscure ObsCure | PC | 1.1 | Covermount | | |  |
 | Obscure ObsCure | PS2 | 1.01 | Original | | SLES-53322 |  |
 | Obscure (Disc 1) ObsCure | PC | | Original | | |  |
 | Obscure (Disc 2) ObsCure | PC | | Original | | |  |
 | Obscure (Disc 3) ObsCure | PC | | Original | | |  |
 | Obscure (Disc 4) ObsCure | PC | | Original | | |  |
 | Obscure (Disc 1) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 2) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 3) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 4) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure (Disc 5) ObsCure | PC | 1.0 | Original | | PCO457CD |  |
 | Obscure II ObsCure II | WII | | Original | | RVL-ROBP-EUR |  |
 | Obscure II ObsCure II | PC | | Original | | |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | PC | | Original | | |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | WII | | Original | | RVL-ROBE-USA |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | PS2 | 1.00 | Original | | SLUS-21709 |  |
 | Obsidian (Disc 1) オブシディアン | PC | | Original | | INR-1003 |  |
 | Obsidian (Disc 1) オブシディアン | PC | 1.0 | Original | | INR-1003 |  |
 | Obsidian (Disc 2) オブシディアン | PC | | Original | | INR-1002 |  |
 | Obsidian (Disc 2) オブシディアン | PC | 1.0 | Original | | INR-1003 |  |
 | Obsidian (Disc 3) オブシディアン | PC | | Original | | INR-1002 |  |
 | Obsidian (Disc 3) オブシディアン | PC | 1.0 | Original | | INR-1003 |  |
 | Obsidian (Disc 4) オブシディアン | PC | | Original | | INR-1002 |  |
 | Obsidian (Disc 4) オブシディアン | PC | 1.0 | Original | | INR-1003 |  |
 | Obsidian (Disc 5) オブシディアン | PC | | Original | | INR-1002 |  |
 | Obsidian (Disc 5) オブシディアン | PC | 1.0 | Original | | INR-1003 |  |
 | Obsidian (Disc 1) | PC | | Original | | 11008 |  |
 | Obsidian (Disc 5) | PC | | Original | | 11008 |  |
 | 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 |  |
 | Ocean Commander | PS2 | 1.01 | Original | | SLES-55047 |  |
 | Ocean Commander | WII | | Original | | RVL-RQME-USA |  |
 | Ocean Jewels | PC | | Red Rocks | | |  |
 | OceanDive: Ocean Diving Adventure | PC | 1.2 | Hall of Game - 4Games Vol. 9 | | |  |
 | Ocha no Ma Battle お茶の間バトル | PSX | | Bundled with Controller | | SLPM 86681 |  |
 | Ochazukenori: Kaiki!! Mushi Danshaku no Yakata 御茶漬海苔 怪奇!!蟲男爵の館 | PC | | Original | | |  |
 | Octomania | WII | | Original | | RVL-RTKE-USA |  |
 | Oda Nobunaga Den 織田信長伝 | PC | 1.0 | Original | | KN11-93101 |  |
 | Oddworld: Abe's Exoddus (CD Installieren) | PC | 2.0 | Original | | |  |
 | Oddworld: Abe's Exoddus (CD Abspielen) | PC | 2.0 | Original | | |  |
 | Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | |  |
 | Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | |  |
 | Oddworld: Abe's Exoddus (Installatie Disk) | PC | 2.0 | Budget | | MMICDR 5280 |  |
 | Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01505 |  |
 | Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLES-11505 |  |
 | Oddworld: Abe's Oddysee | PC | 2.0 | Covermount | | IB2G-ODDI5 |  |
 | Oddworld: Abe's Oddysee | PC | 2.0 | Channelware | | 04-15303 |  |
 | Oddworld: Abe's Origins | PC | | Limited Run Games | | |  |
 | Oddworld: L'Odyssée d'Abe | PC | | Original | | IB2G-ODDF5 |  |
 | Oddworld: La Fureur de l'Etranger Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 |  |
 | Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 |  |
 | Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 |  |
 | Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 |  |
 | Oddworld: Munch's Oddysee | XBOX | | Platinum Hits | | MS-001 |  |
 | Oddworld: Strangers Vergeltung | XBOX | | Original | | EA-109 |  |
