Region | Title | System | Version | Edition | Languages | Serial | Status |
| Official Xbox Magazine Game Disc 05 | XBOX | | Original | | IM-005 | |
| Official Xbox Magazine Game Disc 04 | XBOX | | Original | | IM-004 | |
| Official Xbox Magazine Game Disc 03 | XBOX | | Original | | IM-003 | |
| Official Xbox Magazine Game Disc 02 | XBOX | | Original | | IM-002 | |
| Oz OZ -オズ- | PS2 | 1.02 | Original, Konami the Best | | SLPM 66033 … | |
| Othello | PC | | Original | | 99011 | |
| Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX-95246 | |
| Operation Neptune | PC | 1.23 | The ClueFinders: Math Ages 9-12 | | ONT744EE-CD | |
| Online Start-Up Disc v3.0 | PS2 | 1.02 | Original | | PBPX-95239 | |
| Outpost | PC | | Original | | S725430 | |
| Open Season (Disc 3) | PC | 1.0 | Original | | 683131-CD3 | |
| Open Season (Disc 2) | PC | 1.0 | Original | | 683131-CD2 | |
| Open Season (Disc 1) | PC | 1.0 | Original | | 683131-CD1 | |
| Operation Body Count: One Level Preview | PC | | Original | | | |
| Official Xbox Magazine Game Disc 41 | XBOX | | Original | | IM-041 | |
| Official Xbox Magazine Game Disc 27 | XBOX | | Original | | IM-027 | |
| Official Xbox Magazine Game Disc 21 | XBOX | | Original | | IM-021 | |
| Outlaws: Cidade Sem Lei (Disc 2) | PC | 2.0 | Original | | 0806.06.0 | |
| Outlaws: Cidade Sem Lei (Disc 1) | PC | 2.0 | Original | | 0806.05.0 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Oregon Trail II + Logic Quest | PC | 1.2/1.0 | Original | | | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859-CD | |
| 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 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 | 1.2 | Original | | #HCD706 | |
| Olympic Soccer | PC | | CD-ROM Classic Collection 2 | | | |
| Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 | |
| Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 | |
| Our House featuring The Family Circus | VIS | | Original | | 25-6146 | |
| Official Xbox Magazine Game Disc 20 | XBOX | | Original | | IM-020 | |
| Official Duke Nukem 3D Level Design Handbook | PC | | Original | | 1869-0 | |
| Otogi Story: Tenshi no Shippo おとぎストーリー ~天使のしっぽ~ | PSX | | Original | | SLPS 03531 | |
| Official PlayStation Magazine Issue 65: Christmas 2011 | PS3 | 01.00 | | | BCED-01207 | |
| Official PlayStation Magazine Issue 83: May 2013 | PS3 | 01.00 | | | BCED-01818 | |
| Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oyaji no Jikan: Nee-chan Mahjong de Shoubu ya! おやじの時間 ~ねーちゃん麻雀で勝負や!~ | PSX | | Renkaban | | SLPS 03262 | |
| Oyaji no Jikan: Nee-chan Hanafuda de Shoubu ya! おやじの時間 ~ねーちゃん花札で勝負や!~ | PSX | | Original | | SLPS 02591 | |
| 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 | |
| Official Xbox Magazine Game Disc 60 | XBOX | | Original | | IM-229 | |
| Official Xbox Magazine Game Disc 57 | XBOX | | Original | | IM-227 | |
| Official Xbox Starter Pack 2004 | XBOX | | Original | | IM-001 | |
| Official Xbox Magazine Game Disc 61 | XBOX | | Original | | IM-229 | |
| Oda Nobunaga Den 織田信長伝 | PSX | | Original, Koei the Best | | SLPM 86337 … | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Original | | 9511831 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Original | | 9511830 | |
| Official Xbox Magazine Game Disc 54e | XBOX360 | | | | SQ-2002 | |
| Official Xbox Magazine Game Disc 26 | XBOX | | Original | | IM-025 | |
| Official Xbox Magazine Game Disc 26 | XBOX | | Original | | IM-026 | |
| Official Xbox Magazine Game Disc 25 | XBOX | | Original | | IM-025 | |
| Official Xbox Magazine Game Disc 25 | XBOX | | Original | | IM-024 | |
| Official Xbox Magazine Game Disc 24 | XBOX | | Original | | IM-024 | |
| Official Xbox Magazine Game Disc 24 | XBOX | | Original | | IM-023 | |
| Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-017 | |
| Official Xbox Magazine Game Disc 19 | XBOX | | Original | | IM-019 | |
| Official Xbox Magazine Game Disc 27 | XBOX | | Original | | IM-027 | |
| Official Xbox Magazine Game Disc 28 | XBOX | | Original | | IM-028 | |
| Official Xbox Magazine Game Disc 29 | XBOX | | Original | | IM-029 | |
| Official Xbox Magazine Game Disc 30 | XBOX | | Original | | IM-030 | |
