Region | Title | System | Version | Edition | Languages | Serial | Status |
| Onsen Ryokou Kakumei: Ich liebe dich.! 温泉旅行革命 ~Ich liebe dich.!~ | PC | 1.00 | Original | | RUCCA-003 | |
| Onsen de Takkyuu 温泉de卓球 | PC | | Original | | | |
| Onore no Shinzuru Michi o Yuke 己の信ずる道を征け | PSP | 1.01 | Original | | ULJM 05465 | |
| Onmyou Taisenki: Hasha no In 陰陽大戦記 ~覇者の印~ | PS2 | 1.03 | Original | | SLPS 25501 | |
| 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 | |
| Only You: Seikimatsu no Juliet-tachi Only You ~世紀末のジュリエットたち~ | FMT | | Shokai Gentei | | | |
| Only You: Rebel Cross Only You リベルクルス | PS2 | 1.03 | Original, Drama CD Tsuki | | SLPS 25150 … | |
| 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 | |
| Online Pro Wrestling オンラインプロレスリング | PS2 | 1.03 | Original | | SLPM 65586 | |
| 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 | |
| Onimusha Buraiden 鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 | |
| Onimusha 3 鬼武者3 | PS2 | 1.01 | Original | | SLPM 65413 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Shokai Press-ban | | SLPM 65100 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Original, Mega Hits! | | SLPM 65101 … | |
| Onimusha 鬼武者 | PS2 | 1.03 | Original, Mega Hits! | | SLPM 65010 … | |
| Onimusha 鬼武者 | PS2 | 1.01 | Taikenban | | SLPM 61001 | |
| Onikiri-den 鬼斬伝 | PC | | Original | | ZEUS-00001 | |
| Onii-chan Jushin-chuu お兄ちゃん受信中 | 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 | | | |
| 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 | |
| Oni no Kamen 鬼ノ仮面 | PC | 1.00 | Original | | | |
| Oni | PC | 1.00.000 | Original | | MTW-0390 | |
| Ongaku Tkool: Kanadeeru 2 音楽ツクール かなで~る2 | PSX | | Original | | SLPS 00903 | |
| Ongaku Tkool 3 音楽ツクール3 | PSX | | Original | | SLPS 03161 | |
| Onegai Countdown おねがいカウントダウン | PC | | Original | | YMH-0013 | |
| Oneechanbara Z: Kagura with NoNoNo! お姉チャンバラZ~カグラ~ With NoNoNo! | PS3 | 01.03 | Original | | BLJS 10221 | |
| Oneechanbara Z: Kagura お姉チャンバラZ~カグラ~ | XBOX360 | | Original | | DP-2036 | |
| 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 Revolution お姉チャンバラ Revolution | WII | | Original | | RVL-RONJ-JPN | |
| Onee-san to Issho! Kisekae Paradise お姉さんといっしょ! 着せ替え パラダイス | 3DO | | Original | | FZ-SJ5252 | |
| Onee-san to Issho! Janken Paradise お姉さんといっしょ! じゃんけん パラダイス | 3DO | | Original | | FZ-SJ5251 | |
| One-derful Theater ONEだふるシアター | X68K | | | | | |
| 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 | |
| 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 Piece: Unlimited World R ワンピース アンリミテッドワールド R | PS3 | 01.01 | Original | | BLJS 10272 | |
| One Piece: Unlimited 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 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 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: Round the Land! ワンピース ランドランド! | PS2 | 1.01 | Original | | SLPS 25382 | |
| 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 ワンピース パイレーツカーニバル | GC | | Original | | DL-DOL-GIPJ-JPN | |
| One Piece: Kaizoku Musou 3 ワンピース 海賊無双3 | PS3 | 01.01 | Original | | BLJM 61261 | |
| One Piece: Kaizoku Musou 2 ワン・ピース ~海賊無双2~ | PS3 | 01.02 | Treasure Box | | BLJM 60572 | |
| One Piece: Grand Battle! Rush ワン・ピース ~グラバト!ラッシュ~ | PS2 | 1.01 | Original | | SLPS 25473 | |
| One Piece: Grand Battle! Rush ワンピース グラバト! ラッシュ | GC | | Original | | DL-DOL-GOPJ-JPN | |
| One Piece: Grand Battle! 3 ONE PIECE グランドバトル!3 | PS2 | 1.02 | Original | | SLPS 25315 | |
| One Piece: Grand Battle! 3 ONE PIECE ~グランド・バトル!3~ | GC | | Original | | DL-DOL-GOGJ-JPN | |
| One Piece Mansion ワンピースマンション | PSX | | Taikenban | | SLPM 80617 | |
| One Piece Mansion ワンピースマンション | PSX | | Original | | SLPM 86837 | |
| One ワン | PSX | | Original | | SLPS 01812 | |
| On Air | PC | | Original | | BROWNIE 990201 | |
| Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 -Memories Off- | PS2 | 1.01 | Original | | SLPS 25173 | |
| Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 ~Memories Off~ | DC | 1.001 | Original | | T-19718M | |
| Omoi no Kakera: Close to 想いのかけら ‐Close to‐ | PS2 | 1.02 | 2800 Collection | | SLPM 66385 | |
