Region | Title | System | Version | Edition | Languages | Serial | Status |
| Obscure ObsCure | PS2 | 1.00 | Original | | SLES-52738 | |
| Obscure ObsCure | PC | | Original | | 71902134 | |
| Obscure ObsCure | PC | | Software Pyramide | | | |
| Obscure ObsCure | XBOX | | Original | | MI-009 | |
| Obscure ObsCure | PS2 | 1.00 | Original | | SLUS 20777 | |
| Obscure II ObsCure II | PS2 | 1.01 | Original | | SLES-54782 | |
| Obscure II ObsCure II | PC | 1.0 | Covermount | | | |
| Obscure II ObsCure II | PC | 1.0.0.0 | Original | | | |
| Obscure: The Aftermath ObsCure: The Aftermath | PSP | 1.01 | Original | | ULES-01340 | |
| Obscure: The Aftermath ObsCure: The Aftermath | PSP | 1.00 | Original, Test Sample | | ULUS-10484 | |
| Onimusha 3 鬼武者3 | PS2 | 1.01 | Original | | SLPM 65413 | |
| 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 Piece: Kaizoku Musou ワンピース 海賊無双 | PS3 | 01.02 | Original, Treasure Box | | BLAS 50450 … | |
| Operation | PC | | General Mills | | AM801R5 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.01 | | | SCED-52170 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51538 | |
| Official PlayStation 2 Magazine Demo 59 | PS2 | 1.00 | | | SCED-53162 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.04 | | | SCED-51539 … | |
| Official PlayStation 2 Magazine Demo 52 | PS2 | 1.01 | | | SCED-52167 | |
| OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | |
| O.D.T. | PSX | | Original | | SLUS-00698 | |
| Official U.S. PlayStation Magazine Demo Disc 11 | PSX | | | | SCUS-94218 | |
| 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 | |
| Official PlayStation 2 Magazine Demo 9 | PS2 | 1.10 | | | SCED-50144 | |
| Official PlayStation 2 Magazine Demo 1 | PS2 | 1.00 | | | SCED-50065 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.01 | | | SCED-52085 | |
| Das Offizielle PlayStation 2 Magazin 02/2004: Uncut Edition ops2m uncut edition 02/2004 | PS2 | 1.01 | | | SCED-52082 | |
| Official PlayStation 2 Magazine Demo 47 | PS2 | 1.01 | | | SCED-52087 | |
| Official PlayStation 2 Magazine Demo 46 | PS2 | 1.01 | | | SCED-52161 … | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.02 | | | SCED-51572 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.02 | | | SCED-51570 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.03 | | | SCED-51566 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.10 | | | SCED-50701 | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-51376 | |
| 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 17 | PS2 | 1.00 | | | SCED-50697 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50622 | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-51185 | |
| Official PlayStation 2 Magazine Demo 49 | PS2 | 1.01 | | | SCED-52076 … | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50736 | |
| Official PlayStation 2 Magazine Demo 23 | PS2 | 1.00 | | | SCED-50745 | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original, Gold Edition | | MOFUCDEU00, MOFUCDUS00 | |
| Odell Down Under | PC | | Original, SoftKey | | POD544AE-CD | |
| Out of This World | 3DO | | Original | | | |
| Official Sega Dreamcast Magazine: Special Edition Preview PC CD-ROM | PC | | | | | |
| Olympic Summer Games | PSX | | Original | | SLUS-00148 | |
| Oddworld: Abe's Exoddus + Duke Nukem: Time to Kill + Duke Nukem: 3D | PSX | | | | SLED-01655 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.02 | Original | | SLES-53998 | |
| Die Original Moorhuhn Jagd | PC | | Best of Moorhuhn | | | |
| Ookami 大神 | PS2 | 1.03 | Original, PlayStation 2 the Best | | SLPM 66375 … | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | IB2G-ODDG5 | |
| O.D.T. | PSX | | Original | | SLES-01391 | |
| Off-World Interceptor Extreme | PSX | | Original | | SLES-00047 | |
| OverBlood | PSX | | Original | | SLES-00768 | |
| The Operative: No One Lives Forever | PS2 | 1.50 | Original | | SLUS 20028 | |
| Open Season | PS2 | 1.01 | Original | | SLUS 21467 | |
| Olympic Games Olympic Games: Atlanta 1996 | PSX | | Original | | SLES-00110 | |
| Only You: Rebel Cross Only You リベルクルス | PS2 | 1.03 | Original, Drama CD Tsuki | | SLPS 25150 … | |
| Odin Sphere | PS2 | 1.00 | Original | | SLES-55110 | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| The Orange Box 오렌지 박스 | XBOX360 | | Original | | EA-2063 | |
| 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 | |
| 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 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