 | Odens Öga Odens Öga! | PC | 1.0.0 | Original | | |  |
 | Odin Klik Один Клик | PC | | Original | | 301/2002 |  |
 | Odin Sphere 오딘 스피어 | PS2 | 1.00 | Sample | | SCKA 20107 |  |
 | 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 |  |
 | Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 |  |
 | Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 |  |
 | Odium ōdi·um | PC | | Covermount | | |  |
 | Odlikas za Prvake Одликаш за Прваке | PC | | Original | | |  |
 | Odnazhdy' v Chikago Однажды в Чикаго | PC | 1.1.0.0 | Original | | |  |
 | Odyssee: Auf der Suche nach Odysseus (Disc 1) | PC | | Original | | ODY-GERCD1 |  |
 | Odyssee: Auf der Suche nach Odysseus (Disc 2) | PC | | Original | | ODY-GERCD2 |  |
 | Odyssey (Disc 1) 奧德賽 | PC | | Original | | |  |
 | Odyssey (Disc 2) 奧德賽 | PC | | Original | | |  |
 | Odyssey: The Legend of Nemesis | MAC | 1.0 | Original | | |  |
 | Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | |  |
 | Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | |  |
 | 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 |  |
 | Of Orcs and Men | PC | | Original | | |  |
 | Of Orcs and Men | XBOX360 | | Original | | FE-2009 |  |
 | Of Orcs and Men | PS3 | 01.01 | Original | | BLES-01586 |  |
 | Off Limits: Cassiopeia | PC | | ROMWARE | | ROM 10100 |  |
 | Off Limits: Mizar | PC | | ROMWARE | | ROM 10120 |  |
 | Off Road | WII | | Original | | RVL-RO2P-EUR |  |
 | Off Road | PS2 | 1.01 | Original | | SLES-55032 |  |
 | Off-Road Redneck Racing | PC | | Original | | CD-C98-1259-0 |  |
 | 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 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 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 |  |
 | Offensive | PC | | Original | | |  |
 | Offensive Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | |  |
 | The Office | PC | | Original | | |  |
 | Offroad Off-Road Redneck Racing | PC | | Original | | OFFPCCDML |  |
 | Offroad Off-Road Redneck Racing | PC | | Original | | ECD 000592K |  |
 | 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 |  |
 | Oficery: Special'noe izdanie Офицеры: Специальное издание | PC | 1.18.2 | Original | | |  |
 | Ogallala: Das Kartenspiel für PC | PC | | Original | | ECD000799D 00031111-001 |  |
 | Ognisty Podmuch: Fire Captain (Disc 1) (Dysk Instalacyjny) | PC | | Covermount | | |  |
 | Ognisty Podmuch: Fire Captain (Disc 2) (Dysk z Grą) | PC | | Covermount | | |  |
 | Ogura Hyakunin Isshu 小倉百人一首 | 3DO | | Original | | SV-0201 |  |
 | Oh No! オーノー! | PSX | | Original | | SLPS 02764 |  |
 | Oh Seoktae-ui Malhaneun Yeongeo (Disc 1) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46082 |  |
 | Oh Seoktae-ui Malhaneun Yeongeo (Disc 2) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46083 |  |
 | 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 |  |
 | Oh-chan no Oekaki Logic 3 おーちゃんのお絵かきロジック3 | PSX | | Value 1500 | | SLPS 03134 |  |
 | 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 | | |  |
 | Oh! Bakyuuun オーバキューン | PSX | | Original | | SLPS 02680 |  |
 | 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 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 |  |
 | Ohenro-San: Hosshin no Dojo (Awa Kuni) Hen お遍路さん 発心の道場(阿波国)編 | GC | | Original | | DL-DOL-GODJ-JPN |  |
 | Ohinasama: Shiawase wa Suigin no Aji オヒナサマ ~しあわせは水銀の味~ | PC | 2.00 | Original | | SPCG-10001 |  |
 | Oil Pipes | PC | | Original | | |  |
 | Oil Platform Simulator | PC | 1.0 | Original | | |  |
 | Oil Rush | PC | | Original | | |  |
 | Oil Tycoon | PC | 1.0 | Original | | |  |
 | Oil Tycoon 2 | PC | | Original | | |  |