| Omizu no Hanamichi お水の花道 | PSX | | Original | | SLPS 02815 | |
| Omise de Tenshu おみせde店主 | PSX | | Original | | SLPS 01876 | |
| 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 | |
| Omerta: Chinmoku no Okite: The Legacy オメルタ ~沈黙の掟~ THE LEGACY | PSP | 1.01 | Shokai Goukaban | | ULJM 06393 | |
| Omega Boost オメガ・ブースト | PSX | | Taikenban | | PAPX 90080 | |
| Omega Boost オメガ・ブースト | PSX | | Original, Preview | | SCPS 10020 | |
| Omakase! Savers おまかせ!退魔業 | SS | 1.002 | Original | | GS-9030 | |
| Olympic Soccer オリンピックサッカー | SS | 1.002 | Original | | T-7304G | |
| Olympic Soccer オリンピックサッカー | PSX | | Original | | SLPS 00523 | |
| 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 | |
| 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 | |
| Ollie King オーリーキング | CHIHIRO | 1.003 | Original | | GDX-0007 | |
| 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 | |
| Okiraku TownsGEAR お気楽 TownsGEAR | FMT | | Bundled with Book | | SBHW-00002 | |
| Okigaru Igo Taikyoku お気軽囲碁対局 | PALM | | Original | | | |
| Okigaru Igo Taikyoku お気軽囲碁対局 | PPC | | Original | | | |
| Okashina Mother Goose: Mixed-Up Mother Goose おかしなマザー・グース | FMT | | Original | | HMB-235 | |
| Okappari-ou 陸釣王 | PSX | | Original | | SLPS 01524 | |
| Ojousama Sousamou お嬢様捜査網 | PC-FX | | Original | | FXNHE616 | |
| 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 | |
| Ojousama Kumikyoku: Sweet Concert お嬢様組曲 -Sweet Concert- | PS2 | 1.01 | Special Pack-ban | | SLPM 66726 | |
| Ojousama Express (Disc 2) お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Ojousama Express (Disc 2) お嬢様特急 | PSX | | Original | | SLPS 01496 | |
| Ojousama Express (Disc 1) お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Ojousama Express (Disc 1) お嬢様特急 | PSX | | Original | | SLPS 01495 | |
| Ojousama Express お嬢様特急 | PSX | | Taikenban | | SLPM 80255 | |
| 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 | |
| Oilman オイルマン | 3DO | | Hibaihin | | OIL-9610 | |
| Öhlins Hyper-Rally ハイパーラリー | PSX | | Original | | SLPS 00462 | |
| 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 | |
| Oha Suta Series 02: Oha Ska! おはスタシリーズ02 おは スカ | KSITE | | Original | | 538714 | |
| Oha Suta Series 01: Zonapara おはスタシリーズ01 象南波羅~ゾナパラ~ | KSITE | | Original | | 536956 | |
| Oha Suta 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 | |
| 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 | |
| Oh!X 2001 Spring Special CD-ROM | X68K | | | | | |
| Oh!X 2000 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Oh!X 2000 Spring Special CD-ROM (Part 2) | X68K | | | | | |
| Oh!X 1999 Summer Special CD-ROM | X68K | | | | | |
| Oh!X 1999 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Oh!X 1999 Spring Special CD-ROM (Part 2) (Sampler Disc) | X68K | | | | | |
| Oh!X 1998 Spring Special CD-ROM (Part 1) | X68K | | | | | |
| Oh!X 1998 Spring Special CD-ROM (Part 2) (Sampler Disc) | X68K | | | | | |
| 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 | |
| Oh! Bakyuuun オーバキューン | PSX | | Original | | SLPS 02680 | |
| 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-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 2 おーちゃんのお絵かきロジック2 | PSX | Rev 1 | SunColle Best, Value 1500 | | SLPS 02145 … | |
| 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 おーちゃんのお絵かきロジック | SS | 1.005 | Original | | T-1508G | |
| Oh-chan no Oekaki Logic おーちゃんのお絵かきロジック | PSX | | Original, SunColle Best, Value 1500 | | SLPS 00093 … | |
| Oh No! オーノー! | PSX | | Original | | SLPS 02764 | |
| Ogura Hyakunin Isshu 小倉百人一首 | 3DO | | Original | | SV-0201 | |
| 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 | |
| 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 Disc 2003 | PS2 | 1.01 | Taikenban | | PAPX 90507 | |
| 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 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 オフ‐ワールド・インターセプター | 3DO | | Original | | FZ-SJ3151 | |
| Odoru Made in Wario おどる メイド イン ワリオ | WII | | Original | | RVL-RODJ-JPN | |
| Odo Odo Oddity おどおど おっでぃ | PSX | | Hibaihin | | SLPM 80075 | |