| Official Formula 1 Racing | PC | | Original | | | |
| 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 … | |
| Odium ōdi·um | PC | | Original | | CD-W58-1104-0 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDEU00 | |
| Orion's Puzzle Collection | DC | 1.000 | Unlicensed | | | |
| Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-016 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51531 | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Original | | 04-12608CD | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | | |
| Opoona | WII | | Original | | RVL-RPOE-USA | |
| Official PlayStation 2 Magazine Demo 44 | PS2 | 1.01 | | | SCED-52052 … | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.02 | | | SCED-51540 … | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.02 | | | SCED-51556 | |
| Outlaw Volleyball Remixed | PS2 | 1.02 | Original | | SLUS 21049 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLUS 21190 | |
| Outlaw Golf 2 | PS2 | 1.02 | Original | | SLUS 21030 | |
| Official Xbox Magazine Game Disc 91 | XBOX360 | | | | IM-2083 | |
| Official Xbox Magazine Game Disc 90 | XBOX360 | | | | IM-2082 | |
| Official PlayStation 2 Magazine Demo 89 | PS2 | 1.01 | | | SCED-54414 … | |
| Official PlayStation 2 Magazine Demo 70 | PS2 | 1.01 | | | SCED-54024 … | |
| Official PlayStation 2 Magazine Demo 69 | PS2 | 1.01 | | | SCED-53978 | |
| Official PlayStation 2 Magazine Demo 56 | PS2 | 1.01 | | | SCED-53122 | |
| Online Pro Wrestling オンラインプロレスリング | PS2 | 1.03 | Original | | SLPM 65586 | |
| Official Xbox Magazine Game Disc 23 | XBOX | | Original | | IM-023 | |
| Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-016 | |
| Onimusha: Blade Warriors | PS2 | 1.01 | Original | | SLUS-20710 | |
| Onimusha 3: Demon Siege | PS2 | 1.01 | Original | | SLUS-20694 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.03 | Original | | SLUS-20393 | |
| Onimusha: Warlords | PS2 | 1.00 | Original, Greatest Hits | | SLUS-20018 … | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLUS-00731 … | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLUS-00710 … | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLUS-20011 | |
| Ōkami | PS2 | 1.01 | Original, Greatest Hits | | SLUS 21115 … | |
| Oregon Trail II | PC | 1.31 | Rerelease | | HCD744BE-CD | |
| Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53290 | |
| Official PlayStation 2 Magazine Demo 59 | PS2 | 1.00 | | | SCED-53289 | |
| Official PlayStation 2 Magazine Demo 77 | PS2 | 1.01 | | | SCED-54049 | |
| Official PlayStation 2 Magazine Demo 82 | PS2 | 1.00 | | | SCED-54407 | |
| The Orange Box (Disc 2) | PC | | Original | | 985217 | |
| The Orange Box (Disc 1) | PC | | Original, EA Classics | | 985207, VAE07705811D, VAE07705811D/ENG, VAE07707118D/ENG, VAX07705811D/AUS | |
| 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 | |
| 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 | | | |
| Orion Burger | PC | | Gold Games 2 (CD 11) | | SPI 046 | |
| The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | |
| Official Xbox Magazine Game Disc 64 | XBOX | | | | IM-223 | |
| Official Xbox Magazine Game Disc 63 | XBOX | | | | IM-222 | |
| Official Xbox Magazine Game Disc 55 | XBOX | | | | IM-209 | |
| Official Xbox Magazine Game Disc 23 | XBOX | | | | IM-022 | |
| Official Xbox Magazine Game Disc 15 | XBOX | | | | IM-014 | |
| Official Xbox Magazine Game Disc 07 | XBOX | | | | IM-006 | |
| Official U.S. PlayStation Magazine Demo Disc 51 | PS2 | 1.00 | | | SCUS 97165 | |
| Official U.S. PlayStation Magazine Demo Disc 87 | PS2 | 1.01 | | | SCUS 97340 | |
| Official U.S. PlayStation Magazine Demo Disc 53 | PS2 | 1.00 | | | SCUS 97176 | |
| Official PlayStation 2 Magazine Demo 6 | PS2 | 1.00 | | | SCED-50141 | |
| Official PlayStation 2 Magazine Demo 58 ops2m demo 58: spa/por | PS2 | 1.00 | | | SCED-53348 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.00 | | | SCED-53288 | |
| Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53160 | |
| Official PlayStation 2 Magazine Demo 57 ops2m demo 57 | PS2 | 1.00 | | | SCED-53228 … | |
| Official PlayStation 2 Magazine Demo 56 ops2m demo 56 | PS2 | 1.03 | | | SCED-53176 | |
| Official PlayStation 2 Magazine Demo 56 ops2m demo 56 | PS2 | 1.01 | | | SCED-53132 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.00 | | | SCED-52120 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.00 | | | SCED-53123 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.01 | | | SCED-53068 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.01 | | | SCED-52169 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.01 | | | SCED-52168 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.00 | | | SCED-52990 | |