 | Oil Tycoon 2 Oil Tycoon 2: Il Ritorno di una Leggenda | PC | | EXA Games | | EXAG020 |  |
 | Oil Tycoon 2 | PC | | Covermount | | |  |
 | OIO: The Game: Enlarged | PC | | F*ckn' Best of Independent Games: Collection Vol. 1 | | |  |
 | Oja Majo DoReMi Dokkan! Nijiiro ParaDice おジャ魔女どれみドッカ~ン! にじいろパラダイス | PSX | | Original | | SLPS 03497 |  |
 | Ojarumaru: Pasokon Yarou Yo! Mouse de Jigsaw Puzzle おじゃる丸 パソコンやろうよ! マウスでジグソーパズル | PC | | Original | | |  |
 | Ojousama Kumikyoku: Sweet Concert お嬢様組曲 -Sweet Concert- | PS2 | 1.01 | Special Pack-ban | | SLPM 66726 |  |
 | Ojousama o Nerae!! お嬢様を狙え!! | SS | 1.003 | Original | | T-38101G |  |
 | Ōkami 오오카미 | PS2 | 1.00 | Original | | SCKA 20095 |  |
 | 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 | | |  |
 | Oldtimer: Erlebte Geschichte Teil II | PC | | Original | | |  |
 | Olimpiada Zimowa 2002 Olimpijskie Zmagania 2002 | PC | | Original | | |  |
 | Olivers Äventyr: Drakens Förbannelse | PC | | Original | | 021120110 |  |
 | Ollie King オーリーキング | CHIHIRO | 1.003 | Original | | GDX-0007 |  |
 | Ollo in the Sunny Valley Fair | PC | | Original | | |  |
 | 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 |  |
 | Olympiad Qiaosai 2 奧林匹亞橋賽2 | PC | | Original | | |  |
 | Olympic Games: Atlanta 1996 | PC | | Original | | |  |
 | Olympic Soccer | PC | | Kixx | | |  |
 | Olympic Soccer | PSX | | Original | | SLES-00294 |  |
 | Olympic Soccer | SS | 2.000 | Original | | T-07904H-18 |  |
 | Olympic Soccer | PC | | CD-ROM Classic Collection 2 | | |  |
 | Olympic Soccer オリンピックサッカー | PSX | | Original | | SLPS 00523 |  |
 | 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 |  |
 | Omar Sharif on Bridge | PC | | Valueware | | CD-ICD-148-0 |  |
 | Omatase! Janbaraya おまたせ! 雀バラや♪ | PC | | Shokai Genteiban | | |  |
 | Omega Assault | PSX | | Original | | SLES-04051 |  |
 | 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: Chinmoku no Okite: The Legacy オメルタ ~沈黙の掟~ THE LEGACY | PSP | 1.01 | Shokai Goukaban | | ULJM 06393 |  |
 | Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 |  |
 | 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 (Disc 1) 오미크론: 노매드 소울 | PC | 1.00.000 | Original | | |  |
 | Omikron: The Nomad Soul (Disc 2) 오미크론: 노매드 소울 | PC | 1.00.000 | Original | | |  |
 | Omikron: The Nomad Soul (Disc 3) 오미크론: 노매드 소울 | PC | 1.00.000 | Original | | |  |
 | Omise de Tenshu おみせde店主 | PSX | | Original | | SLPS 01876 |  |
 | Omizu no Hanamichi お水の花道 | PSX | | Original | | SLPS 02815 |  |
 | Omoi no Kakera: Close to 想いのかけら ‐Close to‐ | PS2 | 1.02 | 2800 Collection | | SLPM 66385 |  |
 | Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 ~Memories Off~ | DC | 1.001 | Original | | T-19718M |  |
 | Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 ~Memories Off~ | PSP | 1.01 | 2800 Selection | | ULJM 05595 |  |
 | OMSI 2 | PC | 2.2.032 | Original | | |  |
 | OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | |  |
 | On Air | PC | | Original | | BROWNIE 990201 |  |
 | On the Ball: League Edition | PC | 1.0 | Original | | |  |
 | On the Ball: World Cup Edition | PC | 1.00 | Original | | |  |
 | On-Robot Он-Робот | PC | 1.14SB | 1C: Igrushki | | |  |
 | 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 One Must Fall 2097 CD-ROM | PC | 1.1 | ROMWARE | | ROM 10017 |  |
 | One Must Fall 2097 | PC | 2.1 | The Smile Edition | | CDR3016 |  |
 | One Must Fall 2097 | PC | | Original | | |  |
 | One Must Fall 2097 One Must Fall | PC | | Rerelease | | D.L.: M-8684-97 |  |
 | 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! 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 원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 |  |
