| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Onikiri-den
鬼斬伝 | PC | | Original |  | ZEUS-00001 |  |
 | The Orange Box (Disc 1) | PC | | Original |           | VAX07705811D | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
 | The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | |
 | The Orange Box (Disc 2) | PC | | Original, EA Classics | | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | |
 | The Orange Box (Disc 2) | PC | | Original | | VAD07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAD07705811D | |
 | Obscure: The Aftermath
ObsCure: The Aftermath | PSP | 1.00 | Original, Test Sample | | ULUS-10484 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.03 | Original | | ULUS-10064 | |
 | OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 | |
 | 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 … | |
| 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 … | |
| 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 | |
| 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 … | |
| Oretachi no Sabage Portable
俺たちのサバゲー ＰＯＲＴＡＢＬＥ | PSP | 1.03 | Original | | ULJS 00170 | |
| Omerta: Chinmoku no Okite: The Legacy
オメルタ ～沈黙の掟～ ＴＨＥ ＬＥＧＡＣＹ | PSP | 1.01 | Shokai Goukaban | | ULJM 06393 | |
| 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 | |
| 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 | |
| Onore no Shinzuru Michi o Yuke
己の信ずる道を征け | PSP | 1.01 | Original | | ULJM 05465 | |
| Ooedo Senryoubako
大江戸千両箱 | PSP | 1.01 | Original | | ULJM 05099 | |
 | Oblachno, vozmozhny osadki v vide frikadelek
Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 | |
| Obscure: The Aftermath
ObsCure: The Aftermath | PSP | 1.01 | Original | | ULES-01340 | |
 | Off Road | PSP | 1.01 | Original | | ULES-00963 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.01 | Original, Platinum: The Best of PSP | | ULES-00262 | |
| Ore no Shikabane o Koete Yuke
俺の屍を越えてゆけ | PSP | 1.01 | Original, Fukkatsu Kinen Genteiban | | UCJS 10116 … | |
 | 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 | |
 | OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| Over G: Energy Airforce | XBOX360 | | Original | | TI-2001 | |
 | Over G Fighters | XBOX360 | | Original | | TI-2001 | |
| 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 | |
| OutRun 2006: Coast 2 Coast | PC | | Gamer's Choice | | THQ70690 | |
| 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 | |
| Ochigee Designer Tsukutte Pon!
落ちゲー・デザイナー 作ってポン！ | SS | 1.090 | Original | | T-9108G | |
| Ooedo Renaissance
大江戸ルネッサンス | SS | 1.001 | Original | | T-9104G | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H-09, T-7904H-50 | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H | |
| Olympic Soccer
オリンピックサッカー | SS | 1.002 | Original | | T-7304G | |
| Ojousama o Nerae!!
お嬢様を狙え！！ | SS | 1.003 | Original | | T-38101G | |
| Ojousama o Nerae!!
お嬢様を狙え！！ | SS | 1.002 | Original | | T-38101G | |
| Omikron: The Nomad Soul | DC | 1.001 | Original | | T-36807N | |
| 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 | |
| Ojousama Express (Disc 2)
お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Ojousama Express (Disc 1)
お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| 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 | |
| Omoide ni Kawaru Kimi: Memories Off
想い出にかわる君 ～Ｍｅｍｏｒｉｅｓ Ｏｆｆ～ | DC | 1.001 | Original | | T-19718M | |
| Orange Pocket: Cornet
オレンジポケット －コルネット－ | DC | 1.004 | Original, Shokai Genteiban | | T-18707M, T-18708M | |
| Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H-50 | |
| 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 | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 | SS | 1.004 | Original | | T-1511G | |
| Olympic Soccer | SS | 2.000 | Original | | T-07904H-18 | |
| Ogura Hyakunin Isshu
小倉百人一首 | 3DO | | Original | | SV-0201 | |
| Operation Darkness
オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 | |
| Outlaw Golf: 9 More Holes of X-Mas | XBOX | | Original | | SS-006 | |
| Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 | |
| Outer Ridge | PC | 1.0 | Original | | SPI004 | |
| Orion Burger | PC | | Gold Games 2 (CD 11) | | SPI 046 | |
| 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 | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLUS-90004 | |
| Odin Sphere | PS2 | 1.00 | Trade Demo | | SLUS-28065 | |
| Obscure: The Aftermath
ObsCure: The Aftermath | PS2 | 1.00 | Original | | SLUS-21709 | |
| Onimusha: Dawn of Dreams (Disc 2) | PS2 | 1.02 | Original | | SLUS-21362 | |
| Onimusha: Dawn of Dreams (Disc 1) | PS2 | 1.02 | Original | | SLUS-21180 | |
| Onimusha: Blade Warriors | PS2 | 1.01 | Original | | SLUS-20710 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.03 | Original | | SLUS-20393 | |
| Onimusha: Warlords | PS2 | 1.00 | Original, Greatest Hits | | SLUS-20018 … | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLUS-20011 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLUS-00731 … | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLUS-00710 … | |
| Ogre Battle: Limited Edition | PSX | | Original | | SLUS-00467 | |
| OverBlood | PSX | | Original | | SLUS-00464 | |
| Oddworld: Abe's Oddysee | PSX | Rev 2 | Greatest Hits | | SLUS-00190 | |
| Oddworld: Abe's Oddysee | PSX | Rev 1 | Original, Greatest Hits | | SLUS-00190 | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLUS-00190 | |
| Olympic Soccer | PSX | | Original | | SLUS-00156 | |
| Olympic Summer Games | PSX | | Original | | SLUS-00148 | |
| Off-World Interceptor Extreme | PSX | | Original | | SLUS-00020 | |
| Odin Sphere | PS2 | 1.00 | Original, Greatest Hits | | SLUS 21577 … | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
| Outlaw Volleyball Remixed | PS2 | 1.02 | Original | | SLUS 21049 | |
| Obscure
ObsCure | PS2 | 1.00 | Original | | SLUS 20777 | |
| The Operative: No One Lives Forever | PS2 | 1.50 | Original | | SLUS 20028 | |
| 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 | |
| Ore no Shita de Agake
俺の下で ＡＧＡＫＥ | PS2 | 1.01 | Original | | SLPS 25796 | |
| 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 | Original, Best Collection | | SLPS 25767 … | |
| 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 | |
| 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 | Multi Tap (SCPH-10090) Doukonban | | SLPS 25583 | |
| One Piece: Pirates Carnival
ワンピース パイレーツカーニバル | PS2 | 1.01 | Original | | SLPS 25576 | |
| One Piece: Grand Battle! Rush
ワン・ピース ～グラバト！ラッシュ～ | PS2 | 1.01 | Original | | SLPS 25473 | |
| One Piece: Round the Land!
ワンピース ランドランド！ | PS2 | 1.01 | Original | | SLPS 25382 | |
| One Piece: Grand Battle! 3
ＯＮＥ ＰＩＥＣＥ グランドバトル！３ | PS2 | 1.02 | Original | | SLPS 25315 | |
| Omoide ni Kawaru Kimi: Memories Off
想い出にかわる君 －Ｍｅｍｏｒｉｅｓ Ｏｆｆ－ | PS2 | 1.01 | Original | | SLPS 25173 | |
| Only You: Rebel Cross
Ｏｎｌｙ Ｙｏｕ リベルクルス | PS2 | 1.03 | Original, Drama CD Tsuki | | SLPS 25150 … | |
| Ougon Kishi Garo
黄金騎士 牙狼 | PS2 | 1.01 | Original | | SLPS 20463 | |
| Ougon Kishi Garo
黄金騎士 牙狼 | PS2 | 1.01 | Genteiban | | SLPS 20462 | |
| Otogi Story: Tenshi no Shippo
おとぎストーリー ～天使のしっぽ～ | PSX | | Original | | SLPS 03531 | |
| 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 | |
| Ooedo Fuusui Ingaritsu: Hanabi 2
大江戸風水因果律 花火２ | PSX | | Original | | SLPS 02814 | |
| 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 | |
| Option: Tuning Car Battle Spec R
オプション チューニングカーバトル スペックR | PSX | | Original | | SLPS 02587 | |
| 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 | |
| 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 | |
| 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 | |
| Over Drivin' IV
オーバードライビンⅣ | PSX | | Original | | SLPS 02099 | |
| Osaka Naniwa Matenrou