| Official PlayStation 2 Magazine Demo 52 | PS2 | 1.01 | | | SCED-52092 | |
| Official PlayStation 2 Magazine Demo 52 ops2m demo 52 | PS2 | 1.01 | | | SCED-52938 | |
| Official PlayStation 2 Magazine Demo 51 | PS2 | 1.00 | | | SCED-52166 | |
| 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 51 | PS2 | 1.00 | | | SCED-52786 … | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.03 | | | SCED-52165 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.01 | | | SCED-52796 | |
| Official PlayStation 2 Magazine Demo 50 ops2m demo 50 | PS2 | 1.02 | | | SCED-52785 … | |
| Official PlayStation 2 Magazine Demo 5 | PS2 | 1.00 | | | SCED-50140 | |
| Official PlayStation 2 Magazine Demo 49 | PS2 | 1.03 | | | SCED-52164 | |
| Official PlayStation 2 Magazine Demo 49 ops2m demo 49 | PS2 | 1.00 | | | SCED-52728 | |
| Official U.S. PlayStation Magazine Demo Disc 25 | PSX | | | | SCUS-94433 | |
| Official U.S. PlayStation Magazine Demo Disc 26 | PSX | | | | SCUS-94434 | |
| Official U.S. PlayStation Magazine Demo Disc 27 | PSX | | | | SCUS-94435 | |
| Official U.S. PlayStation Magazine Demo Disc 28 | PSX | | | | SCUS-94436 | |
| Official U.S. PlayStation Magazine Demo Disc 29 | PSX | | | | SCUS-94437 | |
| Official U.S. PlayStation Magazine Demo Disc 30 | PSX | | | | SCUS-94438 | |
| Official U.S. PlayStation Magazine Demo Disc 31 | PSX | | | | SCUS-94499 | |
| Official U.S. PlayStation Magazine Demo Disc 32 | PSX | | | | SCUS-94583 | |
| Official U.S. PlayStation Magazine Demo Disc 33 | PSX | | | | SCUS-94591 | |
| Official U.S. PlayStation Magazine Demo Disc 34 | PSX | | | | SCUS-94593 | |
| Official U.S. PlayStation Magazine Demo Disc 35 | PSX | | | | SCUS-94596 | |
| Official U.S. PlayStation Magazine Demo Disc 36 | PSX | | | | SCUS-94599 | |
| Official U.S. PlayStation Magazine Demo Disc 37 | PSX | | | | SCUS-94614 | |
| Official U.S. PlayStation Magazine Demo Disc 38 | PSX | | | | SCUS-94617 | |
| Official U.S. PlayStation Magazine Demo Disc 39 | PSX | | | | SCUS-94622 | |
| Official U.S. PlayStation Magazine Demo Disc 40 | PSX | | | | SCUS-94628 | |
| Official U.S. PlayStation Magazine Demo Disc 41 | PSX | | | | SCUS-94630 | |
| Official U.S. PlayStation Magazine Demo Disc 42 | PSX | | | | SCUS-94631 | |
| Official U.S. PlayStation Magazine Demo Disc 43 | PSX | | | | SCUS-94634 | |
| Official U.S. PlayStation Magazine Demo Disc 43 | PSX | EDC | | | SCUS-94634 | |
| Official U.S. PlayStation Magazine Demo Disc 44 | PSX | | | | SCUS-94637 | |
| Official U.S. PlayStation Magazine Demo Disc 45 | PSX | | | | SCUS-94645 | |
| Official U.S. PlayStation Magazine Demo Disc 46 | PSX | | | | SCUS-94649 | |
| Official U.S. PlayStation Magazine Demo Disc 47 | PSX | | | | SCUS-94652 | |
| Official U.S. PlayStation Magazine Demo Disc 48 | PSX | | | | SCUS-94655 | |
| Official U.S. PlayStation Magazine Demo Disc 49 | PS2 | 1.00 | | | SCUS 97158 | |
| Official U.S. PlayStation Magazine Demo Disc 50 | PSX | | | | SCUS-94658 | |
| Official U.S. PlayStation Magazine Demo Disc 52 | PSX | | | | SCUS-94662 | |
| Official U.S. PlayStation Magazine Demo Disc 54 | PSX | | | | SCUS-94664 | |
| Official U.S. PlayStation Magazine Demo Disc 55 | PS2 | 1.00 | | | SCUS 97181 | |
| Official U.S. PlayStation Magazine Demo Disc 56 | PS2 | 1.00 | | | SCUS 97182 | |
| Official U.S. PlayStation Magazine Demo Disc 57 | PS2 | 1.00 | | | SCUS 97183 | |
| Official U.S. PlayStation Magazine Demo Disc 58 | PS2 | 1.00 | | | SCUS 97184 | |
| Official U.S. PlayStation Magazine Demo Disc 59 | PS2 | 1.00 | | | SCUS 97185 | |
| Official U.S. PlayStation Magazine Demo Disc 60 | PS2 | 1.00 | | | SCUS 97186 | |
| Official U.S. PlayStation Magazine Demo Disc 61 | PS2 | 1.00 | | | SCUS 97187 | |
| Official U.S. PlayStation Magazine Demo Disc 62 | PS2 | 1.00 | | | SCUS 97188 | |
| Official U.S. PlayStation Magazine Demo Disc 63 | PS2 | 1.00 | | | SCUS 97189 | |
| Official U.S. PlayStation Magazine Demo Disc 64 | PS2 | 1.00 | | | SCUS 97190 | |
| Official U.S. PlayStation Magazine Demo Disc 65 | PS2 | 1.00 | | | SCUS 97191 | |
| Official U.S. PlayStation Magazine Demo Disc 66 | PS2 | 1.00 | | | SCUS 97241 | |
| Official U.S. PlayStation Magazine Demo Disc 67 | PS2 | 1.00 | | | SCUS 97242 | |