 | One Piece: Kaizoku Musou 2 One Piece 海賊無雙 2 | PS3 | 01.00 | Original | | BLAS 50597 |  |
 | One Piece: Kaizoku Musou 3 ワンピース 海賊無双3 | PS3 | 01.01 | Original | | BLJM 61261 |  |
 | 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 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 | 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 |  |
 | 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! 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: 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: 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 Step Beyond | PC | | Hit Squad: Regenerator | | |  |
 | 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 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 |  |
 | OneChanbara Special お姉チャンバラ SPECIAL | PSP | 1.03 | Original | | ULJS 00367 |  |
 | Onechanbara: Bikini Zombie Slayers | WII | | Original | | RVL-RONE-USA |  |
 | 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 お姉チャンバラZ~カグラ~ | XBOX360 | | Original | | DP-2036 |  |
 | 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 |  |
 | OnHand Chess / Sega Swirl Lite | PALM | PDA103-01 | Original | | PDA103-01 |  |
 | OnHand Sports Games / Sega Swirl Lite | PALM | PDA105-01 | OnHand Double Pack (Sports Games/Astrologer) | | PDA105-01 |  |
 | Oni | MAC | 1.1 | Original | | |  |
 | Oni | PS2 | 1.02 | Original | | SLES-50176 |  |
 | Oni | PC | 1.0 | Green Pepper | | |  |
 | Oni | PC | 1.0 | Covermount | | |  |
 | Oni | PC | 1.0 | Covermount | | |  |
 | Oni | PC | 1.00.000 | Original | | MTW-0390 |  |
 | Oni | PC | 1.0 | PC Best Buy | | 177588 |  |
 | Oni | MAC | | Original | | |  |
 | Oni no Kamen 鬼ノ仮面 | PC | 1.00 | Original | | |  |
 | The Oni Taiji!!: Mezase! Nidaime Momotarou The鬼退治!! 目指せ!二代目桃太郎 | PSX | | Original | | SLPS 00089 |  |
 | The Oni Taiji!!: Mezase! Nidaime Momotarou The鬼退治!! 目指せ!二代目桃太郎 | PSX | | Major Wave | | SLPM 86989 |  |
 | Onible'jd Ониблэйд | PC | | Original | | |  |
 | 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 | | |  |
 | Onii-chan Jushin-chuu お兄ちゃん受信中 | PC | | Original | | |  |
 | Onikiri-den 鬼斬伝 | PC | | Original | | ZEUS-00001 |  |
 | Onimusha 3 | PC | | Original | | 5004561 |  |
 | Onimusha 3: Demon Siege (Disc 1) | PC | | Original | | 683100-CD1 |  |
 | Onimusha 3: Demon Siege (Disc 2) | PC | | Original | | 683100-CD2 |  |
 | Onimusha 3: Demon Siege (Disc 3) | PC | | Original | | 683100-CD3 |  |
 | Onimusha Buraiden 鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 |  |
 | 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 | | |  |
 | Onimusha: Warlords | PS2 | 1.00 | Original | | SLPM 67507 |  |
 | Onkel Alberts geheimnisvolles Notizbuch | PC | | Original | | |  |
 | Online Chess Kingdoms | PSP | 1.02 | Original | | ULES-00570 |  |
 | Online Chess Kingdoms | PSP | 1.02 | Original | | ULUS 10179 |  |
 | OnlineGamez | PC | | | | |  |
 | 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 |  |
 | Only You: Seikimatsu no Juliet-tachi Only You ~世紀末のジュリエットたち~ | FMT | | Shokai Gentei | | |  |
 | Onmyou Taisenki: Byakko Enbu 陰陽大戦記 白虎演舞 | PS2 | 1.01 | EyeToy Camera Doukonban | | SLPS 20416 |  |
 | 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 |  |
 | Onore no Shinzuru Michi o Yuke 己の信ずる道を征け | PSP | 1.01 | Original | | ULJM 05465 |  |
 | Onsen de Takkyuu 温泉de卓球 | PC | | Original | | |  |
 | Onsen Ping-Pong 温泉卓球 | PC | | Event Oyobi Tsuushin Hanbaiban | | |  |
 | Onsen Ryokou Kakumei: Ich liebe dich.! 温泉旅行革命 ~Ich liebe dich.!~ | PC | 1.00 | Original | | RUCCA-003 |  |