| Odo Odo Oddity おどおどおっでぃ | PSX | | Original | | SLPS 00754 | |
| ODN Palm Power Pack | PALM | | Original | | | |
| 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 オーディン・スフィア | PS2 | 1.02 | Original, PlayStation 2 the Best | | SLPM 66474 … | |
| Odama 大玉 | GC | Rev 1 | Bundled with Microphone | | DL-DOL-GOOJ-JPN | |
| Oda Nobunaga Den 織田信長伝 | PC | 1.0 | Original | | KN11-93101 | |
| Oda Nobunaga Den 織田信長伝 | PSX | | Original, Koei the Best | | SLPM 86337 … | |
| Ochigee Designer Tsukutte Pon! 落ちゲー・デザイナー 作ってポン! | SS | 1.090 | Original | | T-9108G | |
| Ochazukenori: Kaiki!! Mushi Danshaku no Yakata 御茶漬海苔 怪奇!!蟲男爵の館 | PC | | Original | | | |
| Ocha no Ma Battle お茶の間バトル | PSX | | Bundled with Controller | | SLPM 86681 | |
| Oceans Below オーシャンズ・ビロウ | 3DO | | Original | | FZ-SJ2752 | |
| Oceans Below オーシャンズ・ビロウ | MAC | | Original | | MSC001 | |
| Obsidian (Disc 5) 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) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 4) 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) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 3) 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) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 2) 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) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| 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 1) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Oboro Muramasa 朧村正 | WII | | Original, Minna no Osusume Selection | | RVL-RSFJ-JPN-B0 | |
| Obbligato (Taikenban CD-ROM) オブリガート 体験版CD-ROM | PC | | Demo | | | |
| Obaachan no Chiebukuro おばあちゃんの知恵袋 | FMT | | Original | | HMC-169 | |
| OASYS/Win V2.0 | FMT | | Original | | B28C7020 | |
| Oasis Road オアシスロード | PSX | | Original | | SLPS 01899 | |
| 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-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 | |
| Osef Minei Mischakim אוסף מיני משחקים | PC | | Original | | | |
| Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11880 | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01880 | |
| Over Load | PC | | | | | |
| OutRun 2006: Coast 2 Coast | PC | 1.00.0000 | Serie Maxima II | | SEGA-PC029 | |
| Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | | |
| Outlaws (Disco 1) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Outlaws (Disco 2) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Outlaws (Disco 1) | PC | 1.0 | LucasArts Classic | | 41175.101.IT | |
| Outlaws (Disco 2) | PC | 1.0 | LucasArts Classic | | 41175.102.IT | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
| Ostrich Runner | PC | | Microforum | | | |
| Oscar | PC | | Jackson Libri | | | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
| Oro e Gloria: La Strada per El Dorado | PSX | | Original | | SLES-03186 | |
| 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 | |
| The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0.0.4 | Game of the Year Edition (Covermount) | | | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| Only Fun: Entra anche tu nel mondo dei Videogames | PC | | | | | |
| Oni | PS2 | 1.02 | Original | | SLES-50178 | |
| Oni | PC | 1.0 | Covermount | | | |
| Oni | PC | 1.0 | Covermount | | | |
| 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 | |
| Olympic Soccer | PC | | CD-ROM Classic Collection 2 | | | |
| Oil Tycoon 2 Oil Tycoon 2: Il Ritorno di una Leggenda | PC | | EXA Games | | EXAG020 | |
| Offensive Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | | |
| Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 | |
| Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Covermount | | IB2G-ODDI5 | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLES-00840 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original, Platinum | | SLES-11504 … | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original, Platinum | | SLES-01504 … | |
| Oddworld: Abe's Exoddus (Installazione) | PC | 1.0 | Replay | | ABEXPCREI/A1 | |
| Oddworld: Abe's Exoddus (Gioco) | PC | 1.0 | Replay | | ABEXPCREI/A2 | |
| 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 | | | |