| Official U.S. PlayStation Magazine Demo Disc 68 | PS2 | 1.00 | | | SCUS 97243 | |
| Official U.S. PlayStation Magazine Demo Disc 69 | PS2 | 1.00 | | | SCUS 97244 | |
| Official U.S. PlayStation Magazine Demo Disc 70 | PS2 | 1.00 | | | SCUS 97245 | |
| Official U.S. PlayStation Magazine Demo Disc 71 | PS2 | 1.01 | | | SCUS 97246 | |
| Official PlayStation 2 Magazine-UK Special Edition 18: Hot 100 | PS2 | 1.01 | | | SCED-52193 | |
| 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-UK: Crime Special ops2m crime special | PS2 | 1.01 | | | SCED-51444 | |
| Official PlayStation Magazine Best Games Ever 2000 | PSX | | | | SCED-03375 | |
| Official PlayStation Magazine Platinum Special Demo Official UK PlayStation Magazine Platinum Special | PSX | | | | SCED-02122 | |
| Official U.S. PlayStation Magazine Demo Disc 01 | PSX | | | | SCUS-94189 | |
| Official U.S. PlayStation Magazine Demo Disc 02 | PSX | | | | SCUS-94198 | |
| Official U.S. PlayStation Magazine Demo Disc 03 | PSX | | | | SCUS-94210 | |
| Official U.S. PlayStation Magazine Demo Disc 04 | PSX | | | | SCUS-94211 | |
| Official U.S. PlayStation Magazine Demo Disc 05 | PSX | | | | SCUS-94212 | |
| Official U.S. PlayStation Magazine Demo Disc 06 | PSX | | | | SCUS-94213 | |
| Official U.S. PlayStation Magazine Demo Disc 07 | PSX | | | | SCUS-94214 | |
| Official U.S. PlayStation Magazine Demo Disc 08 | PSX | | | | SCUS-94215 | |
| Official U.S. PlayStation Magazine Demo Disc 09 | PSX | | | | SCUS-94216 | |
| Official U.S. PlayStation Magazine Demo Disc 10 | PSX | | | | SCUS-94217 | |
| Official U.S. PlayStation Magazine Demo Disc 100 | PS2 | 1.00 | | | SCUS 97452 | |
| Official U.S. PlayStation Magazine Demo Disc 101 | PS2 | 1.00 | | | SCUS 97453 | |
| Official U.S. PlayStation Magazine Demo Disc 102 | PS2 | 1.00 | | | SCUS 97454 | |
| Official U.S. PlayStation Magazine Demo Disc 103 | PS2 | 1.00 | | | SCUS 97531 | |
| Official U.S. PlayStation Magazine Demo Disc 104 | PS2 | 1.00 | | | SCUS 97532 | |
| Official U.S. PlayStation Magazine Demo Disc 105 | PS2 | 1.00 | | | SCUS 97533 | |
| Official U.S. PlayStation Magazine Demo Disc 106 | PS2 | 1.00 | | | SCUS 97534 | |
| Official U.S. PlayStation Magazine Demo Disc 107 | PS2 | 1.02 | | | SCUS 97535 | |
| Official U.S. PlayStation Magazine Demo Disc 108 | PS2 | 1.00 | | | SCUS 97536 | |
| Official U.S. PlayStation Magazine Demo Disc 109 | PS2 | 1.00 | | | SCUS 97537 | |
| Official U.S. PlayStation Magazine Demo Disc 110 | PS2 | 1.00 | | | SCUS 97538 | |
| Official U.S. PlayStation Magazine Demo Disc 111 | PS2 | 1.00 | | | SCUS 97539 | |
| Official U.S. PlayStation Magazine Demo Disc 112 | PS2 | 1.00 | | | SCUS 97540 | |
| Official U.S. PlayStation Magazine Demo Disc 12 | PSX | | | | SCUS-94219 | |
| Official U.S. PlayStation Magazine Demo Disc 13 | PSX | | | | SCUS-94275 | |
| Official U.S. PlayStation Magazine Demo Disc 14 | PSX | | | | SCUS-94276 | |
| Official U.S. PlayStation Magazine Demo Disc 15 | PSX | | | | SCUS-94277 | |
| Official U.S. PlayStation Magazine Demo Disc 16 | PSX | | | | SCUS-94278 | |
| Official U.S. PlayStation Magazine Demo Disc 17 | PSX | | | | SCUS-94279 | |
| Official U.S. PlayStation Magazine Demo Disc 18 | PSX | | | | SCUS-94280 | |
| Official U.S. PlayStation Magazine Demo Disc 19 | PSX | | | | SCUS-94281 | |
| Official U.S. PlayStation Magazine Demo Disc 20 | PSX | | | | SCUS-94282 | |
| Official U.S. PlayStation Magazine Demo Disc 21 | PSX | | | | SCUS-94429 | |
| Official U.S. PlayStation Magazine Demo Disc 22 | PSX | | | | SCUS-94430 | |
| Official U.S. PlayStation Magazine Demo Disc 23 | PSX | | | | SCUS-94431 | |
| Official U.S. PlayStation Magazine Demo Disc 24 | PSX | | | | SCUS-94432 | |
| Official PlayStation 2 Magazine Demo 98 | PS2 | 2.01 | | | SCED-55117 … | |
| Official PlayStation 2 Magazine Demo 99 | PS2 | 1.00 | | | SCED-55118 | |
| Official PlayStation 2 Magazine Germany Special 3/2005 ops2 ger special 3/2005 | PS2 | 1.00 | | | SCED-53938 | |
| Official PlayStation 2 Magazine Germany Special Edition 01/2004 | PS2 | 1.01 | | | SCED-52119 | |
| Official PlayStation 2 Magazine Spécial Noël 2004 | PS2 | 1.00 | | | SCED-52996 | |
| 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 4: Special Edition: Yearbook 2001 playstation2 greatest hits: vol 4 | PS2 | 1.00 | | | SCED-50164 | |
| 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 9: Special Edition: Buyers Guide playstation 2 greatest hits volume 9 | PS2 | 1.00 | | | SCED-51280 | |