| Official Xbox Magazine Game Disc 31 | XBOX | | Original | | IM-031 | |
| Official Xbox Magazine Game Disc 32 | XBOX | | Original | | IM-032 | |
| Official Xbox Magazine Game Disc 33 | XBOX | | Original | | IM-033 | |
| Official Xbox Magazine Game Disc 34 | XBOX | | Original | | IM-034 | |
| Official Xbox Magazine Game Disc 35 | XBOX | | Original | | IM-035 | |
| Official Xbox Magazine Game Disc 36 | XBOX | | Original | | IM-036 | |
| Official Xbox Magazine Game Disc 37 | XBOX | | Original | | IM-037 | |
| Official Xbox Magazine Game Disc 38 | XBOX | | Original | | IM-038 | |
| Official Xbox Magazine Game Disc 43 | XBOX | | Original | | IM-043 | |
| Official Xbox Magazine Game Disc 43 | XBOX | | Original | | IM-070 | |
| Official Xbox Magazine Game Disc 42 | XBOX | | Original | | IM-069 | |
| Official Xbox Magazine Game Disc 41 | XBOX | | Original | | IM-068 | |
| Official Xbox Magazine Game Disc 40 | XBOX | | Original | | IM-067 | |
| Official Xbox Magazine Game Disc 39 | XBOX | | Original | | IM-039 | |
| Official Xbox Magazine Game Disc 44 | XBOX | | Original | | IM-044 | |
| Official Xbox Magazine Game Disc 44 | XBOX | | Original | | IM-071 | |
| Official Xbox Magazine Game Disc 45 | XBOX | | Original | | IM-074 | |
| Official Xbox Magazine Game Disc 46 | XBOX | | Original | | IM-075 | |
| Official Xbox Magazine Game Disc 47 | XBOX | | Original | | IM-076 | |
| Official Xbox Magazine Game Disc 48 | XBOX | | Original | | IM-077 | |
| Official Xbox Magazine Game Disc 49 | XBOX | | Original | | IM-078 | |
| Official Xbox Magazine Game Disc 50 | XBOX | | Original | | IM-080 | |
| Official Xbox Magazine Game Disc 51 | XBOX | | Original | | IM-081 | |
| Official Xbox Magazine Game Disc 51 | XBOX | | Original | | IM-205 | |
| Official Xbox Magazine Game Disc 52 | XBOX | | Original | | IM-082 | |
| Official Xbox Magazine Game Disc 53 | XBOX | | Original | | IM-204 | |
| Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-214 | |
| Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-208 | |
| Official Xbox Magazine Game Disc 128 | XBOX360 | | | | IM-2109 | |
| Official Xbox Magazine Game Disc 129 | XBOX360 | | | | IM-2115 | |
| Official Xbox Magazine Game Disc 130 | XBOX360 | | | | IM-2116 | |
| Official Xbox Magazine Game Disc 131 | XBOX360 | | | | IM-2117 | |
| Official Xbox Magazine Game Disc 127 | XBOX360 | | | | IM-2108 | |
| Official Xbox Magazine Game Disc 126 | XBOX360 | | | | IM-2107 | |
| Official Xbox Magazine Game Disc 125 | XBOX360 | | | | IM-2106 | |
| Official Xbox Magazine Game Disc 124 | XBOX360 | | | | IM-2161 | |
| Official Xbox Magazine Game Disc 123 | XBOX360 | | | | IM-2160 | |
| Official Xbox Magazine Game Disc 122 | XBOX360 | | | | IM-2159 | |
| Official Xbox Magazine Game Disc 121 | XBOX360 | | | | IM-2158 | |
| Official Xbox Magazine Game Disc 120 | XBOX360 | | | | IM-2157 | |
| Official Xbox Magazine Game Disc 119 | XBOX360 | | | | IM-2156 | |
| Official Xbox Magazine Game Disc 118 | XBOX360 | | | | IM-2155 | |
| Official Xbox Magazine Game Disc 117 | XBOX360 | | | | IM-2153 | |
| Official Xbox Magazine Game Disc 116 | XBOX360 | | | | IM-2152 | |
| Official Xbox Magazine Game Disc 115 | XBOX360 | | | | IM-2151 | |
| Official Xbox Magazine Game Disc 114 | XBOX360 | | | | IM-2150 | |
| Official Xbox Magazine Game Disc 113 | XBOX360 | | | | IM-2149 | |
| Official Xbox Magazine Game Disc 02 | XBOX | | Original | | IM-001 | |
| Official Xbox Magazine Game Disc 112 | XBOX360 | | | | IM-2148 | |
| Official Xbox Magazine Game Disc 111 | XBOX360 | | | | IM-2147 | |
| Official Xbox Magazine Game Disc 110 | XBOX360 | | | | IM-2146 | |
| Official Xbox Magazine Game Disc 108 | XBOX360 | | | | IM-2144 | |
| Official Xbox Magazine Game Disc 107 | XBOX360 | | | | IM-2143 | |
| Official Xbox Magazine Game Disc 106 | XBOX360 | | | | IM-2123 | |
| Official Xbox Magazine Game Disc 105 | XBOX360 | | | | IM-2122 | |
| Official Xbox Magazine Game Disc 104 | XBOX360 | | | | IM-2121 | |
| Official Xbox Magazine Game Disc 103 | XBOX360 | | | | IM-2120 | |
| Official Xbox Magazine Game Disc 102 | XBOX360 | | | | IM-2119 | |
| Official Xbox Magazine Game Disc 101 | XBOX360 | | | | IM-2118 | |