| ObsCure II | PC | 1.0 | Covermount | | | |
| ObsCure | PC | 1.1 | Covermount | | | |
| O.R.B: Off-World Resource Base | PC | | Covermount | | | |
| O.D.T. | PSX | | Original | | SLES-01411 | |
| Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | | |
| Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | | |
| Odysseia ΟΔΥΣΣΕΙΑ | PC | 1.8 | Original | | | |
| O Xephteris Taxideuei stin Ellada Ο Ξεφτέρης ταξιδεύει στην Ελλάδα | PC | | Original | | | |
| Oxyd Magnum! Gold Edition | PC | | Game-Pack 3 | | 80227 | |
| Overwatch | PC | | Origins Edition | | 052429 | |
| Overlord: Raising Hell | PC | 1.3 | Original | | MOVLRCDEU00 | |
| Overlord | PC | | Original | | MOVL1CDEU00 | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-12187 … | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-02187 … | |
| OverBlood | PSX | | Original | | SLES-00770 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14040 DE | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14039 DE | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Outlaws: Die Gesetzlosen (Disc 2) | PC | 1.1.1 | Original | | | |
| Outlaws: Die Gesetzlosen (Disc 1) | PC | 1.1.1 | Original | | | |
| Outlaws (Disc 2) | PC | 1.1 | Rerelease | | | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | | |
| Outlaws (Disc 1) | PC | 1.1 | Rerelease | | | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | | |
| The Outforce | PC | 1.0.0.0 | Original | | | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| Outer Ridge | PC | 1.0 | Original | | SPI004 | |
| Outcast (Disc 3) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A3 | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Outcast (Disc 2) | PC | | Play the Games Vol. 3 | | | |
| Outcast (Disc 1) | PC | | Play the Games Vol. 3 | | | |
| Outcast (Disc 1) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A1 | |
| Outbreaker | PC | | Original | | | |
| Our Worst Fears: Die Blumen des Todes | PC | | Original | | | |
| Otto's Ottifanten | PC | | Original | | | |
| Otto Bock: Orthopädische Industrie: Neuheiten Vol. 2: Stand Januar 1997 | CDI | | Original | | | |
| Othello | PC | | Original | | | |
| Osterspiele-Box Oster Spielebox | PC | | Original | | | |
| Oscar der Ballonfahrer und die Geheimnisse des Waldes | PC | | | | | |
| Orion Burger | PC | | Original | | | |
| Orion Burger | PC | | Gold Games 2 (CD 11) | | SPI 046 | |
| Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 | |
| Die Original Moorhuhn Jagd | PC | | Best of Moorhuhn | | | |
| The Orange Box (Disc 2) | PC | | Original | | VAD07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAD07705811D | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00171 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition | | S0025037 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | S0025036 | |
| The Operational Art of War II: 1956-2000 The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
| Operation Mittelmeer | PC | | Original | | | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Operation Barbarossa: The Struggle for Russia | PC | | Original | | | |
| Opera Fatal | PC | | Tandem | | 1444 | |
| Opera Fatal | PC | | Original | | | |
| Open Season (Disc 3) | PC | | Original | | 5004905-CD 3 | |
| Open Season (Disc 2) | PC | | Original | | 5004905-CD 2 | |
| Open Season (Disc 1) | PC | | Original | | 5004905-CD 1 | |
| Onkel Alberts geheimnisvolles Notizbuch | PC | | Original | | | |
| Oni | PS2 | 1.02 | Original | | SLES-50177 | |
| One Step Ahead | CDI | | | | Demo 10.05.94 | |
| OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | | |
| OMSI Add-on: Wien: Der Hochflurbus LU 200 | PC | 1.0 | OMSI Bundle | | | |
| Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 | |
| Olympic Soccer | SS | 2.000 | Original | | T-07904H-18 | |
| Olympic Soccer | PC | | Kixx | | | |
| Oldtimer: Erlebte Geschichte Teil II | PC | | Original | | | |
| Oldtimer | ACD | | Original | | | |
| Oldtimer | PHOTO-CD | | Original | | 813 0067 | |
| Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | | |
| OIO: The Game: Enlarged | PC | | F*ckn' Best of Independent Games: Collection Vol. 1 | | | |
| Oil Tycoon 2 | PC | | Original | | | |
| Oil Tycoon | PC | 1.0 | Original | | | |
| Oil Rush | PC | | Original | | | |
| Ogallala: Das Kartenspiel für PC | PC | | Original | | ECD000799D 00031111-001 | |
| Offroad Off-Road Redneck Racing | PC | | Original | | ECD 000592K | |
| Das Offizielle Xbox-Magazin: Cover-DVD 12/2005 | XBOX | | Original | | IM-048 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 12/2002 | XBOX | | Original | | IM-003 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2005 | XBOX | | Original | | IM-046 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2004 | XBOX | | Original | | IM-035 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2003 | XBOX | | Original | | IM-022 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2002 | XBOX | | Original | | IM-002 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 10/2005 | XBOX | | Original | | IM-045 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 10/2004 | XBOX | | Original | | IM-034 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 10/2003 | XBOX | | Original | | IM-021 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2006 | XBOX | | Original | | IM-226 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2005 | XBOX | | Original | | IM-044 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2004 | XBOX | | Original | | IM-032 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2006 | XBOX | | Original | | IM-226 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2005 | XBOX | | Original | | IM-043 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2003 | XBOX | | Original | | IM-019 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2002 | XBOX | | Original | | IM-001 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2005 | XBOX | | Original | | IM-042 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2004 | XBOX | | Original | | IM-030 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2003 | XBOX | | Original | | IM-018 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2005 | XBOX | | Original | | IM-041 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2004 | XBOX | | Original | | IM-029 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2003 | XBOX | | Original | | IM-017 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 05/2005 | XBOX | | Original | | IM-040 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 04/2005 | XBOX | | Original | | IM-039 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 04/2003 | XBOX | | Original | | IM-015 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 03/2005 | XBOX | | Original | | IM-038 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 02/2003 | XBOX | | Original | | IM-013 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2006 | XBOX | | Original | | IM-049 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2004 | XBOX | | Original | | IM-024 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2003 | XBOX | | Original | | IM-012 | |
| Das Offizielle PlayStation 2 Magazin: Special Edition 2 german special edition demo 2 | PS2 | 1.00 | | | SCED-51161 | |
| Das Offizielle PlayStation 2 Magazin 13/2003: Uncut Edition ops2m uncut edition 13/03 | PS2 | 1.00 | | | SCED-51937 | |
| Das Offizielle PlayStation 2 Magazin 12/2003 ops2m demo uncut edition 12/2003 | PS2 | 1.00 | | | SCED-51936 | |
| Das Offizielle PlayStation 2 Magazin 09/2004 OPS2M Uncut Edition 09/04 | PS2 | 1.02 | | | SCED-52089 … | |
| Das Offizielle PlayStation 2 Magazin 02/2004: Uncut Edition ops2m uncut edition 02/2004 | PS2 | 1.01 | | | SCED-52082 | |
| Official PlayStation 2 Magazine: German Kids Special OPS2 Ger Kids Special/DEM/GER | PS2 | 1.00 | | | SCED-53611 | |
| Official PlayStation 2 Magazine Sonderausgabe 2004/3 | PS2 | 1.00 | | | SCED-52997 | |
| Official PlayStation 2 Magazine Germany Winter 2006 ops2 ger winter 2006 | PS2 | 1.00 | | | SCED-54558 | |
| Official PlayStation 2 Magazine Germany Special Edition 2007-1 | PS2 | 1.02 | | | SCED-54693 | |