| 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 Demo 97 | PS2 | 1.01 | | | SCED-55116 | |
| Official PlayStation 2 Magazine Demo 96 | PS2 | 1.00 | | | SCED-55115 … | |
| Official PlayStation 2 Magazine Demo 95 ops2m demo 95 eur | PS2 | 1.00 | | | SCED-55114 | |
| Official PlayStation 2 Magazine Demo 94 | PS2 | 1.01 | | | SCED-55113 | |
| Official PlayStation 2 Magazine Demo 93 | PS2 | 1.01 | | | SCED-54418 | |
| Official PlayStation 2 Magazine Demo 92 | PS2 | 1.00 | | | SCED-54417 | |
| Official PlayStation 2 Magazine Demo 91 | PS2 | 1.00 | | | SCED-54416 | |
| Official PlayStation 2 Magazine Demo 90 | PS2 | 1.00 | | | SCED-54415 | |
| Official PlayStation 2 Magazine Demo 9 | PS2 | 1.00 | | | SCED-50144 | |
| Official PlayStation 2 Magazine Demo 88 | PS2 | 1.02 | | | SCED-54413 … | |
| Official PlayStation 2 Magazine Demo 87 | PS2 | 1.01 | | | SCED-54412 | |
| Official PlayStation 2 Magazine Demo 85 | PS2 | 1.00 | | | SCED-54410 | |
| Official PlayStation 2 Magazine Demo 84 | PS2 | 1.01 | | | SCED-54409 … | |
| Official PlayStation 2 Magazine Demo 83 | PS2 | 1.00 | | | SCED-54408 … | |
| Official PlayStation 2 Magazine Demo 81 | PS2 | 1.00 | | | SCED-54406 … | |
| Official PlayStation 2 Magazine Demo 80 ops2m demo 80 spa/por | PS2 | 1.00 | | | SCED-54567 | |
| Official PlayStation 2 Magazine Demo 80 | PS2 | 1.00 | | | SCED-54405 | |
| Official PlayStation 2 Magazine Demo 8 | PS2 | 1.20 | | | SCED-50381 | |
| Official PlayStation 2 Magazine Demo 8 | PS2 | 1.00 | | | SCED-50143 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54058 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54404 | |
| Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54403 | |
| Official PlayStation 2 Magazine Demo 76 | PS2 | 1.01 | | | SCED-54048 | |
| Official PlayStation 2 Magazine Demo 75 | PS2 | 1.00 | | | SCED-54047 | |
| Official PlayStation 2 Magazine Demo 74 | PS2 | 1.00 | | | SCED-54046 | |
| Official PlayStation 2 Magazine Demo 74 ops2m demo 74/spa | PS2 | 1.01 | | | SCED-54202 | |
| Official PlayStation 2 Magazine Demo 73 ops2m demo 73/benelux | PS2 | 1.00 | | | SCED-54176 | |
| Official PlayStation 2 Magazine Demo 73 | PS2 | 1.01 | | | SCED-54045 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54044 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54070 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.02 | | | SCED-54043 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.00 | | | SCED-54099 | |
| Official PlayStation 2 Magazine Demo 7 | PS2 | 1.00 | | | SCED-50142 | |
| Official PlayStation 2 Magazine Demo 68 | PS2 | 1.00 | | | SCED-53171 … | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53932 | |
| Official PlayStation 2 Magazine Demo 67 | PS2 | 1.00 | | | SCED-53170 | |
| Official PlayStation 2 Magazine Demo 66 | PS2 | 1.00 | | | SCED-53169 | |
| Official PlayStation 2 Magazine Demo 65 | PS2 | 1.01 | | | SCED-53168 | |
| Official PlayStation 2 Magazine Demo 64 | PS2 | 1.00 | | | SCED-53167 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53166 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53293 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53165 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53292 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.01 | | | SCED-53164 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.00 | | | SCED-53291 | |
| Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53163 | |
| Official PlayStation 2 Magazine Demo 47 ops2m demo 47 | PS2 | 1.00 | | | SCED-52549 | |
| Official PlayStation 2 Magazine Demo 47 ops2m demo 47 | PS2 | 1.01 | | | SCED-52162 … | |
| Official PlayStation 2 Magazine Demo 45 ops2m demo 45 | PS2 | 1.02 | | | SCED-52452 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52442 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52160 | |
| Official PlayStation 2 Magazine Demo 44 ops2m demo 44 | PS2 | 1.01 | | | SCED-52377 | |
| Official PlayStation 2 Magazine Demo 43 ops2m uncut edition 03/04 | PS2 | 1.00 | | | SCED-52083 | |
| Official PlayStation 2 Magazine Demo 43 | PS2 | 1.00 | | | SCED-52051 | |
| Official PlayStation 2 Magazine Demo 43 | PS2 | 1.00 | | | SCED-52354 … | |
| Official PlayStation 2 Magazine Demo 42 ops2m demo 42 | PS2 | 1.01 | | | SCED-52271 | |
| Official PlayStation 2 Magazine Demo 41 ops2m demo 41 | PS2 | 1.00 | | | SCED-52177 | |
| Official PlayStation 2 Magazine Demo 41 ops2m 41 | PS2 | 1.01 | | | SCED-51536 … | |