大阪ナニワ摩天楼 | PSX | | Original | | SLPS 02013 | |
| Oasis Road
オアシスロード | PSX | | Original | | SLPS 01899 | |
| Option: Tuning Car Battle 2
オプション チューニングカーバトル2 | PSX | | Original | | SLPS 01857 | |
| Over Drivin' III: Hot Pursuit
オーバードライビンⅢ | PSX | | Original | | SLPS 01593 | |
| Okappari-ou
陸釣王 | PSX | | Original | | SLPS 01524 | |
| Ojousama Express (Disc 2)
お嬢様特急 | PSX | | Original | | SLPS 01496 | |
| Ojousama Express (Disc 1)
お嬢様特急 | PSX | | Original | | SLPS 01495 | |
| Olympia, Takasago: Virtua Pachi-Slot III
オリンピア・高砂 バーチャ・パチスロⅢ | PSX | | Original | | SLPS 01386 | |
| OverBlood 2 (Disc 2)
オーバーブラッド２ | PSX | | Original | | SLPS 01262 | |
| OverBlood 2 (Disc 1)
オーバーブラッド２ | PSX | | Original | | SLPS 01261 | |
| Option: Tuning Car Battle
オプション チューニングカーバトル | PSX | | Original | | SLPS 01207 | |
| Ore! Tomba
オレっ！トンバ | PSX | | Original | | SLPS 01144 | |
| Ongaku Tkool: Kanadeeru 2
音楽ツクール かなで～る２ | PSX | | Original | | SLPS 00903 | |
| Over Drivin' II
オーバードライビンⅡ | PSX | | Original | | SLPS 00895 | |
| Out Live: Be Eliminate Yesterday
アウトライブ Ｂｅ Ｅｌｉｍｉｎａｔｅ Ｙｅｓｔｅｒｄａｙ | PSX | | Original | | SLPS 00746 | |
| Olympia, Yamasa: Virtua Pachi-Slot II: Jissen! Bishoujo Kouryakuhou
オリンピア・山佐 バーチャパチスロⅡ ～実戦！美少女攻略法～ | PSX | | Original | | SLPS 00714 | |
| Olympic Soccer
オリンピックサッカー | PSX | | Original | | SLPS 00523 | |
| Öhlins Hyper-Rally
ハイパーラリー | PSX | | Original | | SLPS 00462 | |
| The Open Golf: History of Turnberry
ジ・オープンゴルフ History of Turnberry | PSX | | Original | | SLPS 00418 | |
| OverBlood
オーバーブラッド | PSX | | Original, PlayStation the Best | | SLPS 00392 … | |
| Over Drivin' DX
オーバードライビンＤＸ | PSX | | Original | | SLPS 00327 | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 Ｊｅｗｅｌｓ ｏｆ ｔｈｅ Ｏｒａｃｌｅ | PSX | | Original | | SLPS 00240 | |
| Othello World II: Yume to Michi e no Chousen
オセロワールドＩＩ 夢と未知への挑戦 | PSX | | Original, Fukkokuban | | SLPS 00136 … | |
| 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 | |
| The Oni Taiji!!: Mezase! Nidaime Momotarou
Ｔｈｅ鬼退治！！ 目指せ！二代目桃太郎 | PSX | | Original | | SLPS 00089 | |
| Otenki Kororin
お天気ころりん | PSX | | Original | | SLPM 87047 | |
| The Oni Taiji!!: Mezase! Nidaime Momotarou
Ｔｈｅ鬼退治！！ 目指せ！二代目桃太郎 | PSX | | Major Wave | | SLPM 86989 | |
| OverBlood
オーバーブラッド | PSX | | Major Wave | | SLPM 86641 | |
| 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 | |
| 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 | |
| Other Life Azure Dreams
アザーライフ アザードリームス | PSX | | Original | | SLPM 86047 | |
| 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 | | Taikenban Disc | | SLPM 80298 | |
| OverBlood 2: The "East Edge" File
オーバーブラッド２ －Ｔｈｅ ＂Ｅａｓｔ Ｅｄｇｅ＂ Ｆｉｌｅ－ | PSX | | Premium Disc | | SLPM 80270 | |
| Ojousama Express
お嬢様特急 | PSX | | Taikenban | | SLPM 80255 | |
| Option: Tuning Car Battle
Ｏｐｔｉｏｎ チューニングカーバトル | PSX | | Taikenban | | SLPM 80206 | |
| Option: Tuning Car Battle
Ｏｐｔｉｏｎ チューニングカーバトル | PSX | | Highlight-ban | | SLPM 80203 | |
| Ore! Tomba
オレっ！トンバ | PSX | | Taikenban | | SLPM 80165 | |
| Over Drivin' DX: Rally Edition
オーバードライビンＤＸ ラリーエディション | PSX | | Hibaihin | | SLPM 80032 | |
| Onimusha: Warlords | PS2 | 1.00 | Original | | SLPM 67507 | |
| Ouran Koukou Host Club
桜蘭高校ホスト部 | PS2 | 1.01 | Original | | SLPM 66738 | |
| Ouran Koukou Host Club
桜蘭高校ホスト部 | PS2 | 1.01 | Genteiban | | SLPM 66737 | |
| Ojousama Kumikyoku: Sweet Concert
お嬢様組曲 －Ｓｗｅｅｔ Ｃｏｎｃｅｒｔ－ | PS2 | 1.01 | Special Pack-ban | | SLPM 66726 | |
| OutRun 2 SP
アウトラン２ スペシャルツアーズ | PS2 | 1.03 | Shokai Genteiban | | SLPM 66628 | |
| Odin Sphere
オーディン・スフィア | PS2 | 1.02 | Original, PlayStation 2 the Best | | SLPM 66474 … | |
| Ouka: Kokoro Kagayakaseru Sakura
桜華 ～心輝かせる桜～ | PS2 | 1.01 | Original | | SLPM 66406 | |
| Omoi no Kakera: Close to
想いのかけら ‐Ｃｌｏｓｅ ｔｏ‐ | PS2 | 1.02 | 2800 Collection | | SLPM 66385 | |
| 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 … | |
| Otome-teki Koi Kakumei: Love Revo!!
