Region | Title | System | Version | Edition | Languages | Serial | Status |
| Overlord II | XBOX360 | | Beta | | CM-2058 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| Overlord | XBOX360 | | Beta | | CM-2005 | |
| The Orange Box (Disc 2) | PC | | Original, EA Classics | | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | |
| The Orange Box 오렌지 박스 | XBOX360 | | Original | | EA-2063 | |
| Official Xbox Magazine Game Disc 48 | XBOX | | Original | | IM-048 | |
| Official PlayStation 2 Magazine Demo 56 | PS2 | 1.01 | | | SCED-53122 | |
| Order Up! | WII | | Original | | RVL-ROXP-UKV | |
| Offroad Extreme! | WII | | Original | | RVL-ROFP-UKV-1 | |
| Official Xbox Starter Pack 2004 | XBOX | | Original | | IM-001 | |
| The Official Xbox Playable Cheats | XBOX | | Original | | IM-001 | |
| Official Xbox Magazine Game Disc 42 | XBOX | | Original | | IM-042 | |
| 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 | |
| Official Xbox Magazine Game Disc 20 | XBOX | | Original | | IM-020 | |
| Official Xbox Magazine Game Disc 18 | XBOX | | Original | | IM-018 | |
| The Official Xbox Live Disc | XBOX | | Original | | IM-001 | |
| The Official Xbox 50 Best Games 20 Games to Play | XBOX | | | | IM-001 | |
| Official PlayStation 2 Magazine-UK: Crime Special ops2m crime special | PS2 | 1.01 | | | SCED-51444 | |
| 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 Special Edition 19: 2004 Classics Hitlist ops2m special edition 19 | PS2 | 1.01 | | | SCED-52194 | |
| Official PlayStation 2 Magazine-UK Special Edition 18: Hot 100 | PS2 | 1.01 | | | SCED-52193 | |
| 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 16: Buyers Guide ops2m special edition 16 | PS2 | 1.01 | | | SCED-51545 | |
| Official PlayStation 2 Magazine-UK Special Edition 15: Summer Blockbusters! ops2m special edition 15 | PS2 | 1.00 | | | SCED-51544 | |
| Official PlayStation 2 Magazine-UK Special Edition 14: The Hit Squad ops2m special edition 14 | PS2 | 1.00 | | | SCED-51543 | |
| Official PlayStation 2 Magazine-UK Special Edition 13: Girls! Motors! Guns! War! Monsters! ops2m special edition 13 | PS2 | 1.00 | | | SCED-51542 | |
| Official PlayStation 2 Magazine-UK Special Edition 12: PlayStation 2 Blockbusters! ops2m special edition 12 | PS2 | 1.01 | | | SCED-51541 | |
| Official PlayStation 2 Magazine-UK Special Edition 11: The World's Best PS2 Games Ever ops2m special edition 11 | PS2 | 1.02 | | | SCED-51505 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 9: Special Edition: Buyers Guide playstation 2 greatest hits volume 9 | PS2 | 1.00 | | | SCED-51280 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 8: Special Edition: Racing Games playstation 2 greatest hits volume 8 | PS2 | 1.10 | | | SCED-50786 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 7: Special Edition: Sports Games playstation 2 greatest hits volume 7 | PS2 | 1.00 | | | SCED-50785 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 6: Special Edition: Awards 2002 playstation2 greatest hits volume 6 | PS2 | 1.00 | | | SCED-50783 | |
| 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 4: Special Edition: Yearbook 2001 playstation2 greatest hits: vol 4 | PS2 | 1.00 | | | SCED-50164 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 3: Special Edition: Players Guide playstation2 greatest hits: vol 3 | PS2 | 1.00 | | | SCED-50163 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 2: Special Edition: A-Z of PS2 best ps2 games ever 2 demo | PS2 | 1.00 | | | SCED-50162 | |