| Official PlayStation 2 Magazine Demo 40 ops2m demo 40 | PS2 | 1.01 | | | SCED-52053 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.00 | | | SCED-51575 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.02 | | | SCED-51535 … | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.00 | | | SCED-52037 | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52163 | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52619 … | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52088 | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.00 | | | SCED-51537 | |
| Official PlayStation 2 Magazine Demo 36 | PS2 | 1.00 | | | SCED-51534 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51561 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51533 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.03 | | | SCED-51560 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51532 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51568 | |
| Official PlayStation 2 Magazine Demo 32 ops2m demo 32 | PS2 | 1.00 | | | SCED-51558 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51530 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.02 | | | SCED-51529 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51489 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51457 | |
| Official PlayStation 2 Magazine Demo 3 | PS2 | 1.00 | | | SCED-50067 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51440 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.01 | | | SCED-51384 … | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-50750 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.00 | | | SCED-51319 | |
| Official PlayStation 2 Magazine Demo 27 ops2m demo 27 | PS2 | 1.00 | | | SCED-51359 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.01 | | | SCED-50749 … | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.02 | | | SCED-50749 | |
| Official PlayStation 2 Magazine Demo 26 | PS2 | 1.02 | | | SCED-50748 … | |
| Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-50747 … | |
| Official PlayStation 2 Magazine Demo 24 ops2m demo 24 | PS2 | 1.00 | | | SCED-51147 | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-50746 | |
| Official PlayStation 2 Magazine Demo 22/23 ops2m demo 22/23 | PS2 | 1.00 | | | SCED-51016 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.00 | | | SCED-50744 … | |
| Official PlayStation 2 Magazine Demo 21 | PS2 | 1.00 | | | SCED-50742 … | |
| Official PlayStation 2 Magazine Demo 21 ops2m demo 21: euro version | PS2 | 1.00 | | | SCED-50989 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50945 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50743 | |
| Official PlayStation 2 Magazine Demo 2 | PS2 | 1.00 | | | SCED-50066 | |
| Official PlayStation 2 Magazine Demo 19 | PS2 | 1.00 | | | SCED-50154 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50825 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50153 … | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 … | |
| Official PlayStation 2 Magazine Demo 16 OPS2M DEMO 16/FRE | PS2 | 1.00 | | | SCED-50675 | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50151 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50150 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50610 … | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50149 | |
| Official PlayStation 2 Magazine Demo 13 ops2m demo 13 | PS2 | 1.00 | | | SCED-50593 | |
| Official PlayStation 2 Magazine Demo 13 | PS2 | 1.00 | | | SCED-50148 | |
| Official PlayStation 2 Magazine Demo 12 ops2m demo 12 | PS2 | 1.00 | | | SCED-50543 | |
| Official PlayStation 2 Magazine Demo 12 | PS2 | 1.00 | | | SCED-50147 | |
| Official PlayStation 2 Magazine Demo 11 ops2m demo 11 | PS2 | 1.00 | | | SCED-50463 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.10 | | | SCED-50146 | |
| Official PlayStation 2 Magazine Demo 101 ops2m demo 101 eur | PS2 | 1.00 | | | SCED-55120 | |
| Official PlayStation 2 Magazine Demo 100 | PS2 | 1.00 | | | SCED-55119 | |
| Official PlayStation 2 Magazine Demo 10 | PS2 | 1.10 | | | SCED-50145 | |
| OPSM Best PS One Games Ever Official Australian PlayStation Magazine Demo 44 | PSX | | | | SCED-03239 | |
| Official U.S. PlayStation Magazine Demo Disc 99 | PS2 | 1.00 | | | SCUS 97451 | |
| Official U.S. PlayStation Magazine Demo Disc 98 | PS2 | 1.01 | | | SCUS 97450 | |
| Official U.S. PlayStation Magazine Demo Disc 97 | PS2 | 1.00 | | | SCUS 97449 | |
| Official U.S. PlayStation Magazine Demo Disc 96 | PS2 | 1.00 | | | SCUS 97448 | |