乙女的恋革命★ラブレボ！！ | PS2 | 1.03 | Love Revo Box | | SLPM 66237 | |
| Otome wa Boku ni Koishiteru
乙女はお姉さまに恋してる | PS2 | 1.05 | Original | | SLPM 66165 | |
| Online Pro Wrestling
オンラインプロレスリング | PS2 | 1.03 | Original | | SLPM 65586 | |
| Orange Pocket: Root
オレンジポケット ～リュート～ | PS2 | 1.02 | Original | | SLPM 65525 | |
| Orange Pocket: Root
オレンジポケット ～リュート～ | PS2 | 1.02 | Shokai Genteiban | | SLPM 65524 | |
| Onimusha Buraiden
鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 | |
| Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 | |
| 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 ga Kantoku da! Gekitou Pennant Race
オレが監督だ！ ～激闘ペナントレース～ | PS2 | 1.03 | Original | | SLPM 65005 | |
| 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: Pooyan
オレたちゲーセン族 プーヤン | PS2 | 1.01 | Original | | SLPM 62731 | |
| 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: Akumajou Dracula
オレたちゲーセン族 悪魔城ドラキュラ | PS2 | 1.01 | Original | | SLPM 62729 | |
| 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 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 | |
| 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: 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: 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: 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: Super Volleyball
オレたちゲーセン族 スーパーバレーボール | PS2 | 1.04 | Original | | SLPM 62660 | |
| 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: 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: Time Pilot
オレたちゲーセン族 タイムパイロット | PS2 | 1.01 | Original | | SLPM 62644 | |
| Oretachi Geesen Zoku: Karate-dou
オレたちゲーセン族 空手道 | PS2 | 1.01 | Original | | SLPM 62628 | |
| 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: Scramble
オレたちゲーセン族 スクランブル | PS2 | 1.01 | Original | | SLPM 62626 | |
| Online Games: Dai Guru Guru Onsen
オンラインゲームズ 大ぐるぐる温泉 | PS2 | 1.01 | Original | | SLPM 62195 | |
| 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 | |
| One Piece: Grand Adventure
원피스: 그랜드 배틀 어드벤처 | PS2 | 1.00 | Original | | SLKA 25388 | |
| One Piece: Pirates Carnival
원피즈 해적카니발 | PS2 | 1.01 | Original | | SLKA 25351 | |
| One Piece: Grand Battle! Rush
원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 | |
| One Piece: Round the Land!
원피스 라운드 더 랜드! | PS2 | 1.00 | Original | | SLKA 25208 | |
| Onimusha: Dawn of Dreams (Disc 2) | PS2 | 1.00 | Original | | SLES-82039 | |
| Onimusha: Dawn of Dreams (Disc 1) | PS2 | 1.00 | Original | | SLES-82038 | |
| Odin Sphere | PS2 | 1.00 | Original | | SLES-55110 | |
| Ocean Commander | PS2 | 1.01 | Original | | SLES-55047 | |
| Off Road | PS2 | 1.01 | Original | | SLES-55032 | |
| Operation Air Assault 2 | PS2 | 1.01 | Original | | SLES-54804 | |
| Obscure II
ObsCure II | PS2 | 1.01 | Original | | SLES-54782 | |
| Operation WinBack 2: Project Poseidon | PS2 | 1.00 | Original | | SLES-54116 … | |
| Offroad Extreme! Special Edition | PS2 | 1.00 | Original | | SLES-54109 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.02 | Original | | SLES-53998 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original |  | SLES-53713 | |
| Obliterate | PS2 | 1.01 | Original | | SLES-53355 … | |
| Obscure
ObsCure | PS2 | 1.01 | Original | | SLES-53322 | |
| Outlaw Volleyball Remixed | PS2 | 1.01 | Original | | SLES-53138 … | |
| Offroad Extreme! | PS2 | 1.01 | Original | | SLES-52751 | |
| Obscure
ObsCure | PS2 | 1.00 | Original | | SLES-52738 | |
| Obscure
ObsCure | PS2 | 1.00 | Original | | SLES-52737 | |
| One Piece: Round the Land! | PS2 | 1.00 | Original | | SLES-52731 | |
| Operation Air Assault | PS2 | 1.01 | Original | | SLES-52572 | |
| Obscure
ObsCure | PS2 | 1.01 | Original | | SLES-52508 | |
| Onimusha: Blade Warriors | PS2 | 1.01 | Original | | SLES-51913 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.00 | Original | | SLES-50978 | |
| Onimusha 2: Samurai's Destiny
鬼武者２ ＰＡＬ | PS2 | 1.00 | Beta | | SLES-50978 | |
| The Operative: No One Lives Forever | PS2 | 1.00 | Original | | SLES-50592 | |
| Onimusha: Warlords | PS2 | 1.02 | Original, Platinum | | SLES-50247 … | |
| Off-Road: Wide Open
Test Drive Off-Road: Wide Open | PS2 | 1.00 | Original | | SLES-50232 | |
| Operation WinBack | PS2 | 1.10 | Original | | SLES-50155 | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLES-50062 | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-12187 … | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11880 | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-11879 … | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11879 | |
 | Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLES-11505 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original, Platinum | | SLES-11504 … | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLES-11503 | |
 | Oddworld: L'Exode d'Abe (Disc 2) | PSX | | Original | | SLES-11502 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original, Platinum | | SLES-11480 … | |