| Official PlayStation 2 Magazine-UK Greatest Hits Volume 1: Special Edition: Buyers Guide playstation2 greatest hits: vol 1 | PS2 | 1.00 | | | SCED-50161 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53166 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53165 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.01 | | | SCED-53164 | |
| Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53163 | |
| Official PlayStation 2 Magazine Demo 59 | PS2 | 1.00 | | | SCED-53162 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.00 | | | SCED-53161 | |
| Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53160 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.01 | | | SCED-52168 | |
| Official PlayStation 2 Magazine Demo 52 | PS2 | 1.01 | | | SCED-52167 | |
| Official PlayStation 2 Magazine Demo 51 | PS2 | 1.00 | | | SCED-52166 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.03 | | | SCED-52165 | |
| Overlord II | XBOX360 | | Original | | CM-2057 | |
| Overlord | XBOX360 | | Original | | CM-2005 | |
| Over G Fighters | XBOX360 | | Original | | TI-2001 | |
| OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| The Orange Box (Disc 1) | PC | | Original, EA Classics | | 985207, VAE07705811D, VAE07705811D/ENG, VAE07707118D/ENG, VAX07705811D/AUS | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Elite | XBOX | | Original | | CM-090 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Onechanbara: Bikini Samurai Squad | XBOX360 | | Original | | DP-2026 | |
| Omerta: City of Gangsters | XBOX360 | | Original | | KY-2021 | |
| Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| Overwatch | PC | | Origins Edition | | | |
| Owlboy (Game Disc) | PC | 0.0.6152.604 | IndieBox | | | |
| Overwatch | PC | | Game of the Year Edition, Legendary Edition | | 73052010US, S7302210 | |
| Overlord: Raising Hell | PS3 | 01.00 | Original | | BLUS-30143 | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAE-USA | |
| Overlord II | PC | 1.0 | Original | | MOVL2CDUS00 | |
| Overlord II | PS3 | 01.01 | Original | | BLUS-30317 | |
| Overlord II | PC | | Preview Code | | | |
| Overlord | PC | 1.0 | Original | | MOVL1CDFC00 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.03 | Original | | ULUS-10064 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball Remixed | PS2 | 1.02 | Original | | SLUS 21049 | |
| Outlaw Volleyball | XBOX | | Original | | SS-003 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLUS 21190 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Golf: Holiday Golf | XBOX | | Original | | SS-005 | |
| Outlaw Golf: 9 More Holes of X-Mas | XBOX | | Original | | SS-006 | |
| Outlaw Golf: 9 Holes of X-Mas | XBOX | | Original | | VU-027 | |
| Outlaw Golf 2 | PS2 | 1.02 | Original | | SLUS 21030 | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| Outlaw Golf | XBOX | | Original | | VU-016 | |
| Outlaw Golf | GC | | Original | | DL-DOL-GOFE-USA | |
| Outdoor Action Double Pack Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 | |
| Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 | |
| Otomedius Excellent | XBOX360 | | Original | | KN-2106 | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLUS-20011 | |
| The Oregon Trail | WII | | 40th Anniversary Edition | | RVL-SORE-USA-B0 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD | |
| Order Up!! | PS3 | 01.02 | Original | | BLUS-30904 | |
| Order Up! | WII | Rev 1 | Original | | RVL-ROXE-USA | |
| Order Up! | WII | | Original | | RVL-ROXE-USA | |
| Order Up! | WII | | Beta | | | |
| The Orange Box (Disc 2) | PC | | Original | | 985217 | |
| The Orange Box | PS3 | 01.00 | Original | | BLUS-30055 | |
| Opoona | WII | | Original | | RVL-RPOE-USA | |