| Official Xbox Magazine Game Disc 100 | XBOX360 | | | | IM-2117 | |
| Official Xbox Magazine Game Disc 08 | XBOX | | Original | | IM-007 | |
| Official Xbox Magazine Game Disc 06 | XBOX | | Original | | IM-005 | |
| Official Xbox Magazine Game Disc 06 | XBOX | | Original | | IM-006 | |
| Official Xbox Magazine Game Disc 05 | XBOX | | Original | | IM-004 | |
| Official Xbox Magazine Game Disc 04 | XBOX | | Original | | IM-003 | |
| Official Xbox Magazine Game Disc 03 | XBOX | | Original | | IM-002 | |
| Official Xbox Magazine Game Disc 56 | XBOX | | Original | | IM-213 | |
| Official Xbox Magazine Game Disc 57 | XBOX | | Original | | IM-215 | |
| Official Xbox Magazine Game Disc 58 | XBOX | | Original | | IM-227 | |
| Official Xbox Magazine Game Disc 58 | XBOX | | Original | | IM-216 | |
| Official Xbox Magazine Game Disc 59 | XBOX | | Original | | IM-218 | |
| Official Xbox Magazine Game Disc 65 | XBOX360 | | | | IM-2027 | |
| Official Xbox Magazine Game Disc 66 | XBOX360 | | | | IM-2032 | |
| Official Xbox Magazine Game Disc 67 | XBOX360 | | | | IM-2033 | |
| Official Xbox Magazine Game Disc 68 | XBOX360 | | | | IM-2034 | |
| Official Xbox Magazine Game Disc 69 | XBOX360 | | | | IM-2035 | |
| Official Xbox Magazine Game Disc 70 | XBOX360 | | | | IM-2036 | |
| Official Xbox Magazine Game Disc 71 | XBOX360 | | | | IM-2037 | |
| Official Xbox Magazine Game Disc 72 | XBOX360 | | | | IM-2048 | |
| Official Xbox Magazine Game Disc 74 | XBOX360 | | | | IM-2054 | |
| Official Xbox Magazine Game Disc 75 | XBOX360 | | | | IM-2051 | |
| Official Xbox Magazine Game Disc 76 | XBOX360 | | | | IM-2053 | |
| Official Xbox Magazine Game Disc 77 | XBOX360 | | | | IM-2055 | |
| Official Xbox Magazine Game Disc 78 | XBOX360 | | | | IM-2056 | |
| Official Xbox Magazine Game Disc 80 | XBOX360 | | | | IM-2061 | |
| Official Xbox Magazine Game Disc 81 | XBOX360 | | | | IM-2072 | |
| Official Xbox Magazine Game Disc 82 | XBOX360 | | | | IM-2073 | |
| Official Xbox Magazine Game Disc 84 | XBOX360 | | | | IM-2075 | |
| Official Xbox Magazine Game Disc 85 | XBOX360 | | | | IM-2076 | |
| Official Xbox Magazine Game Disc 86 | XBOX360 | | | | IM-2078 | |
| Official Xbox Magazine Game Disc 87 | XBOX360 | | | | IM-2079 | |
| Official Xbox Magazine Game Disc 88 | XBOX360 | | | | IM-2080 | |
| Official Xbox Magazine Game Disc 92 | XBOX360 | | | | IM-2084 | |
| Official Xbox Magazine Game Disc 93 | XBOX360 | | | | IM-2107 | |
| Official Xbox Magazine Game Disc 94 | XBOX360 | | | | IM-2110 | |
| Official Xbox Magazine Game Disc 95 | XBOX360 | | | | IM-2112 | |
| Official Xbox Magazine Game Disc 96 | XBOX360 | | | | IM-2113 | |
| Official Xbox Magazine Game Disc 97 | XBOX360 | | | | IM-2114 | |
| Official Xbox Magazine Game Disc 98 | XBOX360 | | | | IM-2115 | |
| Official Xbox Magazine Game Disc 99 | XBOX360 | | | | IM-2116 | |
| Order Up! | WII | | Original | | RVL-ROXE-USA | |
| 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 | |
| Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-JPN-B0 | |
| One Piece: Unlimited Cruise: Episode 1: Nami ni Yureru Hihou ワンピース アンリミテッドクルーズ エピソード1 波に揺れる秘宝 | WII | Rev 1 | Minna no Osusume Selection | | RVL-ROUJ-JPN-B0 | |
| Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 | |
| Onechanbara: Bikini Zombie Slayers | WII | Rev 1 | Original | | RVL-RONP-EUR | |
| Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 | |
| One Piece Mansion | PSX | | Original | | SLES-03723 | |
| Operation Body Count | PC | | Original | | | |
| One Unit Whole Blood | PC | 1.21 | Original | | 04-16459CD1 | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
| Open Season | PS2 | 1.01 | Original | | SLES-54316 | |
| Ooumi Nobunaga Den: Geten II 大海信長伝・下天II | PSX | | Original | | SLPS 00874 | |
| Official PlayStation Magazine Issue 39: Christmas 2009 | PS3 | 01.01 | | | BCED-00438 | |
| Official PlayStation Magazine Issue 38: December 2009 | PS3 | 01.00 | | | BCED-00437 | |
| Official PlayStation Magazine Issue 36: October 2009 | PS3 | 01.01 | | | BCED-00435 | |
| Official PlayStation Magazine Issue 35: September 2009 | PS3 | 01.00 | | | BCED-00434 | |
| Official PlayStation Magazine Issue 33: July 2009 | PS3 | 01.00 | | | BCED-00432 | |