| Oro y Gloria: La Ruta hacia El Dorado | PSX | | Original | | SLES-03187 | |
| Oro e Gloria: La Strada per El Dorado | PSX | | Original | | SLES-03186 | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-02187 … | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01880 | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-01879 … | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01879 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01505 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original, Platinum | | SLES-01504 … | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01503 | |
| Oddworld: L'Exode d'Abe (Disc 1) | PSX | | Original | | SLES-01502 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original, Platinum | | SLES-01480 … | |
| Overboard! | PSX | | Original, 1998 4 PlayStation Multi Pack | | SLES-00865 | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLES-00841 | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLES-00840 | |
| Oddworld: Abe's Oddysee | PSX | | Platinum | | SLES-00839 | |
| Oddworld: L'Odyssée d'Abe | PSX | | Original, Best of Infogrames | | SLES-00838 … | |
| OverBlood | PSX | | Original | | SLES-00770 | |
| OverBlood | PSX | | Original | | SLES-00769 | |
| OverBlood | PSX | | Original | | SLES-00768 | |
| Oddworld: Abe's Oddysee | PSX | | Original, Platinum, Best of Infogrames: Value Series, Best of Infogrames: Adventure | | SLES-00664 … | |
| Olympic Soccer | PSX | | Original | | SLES-00113 | |
| Onside Complete Soccer | PSX | Rev 1 | Original | | SLES-00079 | |
| Onside Complete Soccer | PSX | | Original | | SLES-00079 | |
| Off-World Interceptor Extreme | PSX | | Original | | SLES-00047 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time to Kill + Duke Nukem: 3D | PSX | | | | SLED-01655 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time To Kill + B-Movie | PSX | | Demo | | SLED-01608 | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLED-00725 | |
| Omnia Junior 3: Il Mondo degli Animali | PC | | Covermount | | SIAE1001PA | |
| Omnia Junior 2: Storia: Attività interattive | PC | | Covermount | | SIAE 0901PA | |
| Omnia Junior 1: Enciclopedia: Dizionario | PC | | Covermount | | SIAE 08A01PA | |
| Oksfordzka Encyklopedia Historii Świata. Tom II | PC | | Covermount | | SELL 0108 | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount | | SELL 0103 | |
 | OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | PC | 1.00.0000 | Serie Maxima II | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | |
| OutRun 2 | XBOX | | Demo | | SE-057 | |
| 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 | |
| Official Fan Book: Circadia: Special CD-ROM
オフィシャルファンブック サーカディア | PSX | | Original | | SCZS 94106 | |
| Official Yarudora Fan Book: Yukiwari no Hana: CD-ROM Special Data-shuu
オフィシャルやるドラファンブック 雪割りの花 | PSX | | Original | | SCZS 94104 | |
| Official Yarudora Fan Book: Sampaguita
オフィシャルやるドラファンブック サンパギータ | PSX | | Original | | SCZS 94103 | |
| Official Yarudora Fan Book: Kisetsu o Dakishimete
オフィシャルやるドラファンブック 季節を抱きしめて | PSX | | Original | | SCZS 94102 | |
| Official Yarudora Fan Book: Double Cast: CD-ROM Special Data-shuu
オフィシャルやるドラファンブック ダブルキャスト | PSX | | Original | | SCZS 94101 | |
| Online Start-Up Disc 4.0 | PS2 | 1.00 | | | SCUS-97357 | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | SCUS 97425 | |
| 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 … | |
| Ore no Ryouri
俺の料理 | PSX | | Original, PlayStation the Best | | SCPS 10099 … | |
| Ore no Shikabane o Koete Yuke
俺の屍を越えてゆけ | PSX | | Original, PlayStation the Best, PSone Books, PSone Books (Silver Disc) | | SCPS 10074 … | |
| Odin Sphere
오딘 스피어 | PS2 | 1.00 | Sample | | SCKA 20107 | |
 | Official PlayStation 2 Magazine Demo 101
ops2m demo 101 eur | PS2 | 1.00 | | | SCED-55120 | |
| Official PlayStation 2 Magazine Demo 95
ops2m demo 95 eur | PS2 | 1.00 | | | SCED-55114 | |
| 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 | |
 | Official PlayStation 2 Magazine Demo 81
ops2m demo 81 spa/por | PS2 | 1.00 | | | SCED-54603 | |
| Official PlayStation 2 Magazine Demo 80
ops2m demo 80 spa/por | PS2 | 1.00 | | | SCED-54567 | |
| Official PlayStation 2 Magazine: Winter 2006
ops2 ger winter 2006 | PS2 | 1.00 | | | SCED-54558 | |
| Official PlayStation 2 Magazine Demo 77
ops2m germany 10-2006 | PS2 | 1.00 | | | SCED-54056 | |
| Official PlayStation 2 Magazine: Special Edition 2005/03
ops2 ger special 3/2005 | PS2 | 1.00 | | | SCED-53938 | |
| Official PlayStation 2 Magazine French Christmas Special Demo
ops2m french christmas special demo | PS2 | 1.00 | | | SCED-53854 | |
| Official PlayStation 2 Magazine: Kids Special
OPS2 Ger Kids Special/DEM/GER | PS2 | 1.00 | | | SCED-53611 | |
| Official PlayStation 2 Magazine Demo 58
ops2m demo 58: spa/por | PS2 | 1.00 | | | SCED-53348 | |
| 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 20: It's Here!