| Official PlayStation 2 Magazine Germany Special Edition 2005/01 ops2m ger special 01/2005 | PS2 | 1.02 | | | SCED-53298 | |
| Official PlayStation 2 Magazine Germany Special Edition 2003/03 | PS2 | 1.00 | | | SCED-51551 | |
| Official PlayStation 2 Magazine Germany Special Edition 2003/02 | PS2 | 1.01 | | | SCED-51549 | |
| Official PlayStation 2 Magazine Germany Special Edition 2003/01 ops2m germany special edition 2003/01 | PS2 | 1.00 | | | SCED-51512 | |
| Official PlayStation 2 Magazine Germany Special Edition 1 ops2m germany special edition 1 | PS2 | 1.10 | | | SCED-50780 | |
| Official PlayStation 2 Magazine Germany Special Edition 01/2004 | PS2 | 1.01 | | | SCED-52119 | |
| Official PlayStation 2 Magazine Germany Special 3/2005 ops2 ger special 3/2005 | PS2 | 1.00 | | | SCED-53938 | |
| Official PlayStation 2 Magazine Germany Special 2/2005 | PS2 | 1.00 | | | SCED-53662 | |
| Official PlayStation 2 Magazine Demo 84 | PS2 | 1.00 | | | SCED-54758 | |
| 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 | PS2 | 1.00 | | | SCED-54605 | |
| Official PlayStation 2 Magazine Demo 80 | PS2 | 1.00 | | | SCED-54059 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54058 | |
| Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54057 | |
| Official PlayStation 2 Magazine Demo 77 ops2m germany 10-2006 | PS2 | 1.00 | | | SCED-54056 | |
| Official PlayStation 2 Magazine Demo 76 | PS2 | 1.01 | | | SCED-54055 | |
| Official PlayStation 2 Magazine Demo 75 | PS2 | 1.00 | | | SCED-54054 | |
| Official PlayStation 2 Magazine Demo 74 | PS2 | 1.01 | | | SCED-54053 | |
| Official PlayStation 2 Magazine Demo 73 | PS2 | 1.00 | | | SCED-54052 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54051 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54050 | |
| Official PlayStation 2 Magazine Demo 70 | PS2 | 1.01 | | | SCED-54037 | |
| Official PlayStation 2 Magazine Demo 69 | PS2 | 1.00 | | | SCED-53217 | |
| Official PlayStation 2 Magazine Demo 68 | PS2 | 1.00 | | | SCED-53216 | |
| Official PlayStation 2 Magazine Demo 67 | PS2 | 1.00 | | | SCED-53215 | |
| Official PlayStation 2 Magazine Demo 66 | PS2 | 1.00 | | | SCED-53214 | |
| Official PlayStation 2 Magazine Demo 65 | PS2 | 1.00 | | | SCED-53213 | |
| Official PlayStation 2 Magazine Demo 64 | PS2 | 1.01 | | | SCED-53212 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53211 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53210 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.01 | | | SCED-53209 | |
| Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53208 | |
| Official PlayStation 2 Magazine Demo 59 | PS2 | 1.01 | | | SCED-53207 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.02 | | | SCED-53206 | |
| Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53159 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.00 | | | SCED-52120 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53056 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.00 | | | SCED-52080 | |
| Official PlayStation 2 Magazine Demo 52 | PS2 | 1.01 | | | SCED-52092 | |
| Official PlayStation 2 Magazine Demo 51 Das Offizielle PlayStation 2 Magazin 11/2004: Uncut Edition | PS2 | 1.01 | | | SCED-52091 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.02 | | | SCED-52090 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.01 | | | SCED-52796 | |
| Official PlayStation 2 Magazine Demo 49 | PS2 | 1.01 | | | SCED-52076 … | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52088 | |
| Official PlayStation 2 Magazine Demo 47 | PS2 | 1.01 | | | SCED-52087 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.01 | | | SCED-52085 | |
| Official PlayStation 2 Magazine Demo 43 ops2m uncut edition 03/04 | PS2 | 1.00 | | | SCED-52083 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.01 | | | SCED-52069 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52068 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52081 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.00 | | | SCED-51575 | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.00 | | | SCED-52037 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.01 | | | SCED-51935 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51573 | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.02 | | | SCED-51572 | |