 | 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 Senryoubako 大江戸千両箱 | PSP | 1.01 | Original | | ULJM 05099 |  |
 | Ooga Booga | DC | 1.001 | Original | | 51140 |  |
 | Ookami 大神 | WII | | Original | | RVL-ROWJ-JPN-B0 |  |
 | 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 |  |
 | Oozora ni Kodawarou! Minna no Kuukou 2 大空にこだわろう! みんなの空港2 | PC | | | | |  |
 | Open Season Les Rebelles de la Forêt | PC | | Cheese Heads | | |  |
 | Open Season | WII | | Original | | RVL-ROPP-EUR |  |
 | Open Season | XBOX360 | | Original | | US-2024 |  |
 | Open Season | XBOX | | Original | | US-097 |  |
 | Open Season | GC | | Original | | DL-DOL-GOSX-EUU |  |
 | Open Season (Disc 1) | PC | | Original | | 5004905-CD 1 |  |
 | Open Season (Disc 2) | PC | | Original | | 5004905-CD 2 |  |
 | Open Season (Disc 3) | PC | | Original | | 5004905-CD 3 |  |
 | Open Season (Disc 1) | PC | 1.00 | Original | | |  |
 | Open Season | WII | | Original | | RVL-ROPE-USA |  |
 | Open Season | GC | | Original | | DL-DOL-GOSE-USA |  |
 | Open Season (Disc 1) | PC | 1.0 | Original | | 683131-CD1 |  |
 | Open Season (Disc 2) | PC | 1.0 | Original | | 683131-CD2 |  |
 | Open Season (Disc 3) | PC | 1.0 | Original | | 683131-CD3 |  |
 | Opera Fatal | PC | | Tandem | | 1444 |  |
 | Opera Fatal | PC | | Original | | |  |
 | Operaciya "Plastilin" (Disc 1) Операция "Пластилин" | PC | | Original | | |  |
 | Operaciya "Plastilin" (Disc 2) Операция "Пластилин" | PC | | Original | | |  |
 | Operaciya "X" ili novye piklyucheniya Shuricha (Disc 1) Операция "Х" или новые приключения Шурича | PC | | 1C: Kollekciya igrushek | | |  |
 | Operaciya Bagration Операция Багратион | 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 | | |  |
 | Operaciya Silent Storm: Chasovye (Disc 1) Операция Silent Storm: Часовые | PC | | 1C: Igroteka | | |  |
 | Operaciya Silent Storm: Chasovye (Disc 2) Операция Silent Storm: Часовые | PC | | 1C: Igroteka | | |  |
 | Operation | PC | | General Mills | | |  |
 | Operation | PC | | General Mills | | AM0703R71 |  |
 | Operation Barbarossa: The Struggle for Russia | PC | | Original | | |  |
 | Operation Body Count | PC | | Original | | |  |
 | Operation Body Count | PC | | Original | | |  |
 | Operation Combat II | PC | 1.0 | Action CD-ROM 5 Pak | | |  |
 | 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 | 1.46 | Sold Out Software | | |  |
 | Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | |  |
 | 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 오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 |  |
 | Operation Flashpoint: Red River | PC | 1.0 | Original | | MOFP3CDEU00 |  |
 | Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 |  |
 | Operation Flashpoint: Red River | PC | | Kakaku Kaiteihan | | FBG028W000A10 |  |
 | Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 |  |
 | 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 2: Project Poseidon | XBOX | | Original | | KO-008 |  |
 | Operation Wolf オペレーション・ウルフ | FMT | 1.00 | Ving Vol. 3 | | HMB-126 |  |
 | Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A |  |
 | Operation: Surgery Has Never Been so Silly! | PC | | Sold Out Software | | |  |
 | The Operational Art of War II | PC | 1.01.02 | Xplosiv | | EI-1259-3 |  |
 | 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 (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 1) | PC | 1.004 | Game of the Year Edition | | S0025036 |  |
 | The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 |  |
 | 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 | | Game of the Year Edition | | |  |