ops2m special edition 20/demo | PS2 | 1.01 | | | SCED-52196 | |
| Official PlayStation 2 Magazine Demo 32
PlayStation 2 Revista Oficial: Portugal 9 | PS2 | 1.00 | | | SCED-51657 | |
| Official PlayStation 2 Magazine Demo 37
PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 | |
| 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 15: Summer Blockbusters!
ops2m special edition 15 | PS2 | 1.00 | | | SCED-51544 | |
| Official PlayStation 2 Magazine-UK Special Edition 13: Girls! Motors! Guns! War! Monsters!
ops2m special edition 13 | PS2 | 1.00 | | | SCED-51542 | |
| Official PlayStation 2 Magazine-UK Special Edition 12: PlayStation 2 Blockbusters!
ops2m special edition 12 | PS2 | 1.01 | | | SCED-51541 | |
| 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 PlayStation 2 Magazine-UK: Crime Special
ops2m crime special | PS2 | 1.01 | | | SCED-51444 | |
| Official PlayStation 2 Magazine-UK Special Edition: Yearbook 2002
Best PS2 Games Ever 10 | PS2 | 1.00 | | | SCED-51389 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 9: Special Edition: Buyers Guide
playstation 2 greatest hits volume 9 | PS2 | 1.00 | | | SCED-51280 | |
| Official PlayStation 2 Magazine Demo 21
ops2m demo 21: euro version | PS2 | 1.00 | | | SCED-50989 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 8: Special Edition: Racing Games
playstation 2 greatest hits volume 8 | PS2 | 1.10 | | | SCED-50786 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 7: Special Edition: Sports Games
playstation 2 greatest hits volume 7 | PS2 | 1.00 | | | SCED-50785 | |
| 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 6: Special Edition: Awards 2002
playstation2 greatest hits volume 6 | PS2 | 1.00 | | | SCED-50783 | |
| Official Demo Disc Retail Edition February 02
official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 | |
| Official PlayStation 2 Magazine Demo 16
OPS2M DEMO 16/FRE | PS2 | 1.00 | | | SCED-50675 | |
| Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 4: Special Edition: Yearbook 2001
playstation2 greatest hits: vol 4 | PS2 | 1.00 | | | SCED-50164 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 3: Special Edition: Players Guide
playstation2 greatest hits: vol 3 | PS2 | 1.00 | | | SCED-50163 | |
| 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 UK PlayStation Best Games Ever! | PSX | | | | SCED-03408 | |
| Official PlayStation Magazine Best Games Ever 2000 | PSX | | | | SCED-03375 | |
| OPSM Best PS One Games Ever
Official Australian PlayStation Magazine Demo 44 | PSX | | | | SCED-03239 | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
| OPSM Best Racing Game Ever | PSX | | | | SCED-02492 | |
| Okiraku TownsGEAR
お気楽 ＴｏｗｎｓＧＥＡＲ | FMT | | Bundled with Book | | SBHW-00002 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| The Operative: No One Lives Forever (Disc 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 | |
| Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 | |
| Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 | |
| The Oregon Trail | WII | | 40th Anniversary Edition | | RVL-SORE-USA-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 | |
| Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 | |
| Outdoor Action Double Pack
Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 | |
| Offshore Tycoon | WII | | Original | | RVL-RXFE-USA | |
| Octomania | WII | | Original | | RVL-RTKE-USA | |
| Oboro Muramasa
朧村正 | WII | | Original, Minna no Osusume Selection | | RVL-RSFJ-JPN-B0 | |
| Ocean Commander | WII | | Original | | RVL-RQME-USA | |
| Opoona | WII | | Original | | RVL-RPOP-EUR | |
| Opoona
オプーナ | WII | | Original | | RVL-RPOJ-JPN | |
| Opoona | WII | | Original | | RVL-RPOE-USA | |
| Order Up! | WII | | Original | | RVL-ROXX-EUR | |
| Order Up! | WII | | Original | | RVL-ROXP-UKV | |
| Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA | |
| Order Up! | WII | | Original | | RVL-ROXE-USA | |
| Ōkami | WII | | Original | | RVL-ROWP-EUR | |
| Ookami
大神 | WII | | Original | | RVL-ROWJ-JPN-B0 | |
| Ōkami | WII | | Original | | RVL-ROWE-USA | |
| 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 | |
| Open Season | WII | | Original |     | RVL-ROPP-EUR | |
| Open Season | WII | | Original | | RVL-ROPE-USA | |
| Onechanbara: Bikini Zombie Slayers | WII | Rev 1 | Original | | RVL-RONP-EUR | |