| Official PlayStation 2 Magazine Demo 36 | PS2 | 1.01 | | | SCED-51571 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.02 | | | SCED-51570 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51569 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51568 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.02 | | | SCED-51567 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.03 | | | SCED-51566 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51483 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51432 | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-51376 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.00 | | | SCED-51319 | |
| Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-51262 | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-51185 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.10 | | | SCED-50701 | |
| Official PlayStation 2 Magazine Demo 21 | PS2 | 1.00 | | | SCED-50700 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.00 | | | SCED-50699 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50698 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50697 | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50736 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50685 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50622 | |
| Official PlayStation 2 Magazine Demo 13 ops2m demo 13 | PS2 | 1.00 | | | SCED-50594 | |
| Official PlayStation 2 Magazine Demo 12 | PS2 | 1.00 | | | SCED-50506 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.00 | | | SCED-50460 | |
| Official PlayStation 2 Magazine Demo 10 ops2m demo 10 | PS2 | 1.00 | | | SCED-50404 | |
| Off Limits: Mizar | PC | | ROMWARE | | ROM 10120 | |
| Off Limits: Cassiopeia | PC | | ROMWARE | | ROM 10100 | |
| Of Light and Darkness: The Prophecy (Disc 3) | PC | | Original | | | |
| Of Light and Darkness: The Prophecy (Disc 2) | PC | | Original | | | |
| Of Light and Darkness: The Prophecy (Disc 1) | PC | | Original | | | |
| Odyssee: Auf der Suche nach Odysseus (Disc 2) | PC | | Original | | ODY-GERCD2 | |
| Odyssee: Auf der Suche nach Odysseus (Disc 1) | PC | | Original | | ODY-GERCD1 | |
| Oddworld: Strangers Vergeltung | XBOX | | Original | | EA-109 | |
| Oddworld: Munch's Oddysee | XBOX | | Original, Classics | | MS-001 | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | IB2G-ODDG5 | |
| Oddworld: Abe's Oddysee | PSX | | Platinum | | SLES-00839 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLES-11503 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01503 | |
| Oddworld: Abe's Exoddus (CD Installieren) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (CD Abspielen) | PC | 2.0 | Original | | | |
| Ocean Jewels | PC | | Red Rocks | | | |
| Obsidian (Disc 5) | PC | | Original | | | |
| Obsidian (Disc 4) | PC | | Original | | | |
| Obsidian (Disc 3) | PC | | Original | | | |
| Obsidian (Disc 2) | PC | | Original | | | |
| Obsidian (Disc 1) | PC | | Original | | | |
| ObsCure | PC | | Original | | 71902134 | |
| ObsCure | PC | | Software Pyramide | | | |
| ObsCure | PC | | Best of Atari | | | |
| O.D.T. | PSX | | Demo | | SLED-01575 | |
| O.D.T. | PC | | Original | | | |
| O.D.T. | PSX | | Original | | SLES-01410 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50945 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 | |
| OverBlood | PSX | | Original | | SLES-00769 | |
| Outlaws (Disc 2) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 2) | PC | | Original | | | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 1) | PC | | Original | | | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 | |
| Les Ours Berenstain: Comme des Grands | CDI | 1.05 | | | 812 0063 | |
| Original War (Disc 2) | PC | | Original | | | |