| Official PlayStation Magazine Issue 32: June 2009 | PS3 | 01.00 | | | BCED-00431 | |
| Official PlayStation Magazine Issue 31: May 2009 | PS3 | 01.00 | | | BCED-00430 | |
| Official PlayStation Magazine Issue 30: April 2009 | PS3 | 01.00 | | | BCED-00429 | |
| Official PlayStation Magazine Issue 29: March 2009 | PS3 | 01.01 | | | BCED-00428 | |
| Official PlayStation Magazine Issue 28: February 2009 | PS3 | 01.00 | | | BCED-00427 | |
| Official PlayStation Magazine Issue 27: January 2009 | PS3 | 01.00 | | | BCED-00426 | |
| Ortofrajda | PC | | | | | |
| Omise de Tenshu おみせde店主 | PSX | | Original | | SLPS 01876 | |
| Ore no Ryouri 俺の料理 | PSX | | Original, PlayStation the Best | | SCPS 10099 … | |
| Ookami: Fude-hajime no Maki 大神 筆はじめノ巻 | PS2 | 1.01 | Taikenban | | SLPM 61124 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Otostaz オトスタツ | PS2 | 1.00 | Taikenban | | PAPX 90228 | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H | |
| Omikron: The Nomad Soul | DC | 1.001 | Original | | T-36807N | |
| Oasis Road オアシスロード | PSX | | Original | | SLPS 01899 | |
| Official PlayStation Magazine Issue 23: October 2008 | PS3 | 01.00 | | | BCED-00211 | |
| Official PlayStation Magazine Issue 22: September 2008 | PS3 | 01.01 | | | BCED-00210 | |
| Official PlayStation Magazine Issue 21: August 2008 | PS3 | 01.00 | | | BCED-00209 | |
| Official PlayStation Magazine Issue 20: July 2008 | PS3 | 01.00 | | | BCED-00208 | |
| Official PlayStation Magazine Issue 18: May 2008 | PS3 | 01.00 | | | BCED-00206 | |
| Official PlayStation Magazine Issue 16: March 2008 | PS3 | 01.01 | | | BCED-00204 | |
| Otomedius (Application Disc 2) オトメディウス | KEA | JAA | Original | | GGGJAA03 | |
| Otomedius (Application Disc 1) オトメディウス | KEA | JAA | Original | | GGGJAA02 | |
| Otomedius (System Disc) オトメディウス | KEA | JAA | Original | | GGGJAA01 | |
| Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 | |
| ODS Amazing Art Corner | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | | |
| ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | | |
| Otome no Jijou 乙女の事情 | PS2 | 1.01 | Original | | SLPM 66508 | |
| Official PlayStation Magazine Issue 12: December 2007 | PS3 | 01.00 | | | BCED-00088 | |
| Official PlayStation Magazine Issue 11: November 2007 | PS3 | 01.02 | | | BCED-00087 | |
| Official PlayStation Magazine Issue 10: October 2007 | PS3 | 01.00 | | | BCED-00086 | |
| Otostaz オトスタツ | PS2 | 1.00 | Taikenban | | PAPX 90226 | |
| Official PlayStation Magazine Issue 09: September 2007 | PS3 | 01.00 | | | BCED - 000 … | |
| Official PlayStation Magazine Issue 08: August 2007 | PS3 | 01.00 | | | BCED-00084 | |
| Official PlayStation Magazine Issue 07: July 2007 | PS3 | 01.00 | | | BCED - 000 … | |
| Oblivious Garden: Carmina Burana (Disc 2) (Music Disc) | PC | | Standard Edition | | | |
| Oblivious Garden: Carmina Burana (Disc 1) (Game Disk) | PC | 1.0 | Standard Edition | | | |
| Overlord: Raising Hell | PS3 | 01.00 | Original | | BLES-00257 | |
| Order Up!! | PS3 | 01.04 | Original | | BLES-01470 | |
| One Piece: Pirate Warriors 3 | PS3 | 01.00 | Original | | BLES-02140 | |
| Of Orcs and Men | PS3 | 01.01 | Original | | BLES-01586 | |
| Odin Sphere: Leifthrasir | PS3 | 01.00 | Original | | BLES-02241 | |
| One Must Fall 2097 One Must Fall 2097 CD-ROM | PC | 1.1 | ROMWARE | | ROM 10017 | |
| Outtrigger | DC | 1.003 | Original | | 51102 | |
| The Office | PC | | Original | | | |
| Odin Sphere | PS2 | 1.00 | Trade Demo | | SLUS-28065 | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H-09, T-7904H-50 | |
| Odyssey: The Search for Ulysses (Disc 2) | PC | | Original | | | |
| Odyssey: The Search for Ulysses (Disc 1) | PC | | Original | | | |
| Outpost | PC | 1.1 | Rerelease | | S725431 | |
| Online Chess Kingdoms | PSP | 1.02 | Original | | ULES-00570 | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 4) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 3) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 2) | PC | | Original | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa (Disc 1) | PC | | Original | | | |
| 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 | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-12187 … | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-02187 … | |