| The Operative: No One Lives Forever | PS2 | 1.50 | Original | | SLUS 20028 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLUS-30704 | |
| Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLUS-30316 | |
| Operation Darkness | XBOX360 | | Original | | AT-2002 | |
| Open Season | PS2 | 1.01 | Original | | SLUS 21467 | |
| Open Season | PSP | 1.01 | Original | | ULUS 10152 | |
| Open Season | WII | | Original | | RVL-ROPE-USA | |
| Open Season | GC | | Original | | DL-DOL-GOSE-USA | |
| Open Season | XBOX | | Original | | US-097 | |
| Open Season | XBOX360 | | Original, ESA Foundation Holiday Bundle | | US-2024 | |
| Oops! Prank Party | WII | Rev 1 | Original | | RVL-SPIE-USA-B0 | |
| Oops! Prank Party | WII | | Demo | | RVL-DPIE-USA-B0 | |
| Onslaught | WII | | Beta | | | |
| Online Chess Kingdoms | PSP | 1.02 | Original | | ULUS 10179 | |
| Onimusha: Warlords | PS2 | 1.00 | Original, Greatest Hits | | SLUS-20018 … | |
| Onimusha: Dawn of Dreams (Disc 2) | PS2 | 1.02 | Original | | SLUS-21362 | |
| Onimusha: Dawn of Dreams (Disc 1) | PS2 | 1.02 | Original | | SLUS-21180 | |
| Onimusha: Blade Warriors | PS2 | 1.01 | Original | | SLUS-20710 | |
| Onimusha 3: Demon Siege | PS2 | 1.01 | Original | | SLUS-20694 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.03 | Original | | SLUS-20393 | |
| Onechanbara: Bikini Zombie Slayers | WII | | Original | | RVL-RONE-USA | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Day One Edition | | BLUS-31427 … | |
| Once Upon a Time | WII | Rev 1 | Original | | RVL-SUTE-USA-B0 | |
| Ōkami | PS2 | 1.01 | Original, Greatest Hits | | SLUS 21115 … | |
| Ōkami | WII | | Original | | RVL-ROWE-USA | |
| Ōkami | WII | | Beta | | | |
| Offshore Tycoon | WII | | Original | | RVL-RXFE-USA | |
| Offroad Extreme! Special Edition | WII | | Original | | RVL-ROFE-USA-B0 | |
| Official Xbox Magazine Game Disc 99 | XBOX360 | | | | IM-2116 | |
| Official Xbox Magazine Game Disc 98 | XBOX360 | | | | IM-2115 | |
| Official Xbox Magazine Game Disc 97 | XBOX360 | | | | IM-2114 | |
| Official Xbox Magazine Game Disc 96 | XBOX360 | | | | IM-2113 | |
| Official Xbox Magazine Game Disc 95 | XBOX360 | | | | IM-2112 | |
| Official Xbox Magazine Game Disc 94 | XBOX360 | | | | IM-2110 | |
| Official Xbox Magazine Game Disc 93 | XBOX360 | | | | IM-2107 | |
| Official Xbox Magazine Game Disc 92 | XBOX360 | | | | IM-2084 | |
| Official Xbox Magazine Game Disc 91 | XBOX360 | | | | IM-2083 | |
| Official Xbox Magazine Game Disc 90 | XBOX360 | | | | IM-2082 | |
| Official Xbox Magazine Game Disc 89 | XBOX360 | | | | IM-2081 | |
| Official Xbox Magazine Game Disc 88 | XBOX360 | | | | IM-2080 | |
| Official Xbox Magazine Game Disc 87 | XBOX360 | | | | IM-2079 | |
| Official Xbox Magazine Game Disc 86 | XBOX360 | | | | IM-2078 | |
| Official Xbox Magazine Game Disc 85 | XBOX360 | | | | IM-2076 | |
| Official Xbox Magazine Game Disc 84 | XBOX360 | | | | IM-2075 | |
| Official Xbox Magazine Game Disc 83 | XBOX360 | | | | IM-2074 | |
| Official Xbox Magazine Game Disc 82 | XBOX360 | | | | IM-2073 | |
| Official Xbox Magazine Game Disc 81 | XBOX360 | | | | IM-2072 | |
| Official Xbox Magazine Game Disc 80 | XBOX360 | | | | IM-2061 | |
| Official Xbox Magazine Game Disc 79 | XBOX360 | | | | IM-2060 | |
| Official Xbox Magazine Game Disc 78 | XBOX360 | | | | IM-2056 | |
| Official Xbox Magazine Game Disc 77 | XBOX360 | | | | IM-2055 | |
| Official Xbox Magazine Game Disc 76 | XBOX360 | | | | IM-2053 | |
| Official Xbox Magazine Game Disc 75 | XBOX360 | | | | IM-2051 | |
| Official Xbox Magazine Game Disc 74 | XBOX360 | | | | IM-2054 | |