| Original War (Disc 1) | PC | | Original | | | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00172 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
| L'Open de Palm Springs | CDI | | Original, For Demonstration Only | | 812 0002 | |
| Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | | |
| Oni | PS2 | 1.02 | Original | | SLES-50176 | |
| One Must Fall 2097 | PC | | Demo: JukeBox Collection | | | |
| One | PSX | | Demo | | SLED-01170 | |
| Official PlayStation 2 Magazine Spécial Noël 2004 | PS2 | 1.00 | | | SCED-52996 | |
| Official PlayStation 2 Magazine French Christmas Special Demo ops2m french christmas special demo | PS2 | 1.00 | | | SCED-53854 | |
| Official PlayStation 2 Magazine Demo 8 | PS2 | 1.20 | | | SCED-50381 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54481 | |
| Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54480 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54144 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.02 | | | SCED-54079 | |
| Official PlayStation 2 Magazine Demo 70 | PS2 | 2.00 | | | SCED-54024 | |
| Official PlayStation 2 Magazine Demo 69 ops2m demo 69™ | PS2 | 1.00 | | | SCED-54001 | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53916 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.01 | | | SCED-53325 | |
| Official PlayStation 2 Magazine Demo 53 ops2m demo 53 | PS2 | 1.01 | | | SCED-52991 | |
| Official PlayStation 2 Magazine Demo 47 ops2m demo 47 | PS2 | 1.00 | | | SCED-52549 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52442 | |
| Official PlayStation 2 Magazine Demo 44 ops2m demo 44 | PS2 | 1.01 | | | SCED-52377 | |
| Official PlayStation 2 Magazine Demo 42 ops2m demo 42 | PS2 | 1.01 | | | SCED-52273 | |
| Official PlayStation 2 Magazine Demo 41 ops2m demo 41 | PS2 | 1.00 | | | SCED-52185 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-51565 | |
| Official PlayStation 2 Magazine Demo 37 PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51561 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.03 | | | SCED-51560 | |
| Official PlayStation 2 Magazine Demo 33 ops2m demo 33 | PS2 | 1.03 | | | SCED-51559 | |
| Official PlayStation 2 Magazine Demo 32 ops2m demo 32 | PS2 | 1.00 | | | SCED-51558 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51489 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51440 | |
| Official PlayStation 2 Magazine Demo 27 ops2m demo 27 | PS2 | 1.00 | | | SCED-51359 | |
| Official PlayStation 2 Magazine Demo 25 ops2m demo 25 | PS2 | 1.00 | | | SCED-51279 | |
| Official PlayStation 2 Magazine Demo 24 ops2m demo 24 | PS2 | 1.00 | | | SCED-51147 | |
| Official PlayStation 2 Magazine Demo 22/23 ops2m demo 22/23 | PS2 | 1.00 | | | SCED-51016 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50825 | |
| Official PlayStation 2 Magazine Demo 16 OPS2M DEMO 16/FRE | PS2 | 1.00 | | | SCED-50675 | |
| Official PlayStation 2 Magazine Demo 13 ops2m demo 13 | PS2 | 1.00 | | | SCED-50593 | |
| Official PlayStation 2 Magazine Demo 12 ops2m demo 12 | PS2 | 1.00 | | | SCED-50543 | |
| Official PlayStation 2 Magazine Demo 11 ops2m demo 11 | PS2 | 1.00 | | | SCED-50463 | |
| Official Demo Disc Retail Edition February 02 official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Oddworld: La Fureur de l'Etranger Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: L'Odyssée d'Abe | PSX | | Original, Best of Infogrames | | SLES-00838 … | |
| Oddworld: L'Odyssée d'Abe | PC | | Original | | IB2G-ODDF5 | |
| Oddworld: L'Exode d'Abe (Disc 2) | PSX | | Original | | SLES-11502 | |
| Oddworld: L'Exode d'Abe (Disc 1) | PSX | | Original | | SLES-01502 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time to Kill + Duke Nukem: 3D | PSX | | | | SLED-01655 | |
| Obut Pétanque 2 | PS3 | 01.01 | Original | | BLES-01696 | |
| Obut Pétanque 2 | XBOX360 | | Original | | W6-2008 | |
| Obut Pétanque | PS3 | 01.01 | Original | | BLES-01340 | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| Objectif Transparence | CDI | | Original | | RP IND 4 94 | |
| O.D.T. | PSX | | Original | | SLES-01409 | |
| O.D.T. | PSX | | Demo | | SLED-01574 | |