| OverBlood 2 (Disc 2) | PSX | Rev 1 | Original | | SLES-11879 … | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11879 | |
| OverBlood 2 (Disc 1) | PSX | Rev 1 | Original | | SLES-01879 … | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01879 | |
| Omega Assault | PSX | | Original | | SLES-04051 | |
| OPSM Best Racing Game Ever | PSX | | | | SCED-02492 | |
| O.D.T. | PSX | | Demo | | SLED-01574 | |
| Original War (Disc 2) (GameDisc) オリジナル ウォー | PC | 1.02 | Original | | | |
| Original War (Disc 1) (Install Disc) オリジナル ウォー | PC | 1.02 | Original | | | |
| Operation Omega | PC | | Original | | 7-20286-92175-1 | |
| One Must Fall 2097 One Must Fall | PC | | Rerelease | | D.L.: M-8684-97 | |
| One Must Fall 2097 | PC | | Original | | | |
| One Must Fall 2097 | PC | 2.1 | The Smile Edition | | CDR3016 | |
| Official Sega Dreamcast Magazine Vol. 5: May 2000 | DC | 1.010 | | | | |
| The Outforce | PC | 1.0.0.0 | Original | | | |
| Official Sega Dreamcast Magazine Vol. 11: February 2001 | DC | 0.500 | | | | |
| Ooga Booga | DC | 1.001 | Original | | 51140 | |
| Oro y Gloria: La Ruta hacia El Dorado | PSX | | Original | | SLES-03187 | |
| 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 | |
| Onside Complete Soccer | PSX | Rev 1 | Original | | SLES-00079 | |
| Onside Complete Soccer | PSX | | Original | | SLES-00079 | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original | | SLES-53713 | |
| De Ontdekker en het Mysterie van de Diamanten Scarabee The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| Octomania | WII | | Original | | RVL-RTKE-USA | |
| Offroad Extreme! | WII | | Original | | RVL-ROFP-UKV-1 | |
| The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 | |
| Odin Sphere: Leifthrasir | PS3 | 01.01 | Original | | BLUS-31601 | |
| One Piece: Round the Land! ワンピース ランドランド! | PS2 | 1.01 | Original | | SLPS 25382 | |
| Otona no Asobi おとなの遊び | PSX | | Nichibutsu Collection 2000 | | SLPS 02459 | |
| OverKill | PC | | ROMWARE | | ROM 10 007 | |
| On the Ball: League Edition | PC | 1.0 | Original | | | |
| Ocha no Ma Battle お茶の間バトル | PSX | | Bundled with Controller | | SLPM 86681 | |
| Outlaw Golf アウトローゴルフ | XBOX | | World Collection | | VU-016 | |
| Outlaw Volleyball アウトローバレーボール | XBOX | | World Collection | | SS-003 | |
| 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 | |
| Official Xbox Magazine Best of Xbox Game Demos Vol. 1 | XBOX | | Original | | IM-026 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2004 | XBOX | | Original | | IM-030 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2005 | XBOX | | Original | | IM-041 | |
| Onimusha: Warlords | PS2 | 1.00 | Original | | SLPM 67507 | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (Install Disc) | PC | 2.0 | Original | | | |
| Ocean Commander | WII | | Original | | RVL-RQME-USA | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2004 | XBOX | | Original | | IM-032 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 10/2004 | XBOX | | Original | | IM-034 | |
| 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 おーちゃんのお絵かきロジック | SS | 1.005 | Original | | T-1508G | |
| On the Ball: World Cup Edition | PC | 1.00 | Original | | | |
| Ookami Kakushi おおかみかくし | PSP | 1.04 | Original | | ULJM 05413 | |
| 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 | |
| Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 | |
| Oddworld: Munch's Oddysee | XBOX | | Platinum Hits | | MS-001 | |
| Off Road | WII | | Original | | RVL-RO2P-EUR | |
| OverBlood 2 (Disc 2) | PSX | | Original | | SLES-11880 | |
| OverBlood 2 (Disc 1) | PSX | | Original | | SLES-01880 | |
| Oro e Gloria: La Strada per El Dorado | PSX | | Original | | SLES-03186 | |
| O.D.T. | PSX | | Original | | SLES-01411 | |
| Overlord | XBOX360 | | Original | | CM-2005 | |
| Öhlins Hyper-Rally ハイパーラリー | PSX | | Original | | SLPS 00462 | |
| Oceans Below オーシャンズ・ビロウ | MAC | | Original | | MSC001 | |
| Offroad Extreme! | WII | | Original | | RVL-ROFX-NOE | |
| Off Limits: Mizar | PC | | ROMWARE | | ROM 10120 | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | | |
| Operation WinBack 2: Project Poseidon | PS2 | 1.00 | Original | | SLES-54116 … | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 | |
| The Operational Art of War II: 1956-2000 The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| Online Chess Kingdoms | PSP | 1.02 | Original | | ULUS 10179 | |
| Oscar | PC | | Original | | | |
| Oddworld: Abe's Oddysee | PSX | | Original | | SLES-00841 | |
| Oddworld: Abe's Exoddus (Disc 2) | PSX | | Original | | SLES-11505 | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01505 | |
| Official PlayStation Magazine Issue 58: June 2011 Official PlayStation Magazine Issue 59: July 2011 | PS3 | 02.00 | | | BCED-01200 … | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR | |
| Obsidian (Disc 5) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 4) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 3) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 2) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| Obsidian (Disc 1) | MAC | | Original, Great Series | | INR-001, MKM-001 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| Offroad Off-Road Redneck Racing | PC | | Original | | ECD 000592K | |
| Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 | |
| Oukyuu no Hihou Tension 王宮の秘宝 テンション | PSX | | Original, VAP Best Thanks 1800 | | SLPS 00438 … | |
| Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| Online Start-Up Disc v1.0 Disco de Inicio en Línea v1.0 | PS2 | 1.00 | Original | | PBPX 95250 … | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Official PlayStation Magazine Issue 76: November 2012 | PS3 | 01.00 | | | BCED-01571 | |
| Outpost | PC | 1.51 | Schweinepreise | | S390122CZ12ZZ | |
| Offensive | PC | | Original | | | |
| Outpost | PC | | Original | | S390021012ZZ2 | |
| 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 | |
| Offroad Extreme! Special Edition | WII | | Original | | RVL-ROFE-USA-B0 | |
| Official Demo Disc Retail Edition February 02 official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 | |
| Oxyd Magnum! Gold Edition | PC | | Game-Pack 3 | | 80227 | |
| Oni | PS2 | 1.02 | Original | | SLES-50179 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14039 DE | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Golf: 9 Holes of X-Mas | XBOX | | Original | | VU-027 | |
| Offshore Tycoon | WII | | Original | | RVL-RXFE-USA | |
| Outtrigger | DC | 1.001 | Original | | MK-51102-50 | |
| Open Season | WII | | Original | | RVL-ROPE-USA | |
| Oddworld: Abe's Exoddus (Disc 1) | PSX | | Original | | SLES-01503 | |
| Oni | PC | 1.0 | Original | | | |
| Outlive | PC | 1.01 | Original | | | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.1 | Rerelease, Southwestern School Set | | 380859B-CD | |
| Outlaws (Disc 1) | PC | 1.1 | Rerelease | | | |
| OverBlood 2 (Disc 2) オーバーブラッド2 | PSX | | Original | | SLPS 01262 | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859A-CD | |
| The Oregon Trail | PC | 1.21 | | | | |
| The Oregon Trail | PC | 1.0 | Original | | | |
| 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 | |
| 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 | |
| Open Season | WII | | Original | | RVL-ROPP-EUR | |
| Otostaz 오토스타츠 | PS2 | 1.01 | Original | | SCPS 56004 | |
| One Piece: Round the Land! 원피스 라운드 더 랜드! | PS2 | 1.00 | Original | | SLKA 25208 | |
| 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 | |
| Ougon Kishi Garo 黄金騎士 牙狼 | PS2 | 1.01 | Genteiban | | SLPS 20462 | |
| O.R.B: Off-World Resource Base | PC | 1.0 | Original | | 22434CD | |
| Oscar | PC | | Golden Zone | | | |
| Operation Air Assault 2 | PS2 | 1.01 | Original | | SLES-54804 | |
| 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 | Multi Tap (SCPH-70120) Doukonban | | SLPS 25584 | |
| Ookami 大神 | WII | | Original | | RVL-ROWJ-JPN-B0 | |
| Ookami-teki Monshou: Crest of Wolf 狼的紋章 クレスト・オブ・ウルフ | PCE | | Original | | HCD3044 | |
| Ojousama Express (Disc 1) お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Overlord II | PS3 | 01.01 | Original | | BLUS-30317 | |
| Overlord: Raising Hell | PS3 | 01.00 | Original | | BLUS-30143 | |
| The Orange Box | PS3 | 01.00 | Original | | BLUS-30055 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLUS-30704 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLUS-30316 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 12/2005 | XBOX | | Original | | IM-048 | |
| 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 10/2005 | XBOX | | Original | | IM-045 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2005 | XBOX | | Original | | IM-044 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2005 | XBOX | | Original | | IM-043 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2005 | XBOX | | Original | | IM-042 | |
| 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 03/2005 | XBOX | | Original | | IM-038 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2006 | XBOX | | Original | | IM-049 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 06/2004 | XBOX | | Original | | IM-029 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2003 | XBOX | | Original | | IM-022 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 08/2003 | XBOX | | Original | | IM-019 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 09/2006 | XBOX | | Original | | IM-226 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2004 | XBOX | | Original | | IM-024 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 10/2003 | XBOX | | Original | | IM-021 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 07/2003 | XBOX | | Original | | IM-018 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 02/2003 | XBOX | | Original | | IM-013 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 01/2003 | XBOX | | Original | | IM-012 | |
| Das Offizielle Xbox-Magazin: Cover-DVD 11/2002 | XBOX | | Original | | IM-002 | |
| Opoona オプーナ | WII | | Original | | RVL-RPOJ-JPN | |
| Odyssee: Auf der Suche nach Odysseus (Disc 2) | PC | | Original | | ODY-GERCD2 | |
| Odyssee: Auf der Suche nach Odysseus (Disc 1) | PC | | Original | | ODY-GERCD1 | |
| Outer Ridge | PC | 1.0 | Original | | SPI004 | |
| One Must Fall: Battlegrounds | PC | 2090 | Original | | | |
| One Must Fall: Battlegrounds | PC | 2090 | Original | | | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| One Piece: Unlimited Cruise 1: The Treasure Beneath the Waves | WII | | Original | | RVL-ROUP-EUR-B0 | |
| Outtrigger アウトトリガー | DC | 1.008 | Original | | HDR-0118 | |
| Overboard! | PC | | Original | | | |
| Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD | |
| Oneechanbara Revolution お姉チャンバラ Revolution | WII | | Original | | RVL-RONJ-JPN | |
| Ousama Monogatari 王様物語 | WII | | Original | | RVL-RO3J-JPN-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 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14040 DE | |
| Ougon no Kizuna 黄金の絆 | WII | | Original | | RVL-RK7J-JPN | |
| Oldtimer: Erlebte Geschichte Teil II | PC | | Original | | | |
| Outcast (Disc 2) | PC | | Play the Games Vol. 3 | | | |
| Outcast (Disc 1) | PC | | Play the Games Vol. 3 | | | |
| Obbligato (Taikenban CD-ROM) オブリガート 体験版CD-ROM | PC | | Demo | | | |
| Otome Koigokoro Prister 乙女恋心プリスター体験版 | PC | | Taikenban | | | |
| 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 | |
| Outcast (Disc 2) | PC | | Original | | OUTCAPC52G/A2 | |
| Open Season | PS2 | 1.00 | Original | | SLES-54310 | |
| 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 | |
| Omoide ni Kawaru Kimi: Memories Off 想い出にかわる君 ~Memories Off~ | DC | 1.001 | Original | | T-19718M | |
| Oogami Ichirou Funtou-ki: Sakura Taisen Kayou Show "Beni Tokage" yori (Disc 2) 大神一郎奮闘記 ~サクラ大戦歌謡ショウ「紅蜥蜴」より~ | DC | 1.000 | Original | | HDR-0057 | |
| Oogami Ichirou Funtou-ki: Sakura Taisen Kayou Show "Beni Tokage" yori (Disc 1) 大神一郎奮闘記 ~サクラ大戦歌謡ショウ「紅蜥蜴」より~ | DC | 1.000 | Original | | HDR-0057 | |
| Omoi no Kakera: Close to 想いのかけら ‐Close to‐ | PS2 | 1.02 | 2800 Collection | | SLPM 66385 | |
| Oddworld: Abe's Exoddus (CD Abspielen) | PC | 2.0 | Original | | | |
| Oddworld: Abe's Exoddus (CD Installieren) | PC | 2.0 | Original | | | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 | |
| Outcast (Disc 3) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A3 | |
| Outcast (Disc 1) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A1 | |
| 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 | |