| Official U.S. PlayStation Magazine Demo Disc 95 | PS2 | 1.00 | | | SCUS 97447 | |
| Official U.S. PlayStation Magazine Demo Disc 94 | PS2 | 1.00 | | | SCUS 97446 | |
| Official U.S. PlayStation Magazine Demo Disc 93 | PS2 | 1.01 | | | SCUS 97445 | |
| Official U.S. PlayStation Magazine Demo Disc 92 | PS2 | 1.00 | | | SCUS 97444 | |
| Official U.S. PlayStation Magazine Demo Disc 91 | PS2 | 1.00 | | | SCUS 97443 | |
| Official U.S. PlayStation Magazine Demo Disc 90 | PS2 | 1.00 | | | SCUS 97442 | |
| Official U.S. PlayStation Magazine Demo Disc 89 | PS2 | 1.00 | | | SCUS 97342 | |
| Official U.S. PlayStation Magazine Demo Disc 88 | PS2 | 1.01 | | | SCUS 97341 | |
| Official U.S. PlayStation Magazine Demo Disc 86 | PS2 | 1.00 | | | SCUS 97339 | |
| Official U.S. PlayStation Magazine Demo Disc 85 | PS2 | 1.00 | | | SCUS 97338 | |
| Official U.S. PlayStation Magazine Demo Disc 84 | PS2 | 1.00 | | | SCUS 97337 | |
| Official U.S. PlayStation Magazine Demo Disc 83 | PS2 | 1.00 | | | SCUS 97336 | |
| Official U.S. PlayStation Magazine Demo Disc 82 | PS2 | 1.00 | | | SCUS 97335 | |
| Official U.S. PlayStation Magazine Demo Disc 81 | PS2 | 1.00 | | | SCUS 97334 | |
| Official U.S. PlayStation Magazine Demo Disc 80 | PS2 | 1.00 | | | SCUS 97333 | |
| Official U.S. PlayStation Magazine Demo Disc 79 | PS2 | 1.00 | | | SCUS 97332 | |
| Official U.S. PlayStation Magazine Demo Disc 78 | PS2 | 1.01 | | | SCUS 97331 | |
| Official U.S. PlayStation Magazine Demo Disc 77 | PS2 | 1.00 | | | SCUS 97252 | |
| Official U.S. PlayStation Magazine Demo Disc 76 | PS2 | 2.01 | | | SCUS 97251 | |
| Official U.S. PlayStation Magazine Demo Disc 75 | PS2 | 1.00 | | | SCUS 97250 | |
| Official U.S. PlayStation Magazine Demo Disc 74 | PS2 | 1.00 | | | SCUS 97249 | |
| Official U.S. PlayStation Magazine Demo Disc 73 | PS2 | 1.00 | | | SCUS 97248 | |
| Official U.S. PlayStation Magazine Demo Disc 72 | PS2 | 1.00 | | | SCUS 97247 | |
| Obsidian (Disc 5) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 4) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 3) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 2) | PC | | Original, Complimentary Copy | | 11008 | |
| Obsidian (Disc 1) | PC | | Original, Complimentary Copy | | 11008 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644430 | |
| Onimusha: Warlords | PS2 | 1.02 | Original, Platinum | | SLES-50247 … | |
| Oscar | PC | | Jackson Libri | | | |
| Okage: Shadow King | PS2 | 1.01 | Original | | SCUS 97129 | |
| Oddworld: L'Exode d'Abe (Disc 2) | PSX | | Original | | SLES-11502 | |
| Oddworld: L'Exode d'Abe (Disc 1) | PSX | | Original | | SLES-01502 | |
| O.D.T. | PSX | | Original | | SLES-01409 | |
| Onimusha 鬼武者 | PS2 | 1.03 | Original, Mega Hits! | | SLPM 65010 … | |
| One Piece: Unlimited World R | PS3 | 01.01 | Original | | BLAS 50699 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00153 | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Original | | BLES-02020 | |
| Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.02 | Bundled with PS2 | | PBPX 95248 … | |
| Online Start-Up Disc v3.0 | PS2 | 1.01 | | | SCUS 97425 | |
| OnSide Soccer | 3DO | | Unlicensed (oldergames, Good Deal Games Double Header! Two Game Set) | | | |
| One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-01913 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original, Promo | | BLES-00597 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| Oshidashi Zintrick ~ ZinTricK 押し出しジントリック | NGCD | | Original | | ADCD-104 | |
| Official Xbox Magazine Game Disc 42 | XBOX | | Original | | IM-042 | |
| Official Xbox Magazine Game Disc 22 | XBOX | | Original | | IM-022 | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Outlaw Golf 2 | PS2 | 1.01 | Original | | SLES-52965 | |
| The Operative: No One Lives Forever | PS2 | 1.00 | Original | | SLES-50592 | |
| Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| Oregon Trail II | PC | 1.31 | Rerelease | | #HCD744AE-CD | |
| Otverzhennye: Tajna temnoj rasy (Disc 1) Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Day One Edition | | BLUS-31427 … | |
| Ob"ekt 69: Mest' Krassera Объект 69: Месть Крассера | PC | | Original | | | |
| Ob"ekt 69: Kasablanka Объект 69: Касабланка | PC | | Original | | RUSSOBIT-M 2003/408 | |
| Ookami: Zekkeiban 大神 絶景版 | PS3 | 00.00 | Original, PlayStation 3 the Best, PlayStation 3 the Best (Reprint) | | BLJM 55061 … | |
| Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Original, Love Revo Box | | SLPM 66238 … | |
| Odo Odo Oddity おどおどおっでぃ | PSX | | Original | | SLPS 00754 | |
| Oumagatoki 逢魔が時 プレミアム"FAN"ディスク | PSX | | Premium Fan Disc | | SLPM 80623 | |
| OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| Oksfordzka Encyklopedia Historii Świata | PC | | Covermount | | SELL 0103 | |
| Open Season | XBOX360 | | Original, ESA Foundation Holiday Bundle | | US-2024 | |
| Open Season | PSP | 1.01 | Original | | ULUS 10152 | |
| The Orange Box (Disc 2) | PC | | Original, EA Classics | | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | |
| Oddworld: Abe's Oddysee | PSX | | Demo | | SLED-00725 | |
| Official Disc 2003 | PS2 | 1.01 | Taikenban | | PAPX 90507 | |
| Official PlayStation Magazine Issue 71: June 2012 | PS3 | 01.00 | | | BCED-01566 | |
| Official PlayStation Magazine Issue 66: January 2012 | PS3 | 01.02 | | | BCED-01208 | |
| Overlord II | PS3 | 01.02 | Original | | BLES-00580 | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Oregon Trail II | PC | 1.3 | Smart Saver | | 381032-CD/i401ha | |
| Oddworld: Abe's Oddysee | PSX | Rev 1 | Original, Greatest Hits | | SLUS-00190 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLES-01171 | |
| Operation Flashpoint: Holodnaja vojna Операция Flashpoint: Холодная война | PC | 1.46 | Original | | | |
| Onimusha 3 | PS2 | 1.01 | Original | | SLES-51914 … | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| Otogi: Myth of Demons | XBOX | | Special Pack | | FS-002 | |
| Otogi: Hyakki Toubatsu Emaki O・TO・GI ~百鬼討伐絵巻~ | XBOX | | Special Pack | | FS-004 | |
| Operator's Side オペレーターズ・サイド | PS2 | 1.02 | Doukonban, Doukonban: PlayStation 2 the Best | | SCPS 15038 … | |
| Ougon Kishi Garo 黄金騎士 牙狼 | PS2 | 1.01 | Original | | SLPS 20463 | |
| 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 | |
| Official Xbox Magazine Game Disc 52 | XBOX | | Original | | IM-210 | |
| Ōkami | PS2 | 1.00 | Original | | SLES-54439 … | |
| Oddworld: Munch's Oddysee | XBOX | | Original, Classics | | MS-001 | |
| 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 … | |
| Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-016 | |
| Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-015 | |
| Omega Boost オメガ・ブースト | PSX | | Taikenban | | PAPX 90080 | |
| Otogi O・TO・GI ~御伽~ | XBOX | | Original | | FS-002 | |
| Obliterate | PS2 | 1.01 | Original | | SLES-53355 … | |
| O.D.T. | PC | | Original | | | |
| Othello | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLJM 60152 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original, Platinum | | SLES-11480 … | |
| Overboard! | PSX | | Original, 1998 4 PlayStation Multi Pack | | SLES-00865 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original, Platinum | | SLES-01480 … | |
| Oretachi ni Tsubasa wa Nai 俺たちに翼はない | PS3 | 01.01 | Original | | BLJM 61018 | |
| Oddworld: Abe's Exoddus (Install) | PC | 2.0 | Original | | 04-15993CD1 | |
| Oddworld: Abe's Exoddus (Play) | PC | | Original | | 04-15993CD2 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.01 | Original, Platinum: The Best of PSP | | ULES-00262 | |
| Official Xbox Magazine Game Disc 12 | XBOX | | | | IM-011 | |
| Official Xbox Magazine Game Disc 10 | XBOX | | | | IM-009 | |
| Oudou Yuusha 王道勇者 | PC | | Original | | ALS-0029 | |
| Outpost | PC | 1.5 | Rerelease, Sierra Originals | | | |
| The Operative: No One Lives Forever (Disc 2) ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original | | | |
| The Operative: No One Lives Forever (Disc 1) ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original | | | |
| Onimusha: Dawn of Dreams (Disc 2) | PS2 | 1.00 | Original | | SLES-82039 | |
| Onimusha: Dawn of Dreams (Disc 1) | PS2 | 1.00 | Original | | SLES-82038 | |
| Oddworld: L'Odyssée d'Abe | PSX | | Original, Best of Infogrames | | SLES-00838 … | |
| Outcast | PC | | Original | | | |
| Open Season (Disc 3) | PC | 1.00 | Original | | 5004904-CD 3 | |
| Open Season (Disc 2) | PC | 1.00 | Original | | 5004904-CD 2 | |
| One Piece: Grand Battle! 3 ONE PIECE ~グランド・バトル!3~ | GC | | Original | | DL-DOL-GOGJ-JPN | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDUS00 | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| Oumagatoki 逢魔が時 | PSX | | Original, PSone Books | | SLPS 03235 … | |
| The Orange Box (Disc 1) | PC | | Original | | VAX07705811D | |
| Omerta: City of Gangsters | XBOX360 | | Original | | KY-2021 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |