Region | Title | System | Version | Edition | Languages | Serial | Status |
 | Obduction | MAC | | Kickstarter | | |  |
 | Objectif Transparence | CDI | | Original | | RP IND 4 94 |  |
 | Objectif Transparence | CDI | | Original | | RP IND 4 94 |  |
 | Obscure: The Aftermath ObsCure: The Aftermath | WII | | Beta | | |  |
 | Oceans Below オーシャンズ・ビロウ | MAC | | Original | | MSC001 |  |
 | Oct 15 2002 | PC | | Press Kit | | |  |
 | Oddworld: Abe's Exoddus: US Manual | MAC | | Art Assets | | |  |
 | Oddworld: Abe's Oddysee | PC | 2.0 | Channelware | | 04-15303 |  |
 | ODN Palm Power Pack | PALM | | Original | | |  |
 | Of Orcs and Men | XBOX360 | | Original | | FE-2009 |  |
 | The Official Browser of Primagames.com | PC | | | | |  |
 | Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 |  |
 | Official Lara Croft: Real Life '99 Lara: Character Images | PC | | Press Kit | | |  |
 | Official PlayStation 2 Magazine 13/2003: Uncut Edition Das Offizielle PlayStation 2 Magazin 13/2003: Uncut Edition | PS2 | 1.00 | | | SCED-51937 |  |
 | Official PlayStation 2 Magazine Demo 10 | PS2 | | | | SCED-50406 |  |
 | Official PlayStation 2 Magazine Demo 70 | PS2 | 2.00 | | | SCED-54024 |  |
 | Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54144 |  |
 | Official PlayStation 2 Magazine-UK Special Edition: Yearbook 2002 Best PS2 Games Ever 10 | PS2 | 1.00 | | | SCED-51389 |  |
 | Official PlayStation Magazine Issue 65: Christmas 2011 | PS3 | 01.00 | | | BCED-01207 |  |
 | Official PlayStation Magazine Issue 76: November 2012 | PS3 | 01.00 | | | BCED-01571 |  |
 | Official PlayStation Magazine Issue 78: Christmas 2012 | PS3 | 01.00 | | | BCED-01573 |  |
 | Official PlayStation Magazine Issue 79: January 2013 | PS3 | 01.03 | | | BCED-01574 |  |
 | Official PlayStation Magazine Issue 81: March 2013 | PS3 | 01.00 | | | BCED-01576 |  |
 | Official PlayStation Magazine Issue 82: April 2013 | PS3 | 01.00 | | | BCED-01817 |  |
 | Official PlayStation Magazine Issue 83: May 2013 | PS3 | 01.00 | | | BCED-01818 |  |
 | Official Sega Dreamcast Magazine Vol. 11: February 2001 | DC | 0.500 | | | |  |
 | Official Sega Dreamcast Magazine Vol. 5: May 2000 | DC | 1.010 | | | |  |
 | The Official Xbox 50 Best Games 20 Games to Play | XBOX | | | | IM-001 |  |
 | The Official Xbox Best Ever Games The Official Xbox Magazine 15 Best Games | XBOX | | Original | | |  |
 | Official Xbox Magazine Game Disc 02 | XBOX | | Original | | IM-002 |  |
 | Official Xbox Magazine Game Disc 03 | XBOX | | Original | | IM-003 |  |
 | Official Xbox Magazine Game Disc 04 | XBOX | | Original | | IM-004 |  |
 | Official Xbox Magazine Game Disc 05 | XBOX | | Original | | IM-005 |  |
 | Official Xbox Magazine Game Disc 06 | XBOX | | Original | | IM-006 |  |
 | Official Xbox Magazine Game Disc 07 | XBOX | | Original | | IM-007 |  |
 | Official Xbox Magazine Game Disc 08 | XBOX | | Original | | IM-008 |  |
 | Official Xbox Magazine Game Disc 09 | XBOX | | Original | | IM-009 |  |
 | Official Xbox Magazine Game Disc 10 | XBOX | | Original | | IM-010 |  |
 | Official Xbox Magazine Game Disc 11 | XBOX | | Original | | IM-013 |  |
 | Official Xbox Magazine Game Disc 113 | XBOX360 | | | | IM-2149 |  |
 | Official Xbox Magazine Game Disc 12 | XBOX | | Original | | IM-014 |  |
 | Official Xbox Magazine Game Disc 18 | XBOX | | Original | | IM-018 |  |
 | Official Xbox Magazine Game Disc 19 | XBOX | | Original | | IM-019 |  |
 | Official Xbox Magazine Game Disc 51 | XBOX | | Original | | IM-205 |  |
 | Official Xbox Magazine Game Disc 57 | XBOX | | Original | | IM-227 |  |
 | Official Xbox Magazine Game Disc 59 | XBOX | | Original | | IM-227 |  |
 | Official Xbox Magazine Game Disc 60 | XBOX | | Original | | IM-229 |  |
 | Official Xbox Magazine Game Disc 61 | XBOX | | Original | | IM-229 |  |
 | Official Xbox Magazine Game Disc 73 | XBOX360 | | | | IM-2052 |  |
 | Official Xbox Magazine Game Disc 89 | XBOX360 | | | | IM-2081 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 100 | XBOX360 | | | | IM-2146 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 101 | XBOX360 | | | | IM-2147 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 103 | XBOX360 | | | | IM-2149 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 104 | XBOX360 | | | | IM-2150 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 105 | XBOX360 | | | | IM-2151 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 106 | XBOX360 | | | | IM-2152 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 107 | XBOX360 | | | | IM-2153 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 108 | XBOX360 | | | | IM-2154 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 109 | XBOX360 | | | | IM-2155 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 110 | XBOX360 | | | | IM-2156 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 111 | XBOX360 | | | | IM-2157 |  |
 | The Official Xbox Magazine: Australia & New Zealand: Issue 112 | XBOX360 | | | | IM-2159 |  |
 | Oh!PC 1998-nen 10-gatsu-gou Tokubetsu Furoku CD-ROM Oh!PC 1998年 10月号 特別付録CD-ROM | PC | | | | OHPC-9810 |  |
 | Oh!PC 1998-nen 11-gatsu-gou Tokubetsu Furoku CD-ROM Oh!PC 1998年 11月号 特別付録CD-ROM | PC | | | | OHPC-9811 |  |
 | Oh!PC 1998-nen 8-gatsu-gou Tokubetsu Furoku CD-ROM Oh!PC 1998年 8月号 特別付録CD-ROM | PC | | | | OHPC-9808 |  |
 | 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 |  |
 | Oil of Ulay: Colour Collection: Colour Consultant | CDI | | Original | | |  |
 | Ōkami | WII | | Beta | | |  |
 | Ollie King オーリーキング | CHIHIRO | 1.003 | Original | | GDX-0007 |  |
 | Omerta: City of Gangsters | PC | | Covermount | | G1DVD0215 |  |
 | Omgaan met Steriele Medische Hulpmiddelen Omgaan met Steriele Medische Hulp-Middelen | CDI | | Original | | |  |
 | Omgaan met Steriele Medische Hulpmiddelen | CDI | | Demo | | |  |
 | On the Rain-Slick Precipice of Darkness: Episode One | PC | | Demo | | |  |
 | One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-JPN-B0 |  |
 | One Step Ahead | CDI | | | | Demo 10.05.94 |  |
 | 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 | | |  |
 | Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | |  |
 | OnlineGamez | PC | | | | |  |
 | Only Fun: Entra anche tu nel mondo dei Videogames | PC | | | | |  |
 | Onslaught | WII | | Beta | | |  |
 | Opel Corsa '97 | PHOTO-CD | | Original | | |  |
 | Opel IAA '97 | PHOTO-CD | | Original | | |  |
 | Opel IAA '99 (Disc 1) (Model Range) | PHOTO-CD | | Original | | |  |
 | Opel IAA '99 (Disc 2) (Opel Highlights) | PHOTO-CD | | Original | | |  |
 | Opel Vectra '99 | PHOTO-CD | | Original | | |  |
 | Open Season | XBOX | | Original | | US-097 |  |
 | Open Universiteit: Practicum Toxicologische Histopathologie Open University: Practical Toxicological Histopathology | CDI | | Original | | 4589 |  |
 | Opening Night | PC | 1.0 | Original | | #HCD646A |  |
 | Opening Night: Behind The Scenes | PC | 1.0 | Original | | #HCD646B |  |
 | OptImage CD-I 220 Adjustment Disc | CDI | | Original | | |  |
 | OptImage CD-I Starter System: Sampler Disc: Version 1.1 | CDI | | | | |  |
 | OptImage Media Showcase | CDI | 1.0 | Original | | |  |
 | The Orange Box | XBOX360 | | Original | | EA-2063 |  |
 | Order Up! | WII | | Beta | | |  |
 | Oregon Trail II + Logic Quest | PC | 1.2/1.0 | Original | | |  |
 | The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144EE-CD |  |
 | Original Xbox Game Support: August 2006 (1.5) | XBOX360 | | | | |  |
 | Ortofrajda | PC | | | | |  |
 | Osaka City 大阪 | PHOTO-CD | | Original | | |  |
 | Osef Minei Mischakim אוסף מיני משחקים | PC | | Original | | |  |
 | OSHA MHE Forklifts OSHA MHE Forklifts: PFS Interactive Training | CDI | | Original | | |  |
 | Osterreichs Werbepreise: Vier Highlights | CDI | | Original | | |  |
 | Otto Bock: Orthopädische Industrie: Neuheiten Vol. 2: Stand Januar 1997 | CDI | | Original | | |  |
 | Ousama Monogatari 王様物語 | WII | | Beta | | |  |
 | OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 |  |
 | Over Load | PC | | | | |  |
 | Overlord BGamer 153 (Side A) | PC | | Covermount | | |  |
 | De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 |  |
 | Oyungezer: Mart 2010 | PC | | | | |  |
 | Oblivious Garden: Carmina Burana (Disc 1) (Game Disk) | PC | 1.0 | Standard Edition | | |  |
 | Oblivious Garden: Carmina Burana (Disc 2) (Music Disc) | PC | | Standard Edition | | |  |
 | Odyssey (Disc 1) 奧德賽 | PC | | Original | | |  |
 | Odyssey (Disc 2) 奧德賽 | PC | | Original | | |  |
 | Oscar the Balloonist: Discovers the Farm 小小探險家奧斯卡 農場奇遇記 | PC | | Original | | |  |
 | Overlord II | PC | | Preview Code | | |  |
 | Open Season | PS2 | 1.01 | Review | | |  |
 | Open Season Boog & Elliot | PC | 1.0 | Demo | | |  |
 | Ollo en de Reuzentomaat | PC | | CD-ROM Topper | | |  |
 | Othello | PC | | Original | | 99011 |  |
 | Obsidian | PC | 1.0 | Demo | | |  |
 | Obsidian (Disc 1) | PC | | Original | | 11008 |  |
 | Obsidian (Disc 5) | PC | | Original | | 11008 |  |
 | Ocean/Infogrames Show Case December 1997 | PC | | | | |  |
 | Oceans Below | PC | | Bundle Version OEM | | RVL 13-004-059 Rev. A / 2198610-590002 / I 083100 |  |
 | Octomania | WII | | Original | | RVL-RTKE-USA |  |
 | Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | |  |
 | Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | |  |
 | Oddworld: Abe's Oddysee | PSX | | Trade Demo | | |  |
 | Oddworld: Abe's Origins | PC | | Limited Run Games | | |  |
 | Odin Sphere | PS2 | 1.00 | Trade Demo | | SLUS-28065 |  |
 | ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Air Explorer | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Amazing Art Corner | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Carnival Math | PC | 5.0r134 | Teacher's Edition | | |  |
 | ODS Robot Challenge | PC | | Original | | |  |
 | Off-World Interceptor 혹성질주 | 3DO | | Original | | GDT-GA241 |  |
 | Official Duke Nukem 3D Level Design Handbook | PC | | Original | | 1869-0 |  |
 | Official PlayStation 2 Magazine 09/2004 Das Offizielle PlayStation 2 Magazin 09/2004 | PS2 | 1.02 | | | SCED-52089 … |  |
 | Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51485 … |  |
 | Official PlayStation Magazine 12/2003 Das Offizielle PlayStation 2 Magazin 12/2003 | PS2 | 1.00 | | | SCED-51936 |  |
 | Official PlayStation Magazine Issue 84: June 2013 | PS3 | 01.00 | | | BCED-01819 |  |
 | Official Sega Dreamcast Magazine Vol. 10: January 2001 | DC | 1.200 | | | IGN10 |  |
 | Official Sega Dreamcast Magazine Vol. 2: November 1999 | DC | 1.020 | | | IGN1 |  |
 | Official Sega Dreamcast Magazine Vol. 3: January 2000 | DC | 1.010 | | | IGN2 |  |
 | Official Sega Dreamcast Magazine Vol. 4: March 2000 | DC | 1.020 | | | IGN3 |  |
 | Official Sega Dreamcast Magazine Vol. 6: July 2000 | DC | 1.050 | | | IGN6 |  |
 | Official Sega Dreamcast Magazine Vol. 7: September 2000 | DC | 1.020 | | | IGN7 |  |
 | Official Sega Dreamcast Magazine Vol. 8: November 2000 | DC | 1.020 | | | IGN8 |  |
 | Official Sega Dreamcast Magazine Vol. 9: December 2000 | DC | 1.000 | | | IGN9 |  |
 | The Official Xbox Live Disc | XBOX | | Original | | IM-001 |  |
 | Official Xbox Magazine Best of Xbox Game Demos Vol. 1 | XBOX | | Original | | IM-026 |  |
 | Official Xbox Magazine Game Disc 02 | XBOX | | Original | | IM-001 |  |
 | Official Xbox Magazine Game Disc 03 | XBOX | | Original | | IM-002 |  |
 | Official Xbox Magazine Game Disc 06 | XBOX | | Original | | IM-006 |  |
 | Official Xbox Magazine Game Disc 100 | XBOX360 | | | | IM-2117 |  |
 | Official Xbox Magazine Game Disc 101 | XBOX360 | | | | IM-2118 |  |
 | Official Xbox Magazine Game Disc 102 | XBOX360 | | | | IM-2119 |  |
 | Official Xbox Magazine Game Disc 103 | XBOX360 | | | | IM-2120 |  |
 | Official Xbox Magazine Game Disc 104 | XBOX360 | | | | IM-2121 |  |
 | Official Xbox Magazine Game Disc 105 | XBOX360 | | | | IM-2122 |  |
 | Official Xbox Magazine Game Disc 106 | XBOX360 | | | | IM-2123 |  |
 | Official Xbox Magazine Game Disc 107 | XBOX360 | | | | IM-2143 |  |
 | Official Xbox Magazine Game Disc 108 | XBOX360 | | | | IM-2144 |  |
 | Official Xbox Magazine Game Disc 109 | XBOX360 | | | | IM-2145 |  |
 | Official Xbox Magazine Game Disc 110 | XBOX360 | | | | IM-2146 |  |
 | Official Xbox Magazine Game Disc 111 | XBOX360 | | | | IM-2147 |  |
 | Official Xbox Magazine Game Disc 112 | XBOX360 | | | | IM-2148 |  |
 | Official Xbox Magazine Game Disc 114 | XBOX360 | | | | IM-2150 |  |
 | Official Xbox Magazine Game Disc 115 | XBOX360 | | | | IM-2151 |  |
 | Official Xbox Magazine Game Disc 116 | XBOX360 | | | | IM-2152 |  |
 | Official Xbox Magazine Game Disc 117 | XBOX360 | | | | IM-2153 |  |
 | Official Xbox Magazine Game Disc 118 | XBOX360 | | | | IM-2155 |  |
 | Official Xbox Magazine Game Disc 119 | XBOX360 | | | | IM-2156 |  |
 | Official Xbox Magazine Game Disc 120 | XBOX360 | | | | IM-2157 |  |
 | Official Xbox Magazine Game Disc 121 | XBOX360 | | | | IM-2158 |  |
 | Official Xbox Magazine Game Disc 122 | XBOX360 | | | | IM-2159 |  |
 | Official Xbox Magazine Game Disc 123 | XBOX360 | | | | IM-2160 |  |
 | Official Xbox Magazine Game Disc 124 | XBOX360 | | | | IM-2161 |  |
 | Official Xbox Magazine Game Disc 125 | XBOX360 | | | | IM-2106 |  |
 | Official Xbox Magazine Game Disc 126 | XBOX360 | | | | IM-2107 |  |
 | Official Xbox Magazine Game Disc 127 | XBOX360 | | | | IM-2108 |  |
 | 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 18 | XBOX | | Original | | IM-018 |  |
 | Official Xbox Magazine Game Disc 21 | XBOX | | Original | | IM-021 |  |
 | Official Xbox Magazine Game Disc 25 | XBOX | | Original | | IM-025 |  |
 | Official Xbox Magazine Game Disc 26 | XBOX | | Original | | IM-026 |  |
 | Official Xbox Magazine Game Disc 27 | XBOX | | Original | | IM-027 |  |
 | Official Xbox Magazine Game Disc 43 | XBOX | | Original | | IM-043 |  |
 | 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 46 | XBOX | | Original | | IM-046 |  |
 | Official Xbox Magazine Game Disc 47 | XBOX | | Original | | IM-076 |  |
 | Official Xbox Magazine Game Disc 49 | XBOX | | Original | | IM-078 |  |
 | Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-214 |  |
 | 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 60 | XBOX360 | | | | IM-2013 |  |
 | Official Xbox Magazine Game Disc 61 | XBOX | | Original | | IM-220 |  |
 | 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 79 | XBOX360 | | | | IM-2060 |  |
 | 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 83 | XBOX360 | | | | IM-2074 |  |
 | 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 |  |
 | The Official Xbox Playable Cheats | XBOX | | Original | | IM-001 |  |
 | The Official Xbox Starter Pack 2004 Xbox 20 Playable Demos | XBOX | | Original | | IM-001 |  |
 | Olympic Games: Atlanta 1996 | PC | | Original | | |  |
 | OnHand Chess / Sega Swirl Lite | PALM | PDA103-01 | Original | | PDA103-01 |  |
 | Oni / 4x4 Evo Oni / 4x4 Evolution | PC | | Demo | | 12DC1-09GM03-11 |  |
 | Online Connection CD: For the PlayStation Game Console | PSX | | Beta Trial Version 1.0 | | LSP-150500 … |  |
 | Online Start-Up Disc 4.0: Broadband Only | PS2 | 1.01 | Bundled with PS2 | | PBPX 95248 |  |
 | Online Start-Up Disc v3.0 | PS2 | 1.02 | Original | | PBPX-95239 |  |
 | Online Start-Up Disc v3.5: Broadband Only | PS2 | 1.00 | Original | | PBPX-95246 |  |
 | Operation | PC | | General Mills | | |  |
 | Operation | PC | | General Mills | | AM0703R71 |  |
 | Operation Body Count | PC | | Original | | |  |
 | Operation Darkness | XBOX360 | | Original | | AT-2002 |  |
 | Operation Flashpoint: Cold War Crisis | PC | | Playable Demo | | POPFCDUS40 |  |
 | Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD |  |
 | Operation Neptune | PC | 1.23 | The ClueFinders: Math Ages 9-12 | | ONT744EE-CD |  |
 | Operation Neptune + Reader Rabbit 2 Deluxe! + Ultimate Writing & Creativity Center The Learning Company 3-in-1 | PC | | | | |  |
 | Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 |  |
 | The Operational Art of War: Century of Warfare | PC | | Original | | |  |
 | Optimum Resource Sampler | PC | | Rerelease | | |  |
 | Optimum Resource Sampler | PC | | Original | | |  |
 | Orbatak | 3DO | | Arcade CD-ROM | | |  |
 | Orchid Technology Kelvin MPEG Software Catalog | PC | | | | |  |
 | Oregano Oregano: RISC OS Web Browser | ARCH | | Original | | |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Original | | OTA744CE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2 | Rerelease | | OTA744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 1) | PC | 1.3 | The Learning Company | | OAE744BE-CD1 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.2 | Original | | OTA744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | 1.3 | The Learning Company | | OAE744BE-CD2 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.2 | Original | | OTA744BE-CD3 |  |
 | The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.3 | The Learning Company | | OAE744BE-CD3 |  |
 | The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Rerelease | | OTF744CE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 2) | PC | 1 | Original | | OTF744AE-CD2 |  |
 | The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859A-CD |  |
 | The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD |  |
 | Oregon Trail II | PC | 1.0 | Original | | |  |
 | Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD |  |
 | Oregon Trail II | PC | 1.32 | Rerelease | | #HCD744CE-CD |  |
 | The Oregon Trail | PC | 1.0 | Original | | |  |
 | The Oregon Trail | PC | 1.21 | | | |  |
 | The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 |  |
 | The Orion Conspiracy | PC | 1.01 | Original | | |  |
 | Orly's Draw-A-Story | PC | | Original | | |  |
 | Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 |  |
 | Our House featuring The Family Circus | VIS | | Original | | 25-6146 |  |
 | Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 |  |
 | Outdoor Action Double Pack Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 |  |
 | Outlaw Golf 2 | XBOX | | Original | | TT-023 |  |
 | Outlaw Volleyball | XBOX | | Original | | SS-003 |  |
 | Outlaws (Demonstration Program) | PC | Demo 1.0 CD Build 3 | Demo | | 644230 |  |
 | Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 |  |
 | Outlaws (Disc 2) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644431 |  |
 | Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 |  |
 | Outpost | PC | 1.1 | Rerelease | | S725431 |  |
 | Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | |  |
 | OutRun 2 | XBOX | | Original | | SE-054 |  |
 | Ovation | ARCH | 1.48S | | | 00139 |  |
 | Over 200 Programs for Windows STG Computers LTD Windows Extra CD-ROM | PC | | Original | | |  |
 | Oz: The Magical Adventure | PC | | Original | | |  |
 | Onechanbara: Bikini Zombie Slayers | WII | | Original | | RVL-RONE-USA |  |
 | Open Season Les Rebelles de la Forêt | PC | | Cheese Heads | | |  |
 | Offensive Offensive War: The Ultimate Strategical Combat Game | PC | | Covermount | | |  |
 | Omikron: The Nomad Soul | PC | | Promo | | |  |
 | Opoona | WII | | Original | | RVL-RPOP-EUR |  |
 | Obduction | PC | 1.4.2 | Kickstarter | | |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 07/2003 | XBOX | | Original | | IM-018 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 08/2003 | XBOX | | Original | | IM-019 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 10/2003 | XBOX | | Original | | IM-021 |  |
 | Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-214 |  |
 | Official PlayStation Magazine Issue 35: September 2009 | PS3 | 01.00 | | | BCED-00434 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 01/2004 | XBOX | | Original | | IM-024 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 03/2005 | XBOX | | Original | | IM-038 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 04/2005 | XBOX | | Original | | IM-039 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 05/2005 | XBOX | | Original | | IM-040 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 06/2004 | XBOX | | Original | | IM-029 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 07/2005 | XBOX | | Original | | IM-042 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 08/2005 | XBOX | | Original | | IM-043 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 09/2005 | XBOX | | Original | | IM-044 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 10/2005 | XBOX | | Original | | IM-045 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 11/2004 | XBOX | | Original | | IM-035 |  |
 | Odin Sphere: Leifthrasir | PS3 | 01.00 | Original | | BLES-02241 |  |
 | Off Road | WII | | Original | | RVL-RO2P-EUR |  |
 | Official Demo Disc Retail Edition February 02 official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 |  |
 | Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50708 |  |
 | Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 |  |
 | Official PlayStation 2 Magazine Demo 23 | PS2 | 1.10 | | | SCED-51163 |  |
 | Official PlayStation 2 Magazine Demo 25 ops2m demo 25 | PS2 | 1.00 | | | SCED-51279 |  |
 | Official PlayStation 2 Magazine Demo 26 | PS2 | 1.00 | | | SCED-51321 |  |
 | Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51552 |  |
 | Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51656 |  |
 | Official PlayStation 2 Magazine Demo 33 ops2m demo 33 | PS2 | 1.03 | | | SCED-51559 |  |
 | Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51760 |  |
 | Official PlayStation 2 Magazine Demo 37 PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 |  |
 | Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-52054 |  |
 | Official PlayStation 2 Magazine Demo 41 ops2m demo 41 | PS2 | 1.00 | | | SCED-52185 |  |
 | Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52081 |  |
 | Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52158 |  |
 | Official PlayStation 2 Magazine Demo 42 ops2m demo 42 | PS2 | 1.01 | | | SCED-52273 |  |
 | Official PlayStation 2 Magazine Demo 42 | PS2 | 1.02 | | | SCED-52270 |  |
 | Official PlayStation 2 Magazine Demo 53 ops2m demo 53 | PS2 | 1.01 | | | SCED-52991 |  |
 | Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53067 |  |
 | Official PlayStation 2 Magazine Demo 58 | PS2 | 1.01 | | | SCED-53325 |  |
 | Official PlayStation 2 Magazine Demo 58 | PS2 | 1.00 | | | SCED-53161 |  |
 | Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53916 |  |
 | Official PlayStation 2 Magazine Demo 69 ops2m demo 69™ | PS2 | 1.00 | | | SCED-54001 |  |
 | Official PlayStation 2 Magazine Demo 71 | PS2 | 1.02 | | | SCED-54079 |  |
 | Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54481 |  |
 | Official PlayStation 2 Magazine Demo 82 ops2m germany 02-2007 | PS2 | 1.01 | | | SCED-54642 |  |
 | Official PlayStation 2 Magazine Demo 86 | PS2 | 1.02 | | | SCED-54411 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 1: Special Edition: Buyers Guide playstation2 greatest hits: vol 1 | PS2 | 1.00 | | | SCED-50161 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 2: Special Edition: A-Z of PS2 best ps2 games ever 2 demo | PS2 | 1.00 | | | SCED-50162 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 5: Special Edition: Action Heroes playstation2 greatest hits volume 5 | PS2 | 1.00 | | | SCED-50784 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 6: Special Edition: Awards 2002 playstation2 greatest hits volume 6 | PS2 | 1.00 | | | SCED-50783 |  |
 | Official PlayStation 2 Magazine-UK Greatest Hits Volume 8: Special Edition: Racing Games playstation 2 greatest hits volume 8 | PS2 | 1.10 | | | SCED-50786 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 11: The World's Best PS2 Games Ever ops2m special edition 11 | PS2 | 1.02 | | | SCED-51505 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 12: PlayStation 2 Blockbusters! ops2m special edition 12 | PS2 | 1.01 | | | SCED-51541 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 14: The Hit Squad ops2m special edition 14 | PS2 | 1.00 | | | SCED-51543 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 15: Summer Blockbusters! ops2m special edition 15 | PS2 | 1.00 | | | SCED-51544 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 17: The Best Games of 2003! ops2m special edition 17 | PS2 | 1.00 | | | SCED-51546 |  |
 | Official PlayStation 2 Magazine-UK Special Edition 19: 2004 Classics Hitlist ops2m special edition 19 | PS2 | 1.01 | | | SCED-52194 |  |
 | Official PlayStation 2 Magazine: Special Edition 2004/03 | PS2 | 1.00 | | | SCED-52997 |  |
 | Official Xbox Magazine Game Disc 41 | XBOX | | Original | | IM-041 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 01/2003 | XBOX | | Original | | IM-012 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 02/2003 | XBOX | | Original | | IM-013 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 11/2002 | XBOX | | Original | | IM-002 |  |
 | Onimusha 2: Samurai's Destiny 鬼武者2 PAL | PS2 | 1.00 | Beta | | SLES-50978 |  |
 | Online Chess Kingdoms | PSP | 1.02 | Original | | ULES-00570 |  |
 | Open Season | XBOX | | Original | | US-097 |  |
 | Open Season | GC | | Original | | DL-DOL-GOSX-EUU |  |
 | Order Up!! | PS3 | 01.02 | Original | | BLUS-30904 |  |
 | Outrage | PC | | Original | | |  |
 | OutRun 2 | XBOX | | Beta | | |  |
 | OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 |  |
 | Overlord | XBOX360 | | Beta | | CM-2005 |  |
 | Overlord | XBOX360 | | Beta | | CM-2005 |  |
 | Overlord II | PC | | Original | | MOVL2CDEU00 |  |
 | Overlord II | XBOX360 | | Beta | | CM-2058 |  |
 | The Operative: No One Lives Forever (Disc 1) | PC | | Bundle Version Micro-Star International OEM | | CD-W581995-MSYZ1, FXX08903223D1 |  |
 | The Operative: No One Lives Forever (Disc 2) (In the Lounge with No One Lives Forever) | PC | | Bundle Version Micro-Star International OEM | | CD-W581995-MSYZ2 |  |
 | Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 |  |
 | Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 |  |
 | Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 |  |
 | Open Season | GC | | Original | | DL-DOL-GOSE-USA |  |
 | Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA |  |
 | Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50685 |  |
 | Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50698 |  |
 | Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-51262 |  |
 | Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51432 |  |
 | Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51483 |  |
 | Official PlayStation 2 Magazine Demo 32 | PS2 | 1.02 | | | SCED-51567 |  |
 | Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51569 |  |
 | Official PlayStation 2 Magazine Demo 36 | PS2 | 1.01 | | | SCED-51571 |  |
 | Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51573 |  |
 | Official PlayStation 2 Magazine Demo 38 | PS2 | 1.01 | | | SCED-51935 |  |
 | Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52068 |  |
 | Official PlayStation 2 Magazine Demo 42 | PS2 | 1.01 | | | SCED-52069 |  |
 | Official PlayStation 2 Magazine Demo 53 | PS2 | 1.00 | | | SCED-52080 |  |
 | Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53056 |  |
 | Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53159 |  |
 | Official PlayStation 2 Magazine Demo 58 | PS2 | 1.02 | | | SCED-53206 |  |
 | Official PlayStation 2 Magazine Demo 59 | PS2 | 1.01 | | | SCED-53207 |  |
 | Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53208 |  |
 | Official PlayStation 2 Magazine Demo 64 | PS2 | 1.01 | | | SCED-53212 |  |
 | Official PlayStation 2 Magazine Demo 65 | PS2 | 1.00 | | | SCED-53213 |  |
 | Official PlayStation 2 Magazine Demo 68 | PS2 | 1.00 | | | SCED-53216 |  |
 | Official PlayStation 2 Magazine Demo 70 | PS2 | 1.01 | | | SCED-54037 |  |
 | Official PlayStation 2 Magazine Demo 73 | PS2 | 1.00 | | | SCED-54052 |  |
 | Official PlayStation 2 Magazine Demo 76 | PS2 | 1.01 | | | SCED-54055 |  |
 | Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54057 |  |
 | Official PlayStation 2 Magazine Demo 83 ops2m germany 2007/03 | PS2 | 1.01 | | | SCED-54692 |  |
 | Official PlayStation 2 Magazine: Kids Special OPS2 Ger Kids Special/DEM/GER | PS2 | 1.00 | | | SCED-53611 |  |
 | Official PlayStation 2 Magazine: Special Edition 2005/01 ops2m ger special 01/2005 | PS2 | 1.02 | | | SCED-53298 |  |
 | Official PlayStation 2 Magazine: Winter 2006 ops2 ger winter 2006 | PS2 | 1.00 | | | SCED-54558 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 04/2003 | XBOX | | Original | | IM-015 |  |
 | One Must Fall 2097 One Must Fall | PC | | Rerelease | | D.L.: M-8684-97 |  |
 | One Must Fall 2097 | PC | 1.1 | Demo | | |  |
 | Oni | PC | 1.0 | Covermount | | |  |
 | Oni | PC | 1.0 | Covermount | | |  |
 | Ozzie's World オジィーズワールド | PC | | Original | | ASOW-71110 |  |
 | Official PlayStation 2 Magazine French Christmas Special Demo ops2m french christmas special demo | PS2 | 1.00 | | | SCED-53854 |  |
 | Oni | PS2 | 1.02 | Original | | SLES-50176 |  |
 | Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 |  |
 | Obscure ObsCure | PC | 1.1 | Covermount | | |  |
 | O.D.T. | PSX | | Demo | | SLED-01575 |  |
 | Official PlayStation 2 Magazine Demo 61 | PS2 | 1.01 | | | SCED-53209 |  |
 | Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53210 |  |
 | Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53211 |  |
 | Official PlayStation 2 Magazine Demo 66 | PS2 | 1.00 | | | SCED-53214 |  |
 | Official PlayStation 2 Magazine Demo 67 | PS2 | 1.00 | | | SCED-53215 |  |
 | Official PlayStation 2 Magazine Demo 69 | PS2 | 1.00 | | | SCED-53217 |  |
 | Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54050 |  |
 | Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54051 |  |
 | Official PlayStation 2 Magazine Demo 74 | PS2 | 1.01 | | | SCED-54053 |  |
 | Official PlayStation 2 Magazine Demo 75 | PS2 | 1.00 | | | SCED-54054 |  |
 | Official PlayStation 2 Magazine Demo 77 ops2m germany 10-2006 | PS2 | 1.00 | | | SCED-54056 |  |
 | Official PlayStation 2 Magazine Demo 80 | PS2 | 1.00 | | | SCED-54059 |  |
 | Official PlayStation 2 Magazine Demo 81 | PS2 | 1.00 | | | SCED-54605 |  |
 | Official PlayStation 2 Magazine Demo 84 | PS2 | 1.00 | | | SCED-54758 |  |
 | Official PlayStation 2 Magazine: Special Edition 1 | PS2 | 1.10 | | | SCED-50780 |  |
 | Official PlayStation 2 Magazine: Special Edition 2003/02 | PS2 | 1.01 | | | SCED-51549 |  |
 | Official PlayStation 2 Magazine: Special Edition 2003/03 | PS2 | 1.00 | | | SCED-51551 |  |
 | Official PlayStation 2 Magazine: Special Edition 2005/02 | PS2 | 1.00 | | | SCED-53662 |  |
 | Official PlayStation 2 Magazine: Special Edition 2006/01 Das Offizielle PlayStation 2 Magazin: Special Edition 01/2006 | PS2 | 1.00 | | | SCED-54034 |  |
 | Official PlayStation 2 Magazine: Special Edition 2007/01 | PS2 | 1.02 | | | SCED-54693 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 01/2006 | XBOX | | Original | | IM-049 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 08/2002 | XBOX | | Original | | IM-001 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 09/2006 | XBOX | | Original | | IM-226 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 10/2004 | XBOX | | Original | | IM-034 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 11/2005 | XBOX | | Original | | IM-046 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 12/2002 | XBOX | | Original | | IM-003 |  |
 | Das Offizielle Xbox-Magazin: Cover-DVD 12/2005 | XBOX | | Original | | IM-048 |  |
 | Ogallala: Das Kartenspiel für PC | PC | | Original | | ECD000799D 00031111-001 |  |
 | Oil Tycoon | PC | 1.0 | Original | | |  |
 | Opera Fatal | PC | | Original | | |  |
 | Orion Burger | PC | | Original | | |  |
 | Outbreaker | PC | | Original | | |  |
 | Outlaws: Die Gesetzlosen (Disc 1) | PC | 1.1.1 | Original | | |  |
 | Outlaws: Die Gesetzlosen (Disc 2) | PC | 1.1.1 | Original | | |  |
 | Oxyd Magnum! Gold Edition | PC | | Game-Pack 3 | | 80227 |  |
 | Obscure ObsCure | XBOX | | Original | | MI-009 |  |
 | Odysseia ΟΔΥΣΣΕΙΑ | PC | 1.8 | Original | | |  |
 | O.R.B: Off-World Resource Base | PC | | Covermount | | |  |
 | Odissea: Sulle tracce di Ulisse (Disc 1) | PC | | Original | | ODY-ITA-P01 |  |
 | Odissea: Sulle tracce di Ulisse (Disc 2) | PC | | Original | | ODY-ITA-P02 |  |
 | Omnia Junior 1: Enciclopedia: Dizionario | PC | | Covermount | | SIAE 08A01PA |  |
 | Omnia Junior 2: Storia: Attività interattive | PC | | Covermount | | SIAE 0901PA |  |
 | Omnia Junior 3: Il Mondo degli Animali | PC | | Covermount | | SIAE1001PA |  |
 | Original War (Disc 1) | PC | 1.02 | Covermount | | |  |
 | Original War (Disc 2) | PC | 1.02 | Covermount | | |  |
 | Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | |  |
 | Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | |  |
 | OASYS/Win V2.0 | FMT | | Original | | B28C7020 |  |
 | Obaachan no Chiebukuro おばあちゃんの知恵袋 | FMT | | Original | | HMC-169 |  |
 | Obbligato (Taikenban CD-ROM) オブリガート 体験版CD-ROM | PC | | Demo | | |  |
 | Odo Odo Oddity おどおど おっでぃ | PSX | | Hibaihin | | SLPM 80075 |  |
 | Ogura Hyakunin Isshu 小倉百人一首 | 3DO | | Original | | SV-0201 |  |
 | Ohinasama: Shiawase wa Suigin no Aji オヒナサマ ~しあわせは水銀の味~ | PC | 2.00 | Original | | SPCG-10001 |  |
 | Oilman オイルマン | 3DO | | Hibaihin | | OIL-9610 |  |
 | Ojarumaru: Pasokon Yarou Yo! Mouse de Jigsaw Puzzle おじゃる丸 パソコンやろうよ! マウスでジグソーパズル | PC | | Original | | |  |
 | Ojousama Express お嬢様特急 | PSX | | Taikenban | | SLPM 80255 |  |
 | Okigaru Igo Taikyoku お気軽囲碁対局 | PPC | | Original | | |  |
 | 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-derful Theater ONEだふるシアター | X68K | | | | |  |
 | Oneechanbara Z: Kagura with NoNoNo! お姉チャンバラZ~カグラ~ With NoNoNo! | PS3 | 01.03 | Original | | BLJS 10221 |  |
 | Onegai Countdown おねがいカウントダウン | PC | | Original | | YMH-0013 |  |
 | Oni no Kamen 鬼ノ仮面 | PC | 1.00 | Original | | |  |
 | 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: Sekai no Namida to Shoujo no Hanashi: Prelude Only You -世界の涙と少女のハナシ- Prelude | PC | 1.00 | Trial Edition version:share II | | |  |
 | Onsen Ryokou Kakumei: Ich liebe dich.! 温泉旅行革命 ~Ich liebe dich.!~ | PC | 1.00 | Original | | RUCCA-003 |  |
 | Oozora ni Kodawarou! Minna no Kuukou 2 大空にこだわろう! みんなの空港2 | PC | | | | |  |
 | Opera House Preview Disc オペラハウス プレビューディスク | PC | | Original | | |  |
 | Opera House Preview Disc #2 オペラハウス プレビューディスク #2 | PC | | Original | | |  |
 | Opera House Preview Disc #2.3 オペラハウス プレビューディスク #2.3 | PC | | Original | | |  |
 | Option: Tuning Car Battle Option チューニングカーバトル | PSX | | Highlight-ban | | SLPM 80203 |  |
 | Option: Tuning Car Battle Option チューニングカーバトル | PSX | | Taikenban | | SLPM 80206 |  |
 | Ore no Ryouri 俺の料理 | PSX | | Taikenban | | PAPX 90084 |  |
 | Ore no Ryouri 俺の料理 | PSX | | Taikenban | | PAPX 90089 |  |
 | Ore no Shikabane o Koete Yuke 俺の屍を越えてゆけ | PSX | | Tentou-you Movie Disc | | PCPX 96160 |  |
 | Ore no Shita de Agake 俺の下であがけ | PC | System3.9 Ver.5.43 | Original | | ALB-005 |  |
 | Osananajimi wa Pet Yakuza! 幼なじみはペットヤクザ!体験版 | PC | | Taikenban | | |  |
 | Oshare Cooking おしゃれクッキング | FMT | Rev A | Original | | HMA-267A |  |
 | Oshare Cooking II おしゃれクッキングⅡ | FMT | Rev B | Original | | HMA-267B |  |