 | 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 1) (Game Disc) | MAC | 1.004 | MacPlay | | |  |
 | 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 |  |
 | Operator's Side オペレーターズサイド | PS2 | 1.02 | Original | | SCPS 15039 |  |
 | Opoona | WII | | Original | | RVL-RPOP-EUR |  |
 | Opoona オプーナ | WII | | Original | | RVL-RPOJ-JPN |  |
 | Opowieści z Narnii: Książe Kaspian | PC | | Covermount | | |  |
 | Opowieści z Narnii: Lew, Czarownica i stara szafa The The Chronicles of Narnia: The Lion Witch and The Wardrobe | PC | | Dookoła Filmu | | P_17791_03A_PL |  |
 | 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 | | |  |
 | Opsys | PC | | Original | | |  |
 | Opsys | PC | | Original | | |  |
 | 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 |  |
 | Oracle no Houseki: Jewels of the Oracle オラクルの宝石 Jewels of the Oracle | PSX | | Original | | SLPS 00240 |  |
 | The Orange Box | PS3 | 01.00 | Original | | BLES-00172 |  |
 | The Orange Box | XBOX360 | | Original | | EA-2063 |  |
 | The Orange Box | XBOX360 | | Original | | EA-2063 |  |
 | The Orange Box (Disc 1) | PC | | Rerelease | | |  |
 | The Orange Box (Disc 1) | PC | | Original | | |  |
 | The Orange Box (Disc 2) | PC | | Rerelease | | |  |
 | 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 |  |
 | 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 |  |
 | 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 |  |
 | Orbatak | 3DO | | Arcade CD-ROM | | |  |
 | Orda: Severnyj veter Орда: Северный ветер | PC | | Original | | |  |
 | Order of War | PC | | Original | | OOW/LAB1 |  |
 | Order of War: Osvobozhdenie Order of War: Освобождение | PC | | Igromaniya: Vybor redakcii | | |  |
 | Order of War: Stolknovenie Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | |  |
 | Order Up! | WII | | Original | | RVL-ROXX-EUR |  |
 | Order Up! | WII | | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA |  |
 | Order Up! | WII | | Original | | RVL-ROXP-UKV |  |
 | Order Up!! | PS3 | 01.04 | Original | | BLES-01470 |  |
 | Order Up!! | PS3 | 01.02 | Original | | BLUS-30904 |  |
 | 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 Dungeon: Desire and Adventurous Spirit 己のダンジョン | PSP | 1.01 | Original | | ULJM 05167 |  |
 | 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 |  |
 | 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 wa Shoujo Mangaka オレは少女漫画家 | PSP | 1.03 | Original | | ULJM 06018 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD |  |
 | 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 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | |  |
 | 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 2) | PC | 1.2 | Original | | OTA744BE-CD2 |  |
 | 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 3) | PC | | Original | | OTA744AE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.2 | Original | | OTA744BE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.3 | The Learning Company | | OAE744BE-CD3 |  |
 | The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Original | | OTF744AE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 |  |
 | 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 |  |
 | Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD |  |
 | Oregon Trail II | PC | 1.3 | Rerelease | | #HCD744AE-CD |  |
 | Oregon Trail II + Logic Quest | PC | 1.2/1.0 | Original | | |  |
 | The Oregon Trail | PC | 1.1 | Original | | #HCD606 |  |
 | The Oregon Trail | PC | 1.21 | | | |  |
 | The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 |  |
 | 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 |  |
 | 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: 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: 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: 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: Quarth オレたちゲーセン族 クォース | PS2 | 1.02 | Original | | SLPM 62704 |  |
 | 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: 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: 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: Terra Cresta オレたちゲーセン族 テラクレスタ | PS2 | 1.04 | Original | | SLPM 62661 |  |
 | 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: 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: 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 |  |
 | Orgazumi (Disc 1) オーガズミー | PC | | Original | | FCG013 |  |
 | Orgazumi (Disc 2) オーガズミー | PC | | Original | | FCG014 |  |
 | The Original Mulan 花木兰 | PC | | Original | | |  |
 | Original War (Disc 1) | PC | 1.02 | Covermount | | |  |
 | Original War (Disc 1) | PC | 1.02 | Original | | CD-W95-V006-IT1 |  |
 | Original War (Disc 2) | PC | 1.02 | Covermount | | |  |
 | Original War (Disc 2) | PC | 1.02 | Original | | CD-W95-V006-IT2 |  |
 | Original War (Disc 1) (Install Disc) オリジナル ウォー | PC | 1.02 | Original | | |  |
 | Original War (Disc 2) (GameDisc) オリジナル ウォー | PC | 1.02 | Original | | |  |
 | Orion Burger | PC | | Original | | |  |
 | Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 |  |
 | The Orion Conspiracy | PC | 1.01 | Original | | |  |
 | Orly Pervoj mirovoj Орлы Первой мировой | PC | 02.19.07 | Original | | |  |
 | Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | |  |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | |  |
 | Oro y Gloria: La Ruta hacia El Dorado | PSX | | Original | | SLES-03187 |  |
 | Oryouri Jouzu: Kihon Kateiryouri-hen お料理上手 基本家庭料理編 | PC | 1.2.0.5 | Original | | 0000037450 |  |
 | OS/2-Spiele Shareware | PC | | Original | | 62694 |  |
 | Osada Avalona (Disc 1) Осада Авалона | PC | | | | |  |
 | Osada Avalona (Disc 2) Осада Авалона | PC | | | | |  |
 | Osaka Ennichi 大阪緣日 | PC | | Original | | OE-V1.00 |  |
 | Osaka Naniwa Matenrou 大阪ナニワ摩天楼 | PSX | | Original | | SLPS 02013 |  |
 | Oscar | PC | | Golden Zone | | |  |
 | Oscar der Ballonfahrer und die Geheimnisse des Waldes | PC | | | | |  |
 | Oscar the Balloonist: Discovers the Farm 小小探險家奧斯卡 農場奇遇記 | PC | | Original | | |  |
 | Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 |  |
 | Oshiete! Popotan おしえて! ぽぽたん | PS2 | 1.02 | Original | | SLPM 65535 |  |
 | Osobennosti nacional'nogo razvoda (Disc 1) Особенности национального развода | PC | | Original | | |  |
 | Osobennosti nacional'nogo razvoda (Disc 2) Особенности национального развода | PC | | Original | | |  |
 | Osouji Sentai Clean Keeper お掃除戦隊くりーんきーぱー | WII | | Original | | RVL-RC5J-JPN |  |
 | 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 |  |
 | Ost-Indskaya kompaniya: Zolotoe izdanie Ост-Индская компания: Золотое издание | PC | | Original | | |  |
 | Osterspiele-Box Oster Spielebox | PC | | Original | | |  |
 | Ostrich Runner | PC | | Microforum | | |  |
 | Ostrov e'rotiki Остров эротики | PC | | Original | | |  |
 | Ostrov Nanda Остров Нанда | PC | 1.000 | Original | | |  |
 | Ot zakata do rassveta От заката до рассвета | PC | | 1C: Igroteka | | |  |
 | Otchayannye domoxozyajki (Disc 1) (Ustanovochnyj disk) Отчаянные домохозяйки | PC | | Original | | |  |
 | Otchayannye domoxozyajki (Disc 2) (Ustanovochnyj disk) Отчаянные домохозяйки | PC | | Original | | |  |
 | Otchayannye domoxozyajki (Disc 3) (Igrovoj disk) Отчаянные домохозяйки | PC | | Original | | |  |
 | Otenki Kororin お天気ころりん | PSX | | Original | | SLPM 87047 |  |