| Ojousama Express (Disc 2) お嬢様特急 | SS | 1.005 | Original | | T-27803G | |
| Outer World アウター・ワールド | 3DO | | Original | | FZ-SJ3451 | |
| Oceans Below オーシャンズ・ビロウ | 3DO | | Original | | FZ-SJ2752 | |
| Off-World Interceptor オフ‐ワールド・インターセプター | 3DO | | Original | | FZ-SJ3151 | |
| Official PlayStation Magazine Issue 62: October 2011 | PS3 | 01.00 | | | BCED-01204 | |
| Official PlayStation Magazine Issue 57: May 2011 | PS3 | 01.00 | | | BCED-01199 | |
| Official PlayStation Magazine Issue 55: March 2011 | PS3 | 01.00 | | | BCED-01197 | |
| Official PlayStation Magazine Issue 54: February 2011 | PS3 | 01.00 | | | BCED-01196 | |
| Official PlayStation Magazine Issue 53: January 2011 | PS3 | 01.01 | | | BCED-00815 | |
| Official PlayStation Magazine Issue 52: Christmas 2010 | PS3 | 01.01 | | | BCED-00814 | |
| Official PlayStation Magazine Issue 49: October 2010 | PS3 | 01.00 | | | BCED-00811 | |
| Official PlayStation Magazine Issue 48: September 2010 | PS3 | 01.00 | | | BCED-00810 | |
| Official PlayStation Magazine Issue 46: July 2010 | PS3 | 01.01 | | | BCED-00808 | |
| Official PlayStation Magazine Issue 45: June 2010 | PS3 | 01.00 | | | BCED-00807 | |
| Official PlayStation Magazine Issue 43: April 2010 | PS3 | 01.00 | | | BCED-00805 | |
| Official PlayStation Magazine Issue 42: March 2010 | PS3 | 01.01 | | | BCED-00804 | |
| Official PlayStation Magazine Issue 40: January 2010 | PS3 | 01.00 | | | BCED-00439 | |
| Offroad Extreme! Special Edition | PC | | Original | | | |
| Onmyou Taisenki: Byakko Enbu 陰陽大戦記 白虎演舞 | PS2 | 1.01 | EyeToy Camera Doukonban | | SLPS 20416 | |
| Oxide Oxyde | PC | | Dynamite | | DE-006 | |
| Order Up! | WII | | Original | | RVL-ROXP-UKV | |
| Outcast (Disc 1) | PC | | Original | | 42831-9110TC | |
| Outcast (Disc 2) | PC | | Original | | 42831-9110TC | |
| Out of This World | PC | | Valueware | | CD-ICD-142-0 | |
| Outlaws (Disc 2) | PC | 1.1 | Rerelease | | | |
| Operation Flashpoint: Cold War Crisis | PC | | The Games Collection | | | |
| Offroad Extreme! Special Edition | PS2 | 1.00 | Original | | SLES-54109 | |
| O! Rety! Psoty Dudusia Wesołka | PC | | Playada Gier | | P_20265_03A_PL | |
| Ochigee Designer Tsukutte Pon! 落ちゲー・デザイナー 作ってポン! | SS | 1.090 | Original | | T-9108G | |
| Oscar the Balloonist: Discovers the Farm 小小探險家奧斯卡 農場奇遇記 | PC | | Original | | | |
| Official PlayStation Magazine Issue 84: June 2013 | PS3 | 01.00 | | | BCED-01819 | |
| One ワン | PSX | | Original | | SLPS 01812 | |
| Oddworld: Abe's Exoddus (Installatie Disk) | PC | 2.0 | Budget | | MMICDR 5280 | |
| Otomedius Excellent | XBOX360 | | Original | | KN-2106 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Original | | OTA744CE-CD1 | |
| 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 | |
| Offroad Off-Road Redneck Racing | PC | | Original | | OFFPCCDML | |
| O.D.T. | PC | | Original | | | |
| Ojousama o Nerae!! お嬢様を狙え!! | SS | 1.002 | Original | | T-38101G | |
| Operation Neptun | PC | 1.2 | Original | | ONT844AW-CD | |
| Ojousama o Nerae!! お嬢様を狙え!! | SS | 1.003 | Original | | T-38101G | |
| Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H-50 | |
| O.D.T. | PC | | Dice | | DCG 005509 | |
| Oni | PS2 | 1.20 | Original | | SLUS-20064 | |
| 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 | | | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: Strangers Vergeltung | XBOX | | Original | | EA-109 | |
| Outlaw Volleyball | XBOX | | Original | | SS-007 | |
| Outlaw Golf | XBOX | | Original | | VU-016 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Odama | GC | | Original | | DL-DOL-GOOP-EUR | |
| Outlaw Volleyball | XBOX | | Original | | SS-003 | |
| Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | |
| Overkill & Lunar-C | CD32 | | Original | | /DP130002 | |
| Ousama Game (Disc 1) (Ichigo Disc) 王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Ousama Game (Disc 2) (Momo Disc) 王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Otomedius Gorgeous! オトメディウス ゴージャス! | XBOX360 | | Original | | KN-2030 | |
| Operation Darkness | XBOX360 | | Original | | AT-2002 | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| Outlaw Golf: 9 More Holes of X-Mas | XBOX | | Original | | SS-006 | |