| Oneechanbara Revolution
お姉チャンバラ Ｒｅｖｏｌｕｔｉｏｎ | WII | | Original | | RVL-RONJ-JPN | |
| Onechanbara: Bikini Zombie Slayers | WII | | Original | | RVL-RONE-USA | |
| Offroad Extreme! | WII | | Original | | RVL-ROFX-NOE | |
| Offroad Extreme! | WII | | Original | | RVL-ROFP-UKV-1 | |
| Offroad Extreme! Special Edition | WII | | Original | | RVL-ROFE-USA-B0 | |
| Odoru Made in Wario
おどる メイド イン ワリオ | WII | | Original | | RVL-RODJ-JPN | |
| Obscure II
ObsCure II | WII | | Original | | RVL-ROBP-EUR | |
| Obscure: The Aftermath
ObsCure: The Aftermath | WII | | Original | | RVL-ROBE-USA | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA | |
| Ousama Monogatari
王様物語 | WII | | Original | | RVL-RO3J-JPN-B0 | |
| Off Road | WII | | Original | | RVL-RO2P-EUR | |
| Ougon no Kizuna
黄金の絆 | WII | | Original | | RVL-RK7J-JPN | |
| One Piece: Unlimited Cruise 2: Awakening of a Hero | WII | | Original | | RVL-RIUP-EUR-B0 | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha
ワンピース アンリミテッドクルーズ エピソード２ 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-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 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 | |
| Osouji Sentai Clean Keeper
お掃除戦隊くりーんきーぱー | WII | | Original | | RVL-RC5J-JPN | |
| 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 | |
| Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 | |
| 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 | |
| Oceans Below | PC | | Bundle Version OEM | | RVL 13-004-059 Rev. A / 2198610-590002 / I 083100 | |
| Ob"ekt 69: Kasablanka
Объект 69: Касабланка | PC | | Original | | RUSSOBIT-M 2003/408 | |
| Onsen Ryokou Kakumei: Ich liebe dich.!
温泉旅行革命 ～Ｉｃｈ ｌｉｅｂｅ ｄｉｃｈ．！～ | PC | 1.00 | Original | | RUCCA-003 | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| Off Limits: Mizar | PC | | ROMWARE | | ROM 10120 | |
| Off Limits: Cassiopeia | PC | | ROMWARE | | ROM 10100 | |
| One Must Fall 2097
One Must Fall 2097 CD-ROM | PC | 1.1 | ROMWARE | | ROM 10017 | |
| OverKill | PC | | ROMWARE | | ROM 10 007 | |
| Outlaw Golf | PC | | Original | | RM-OUTGOLF-UK | |
| Outburst | PC | | Classic Value Series | | Product# 99043 | |
| The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144EE-CD | |
| The Oregon Trail: Classic Edition | PC | 3.0.1 | SoftKey | | POT144CE-CD | |
| The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144BE-CD | |
| Operation Flashpoint: Cold War Crisis | PC | | Playable Demo | | POPFCDUS40 | |
| Odell Down Under | PC | | Original, SoftKey | | POD544AE-CD | |
| 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 | |
| Ore no Shikabane o Koete Yuke
俺の屍を越えてゆけ | PSX | | Tentou-you Movie Disc | | PCPX 96160 | |
| 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 | |
| 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 | |
| Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX-95246 | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | PBPX-95242 | |
| Online Start-Up Disc v3.0 | PS2 | 1.02 | Original | | PBPX-95239 | |
 | Online Start-Up Disc v1.0
Disco de Inicio en Línea v1.0 | PS2 | 1.00 | Original | | PBPX 95250 … | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.02 | Bundled with PS2 | | PBPX 95248 … | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.01 | Bundled with PS2 | | PBPX 95248 | |
| Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX 95247 | |
| Ore no Ryouri
俺の料理 | PSX | | Taikenban | | PAPX 90089 | |
| OverBlood 2
オーバーブラッド２ | PSX | | Special Movie-ban | | PAPX 90046 … | |
| O! Rety! Psoty Dudusia Wesołka | PC | | Playada Gier | | P_20265_03A_PL | |
| De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 | |
| 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 | |
| The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 | |
| The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Original | | OTF744AE-CD2 | |
| The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Original | | OTA744CE-CD1 | |
| 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 | Rerelease | | OTA744BE-CD1 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | | Original | | OTA744AE-CD2 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.0 | Original | | OTA744AE-CD1 | |
| The Oregon Trail | PC | 1.22 | Smart Saver | | ORT844AE-CD | |
| The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD | |
| Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A | |
 | Operation Neptun | PC | 1.2 | Original | | ONT844AW-CD | |
| Operation Neptune | PC | 1.23 | The ClueFinders: Math Ages 9-12 | | ONT744EE-CD | |
| Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD | |
| 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 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 | |
| The Omega Stone: Secrets of the Ancients (Disc 4) | PC | | Original | | OMSTENCD4 | |
| The Omega Stone: Secrets of the Ancients (Disc 3) | PC | | Original | | OMSTENCD3 | |
| The Omega Stone: Secrets of the Ancients (Disc 2) | PC | | Original | | OMSTENCD2 | |
| The Omega Stone: Secrets of the Ancients (Disc 1) | PC | | Original | | OMSTENCD1 | |
| Oh!PC 1998-nen 11-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 １１月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9811 | |
| Oh!PC 1998-nen 10-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 １０月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9810 | |
| Oh!PC 1998-nen 9-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 ９月号 特別付録ＣＤーＲＯＭ | PC | | | | OHPC-9809 | |
| Oh!PC 1998-nen 8-gatsu-gou Tokubetsu Furoku CD-ROM
Ｏｈ！ＰＣ １９９８年 ８月号 特別付録ＣＤ－ＲＯＭ | PC | | | | OHPC-9808 | |
| Offroad
Off-Road Redneck Racing | PC | | Original | | OFFPCCDML | |
| Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 | |
| Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 | |
| Odyssee: Auf der Suche nach Odysseus (Disc 2) | PC | | Original | | ODY-GERCD2 | |
| Odyssee: Auf der Suche nach Odysseus (Disc 1) | PC | | Original | | ODY-GERCD1 | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | ODY-ENCD2 | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | ODY-ENCD1 | |
| 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 | |
| Oddworld: Munch's Oddysee | XBOX | | Platinum Hits | | MS-001 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oddworld: Munch's Oddysee | XBOX | | Original, Classics | | MS-001 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 | |
| Overlord: Raising Hell | PC | 1.3 | Original | | MOVLRCDEU00 | |
| Overlord II | PC | 1.0 | Original | | MOVL2CDUS00 | |
| Overlord II | PC | | Original | | MOVL2CDEU00 | |
| Overlord | PC | 1.2 | Original | | MOVL1CDPL00 (DVD), POVL1CDPL03 (Box) | |
| Overlord | PC | 1.0 | Original | | MOVL1CDFC00 | |
| Overlord | PC | | Original | | MOVL1CDEU00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDUS00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original | | MOFUCDUS00 | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original, Gold Edition | | MOFUCDEU00, MOFUCDUS00 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDUS00 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDEU00 | |
| Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 | |
| Operation Flashpoint: Red River | PC | 1.0 | Original | | MOFP3CDEU00 | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Operation Flashpoint: Dragon Rising | PC | 1.0 | Original | | MOFP2CDEU00 | |
| Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 | |
| Oddworld: Abe's Exoddus (Installatie Disk) | PC | 2.0 | Budget | | MMICDR 5280 | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Budget, Covermount | | MMICDR 5280 | |
| Outtrigger | DC | 1.001 | Original | | MK-51102-50 | |
| Obscure
ObsCure | XBOX | | Original | | MI-009 | |
| Obscure
ObsCure | XBOX | | Original | | MI-009 | |
| Obscure
ObsCure | XBOX | | Original | | MI-009 | |
| Obscure
ObsCure | XBOX | | Original | | MI-009 | |
| Online Connection CD: For the PlayStation Game Console | PSX | | Beta Trial Version 1.0 | | LSP-150500 … | |
| 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 | |
| Omerta: City of Gangsters | XBOX360 | | Original | | KY-2021 | |
| Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 | |
| Otomedius Gorgeous!
オトメディウス ゴージャス! | XBOX360 | | Original | | KN-2030 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition, Game of the Year Edition (BestSeller Series), Game of the Year Edition (Covermount) | | JCPL11, S0026179, S0026696 | |
| 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 | |
| Obsidian (Disc 1)
オブシディアン | PC | | Original | | INR-1003 | |
| 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 | |