| Official Xbox Magazine Game Disc 73 | XBOX360 | | | | IM-2052 | |
| Official Xbox Magazine Game Disc 72 | XBOX360 | | | | IM-2048 | |
| Official Xbox Magazine Game Disc 71 | XBOX360 | | | | IM-2037 | |
| Official Xbox Magazine Game Disc 70 | XBOX360 | | | | IM-2036 | |
| Official Xbox Magazine Game Disc 69 | XBOX360 | | | | IM-2035 | |
| Official Xbox Magazine Game Disc 68 | XBOX360 | | | | IM-2034 | |
| Official Xbox Magazine Game Disc 67 | XBOX360 | | | | IM-2033 | |
| Official Xbox Magazine Game Disc 66 | XBOX360 | | | | IM-2032 | |
| Official Xbox Magazine Game Disc 65 | XBOX360 | | | | IM-2027 | |
| Official Xbox Magazine Game Disc 64 | XBOX | | | | IM-223 | |
| Official Xbox Magazine Game Disc 63 | XBOX | | | | IM-222 | |
| Official Xbox Magazine Game Disc 62 | XBOX | | Original | | IM-221 | |
| Official Xbox Magazine Game Disc 61 | XBOX | | Original | | IM-220 | |
| Official Xbox Magazine Game Disc 60 | XBOX360 | | | | IM-2013 | |
| Official Xbox Magazine Game Disc 59 | XBOX | | Original | | IM-218 | |
| Official Xbox Magazine Game Disc 58 | XBOX | | Original | | IM-216 | |
| Official Xbox Magazine Game Disc 57 | XBOX | | Original | | IM-215 | |
| Official Xbox Magazine Game Disc 56 | XBOX | | Original | | IM-213 | |
| Official Xbox Magazine Game Disc 55 | XBOX | | | | IM-209 | |
| Official Xbox Magazine Game Disc 54e | XBOX360 | | | | SQ-2002 | |
| Official Xbox Magazine Game Disc 54 | XBOX | | Original | | IM-208 | |
| Official Xbox Magazine Game Disc 53 | XBOX | | Original | | IM-204 | |
| Official Xbox Magazine Game Disc 52 | XBOX | | Original | | IM-082 | |
| Official Xbox Magazine Game Disc 51 | XBOX | | Original | | IM-081 | |
| Official Xbox Magazine Game Disc 50 | XBOX | | Original | | IM-080 | |
| Official Xbox Magazine Game Disc 49 | XBOX | | Original | | IM-078 | |
| Official Xbox Magazine Game Disc 48 | XBOX | | Original | | IM-077 | |
| Official Xbox Magazine Game Disc 47 | XBOX | | Original | | IM-076 | |
| Official Xbox Magazine Game Disc 46 | XBOX | | Original | | IM-075 | |
| Official Xbox Magazine Game Disc 45 | XBOX | | Original | | IM-074 | |
| Official Xbox Magazine Game Disc 44 | XBOX | | Original | | IM-071 | |
| 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 38 | XBOX | | Original | | IM-038 | |
| Official Xbox Magazine Game Disc 37 | XBOX | | Original | | IM-037 | |
| Official Xbox Magazine Game Disc 36 | XBOX | | Original | | IM-036 | |
| Official Xbox Magazine Game Disc 35 | XBOX | | Original | | IM-035 | |
| Official Xbox Magazine Game Disc 34 | XBOX | | Original | | IM-034 | |
| Official Xbox Magazine Game Disc 33 | XBOX | | Original | | IM-033 | |
| Official Xbox Magazine Game Disc 32 | XBOX | | Original | | IM-032 | |
| Official Xbox Magazine Game Disc 31 | XBOX | | Original | | IM-031 | |
| Official Xbox Magazine Game Disc 30 | XBOX | | Original | | IM-030 | |
| Official Xbox Magazine Game Disc 29 | XBOX | | Original | | IM-029 | |
| Official Xbox Magazine Game Disc 28 | XBOX | | Original | | IM-028 | |
| Official Xbox Magazine Game Disc 27 | XBOX | | Original | | IM-027 | |
| Official Xbox Magazine Game Disc 26 | XBOX | | Original | | IM-025 | |
| Official Xbox Magazine Game Disc 25 | XBOX | | Original | | IM-024 | |
| Official Xbox Magazine Game Disc 24 | XBOX | | Original | | IM-023 | |
| Official Xbox Magazine Game Disc 23 | XBOX | | | | IM-022 | |
| Official Xbox Magazine Game Disc 22 | XBOX | | Original | | IM-021 | |
| Official Xbox Magazine Game Disc 21 | XBOX | | Original | | IM-020 | |
| Official Xbox Magazine Game Disc 20 | XBOX | | Original | | IM-019 | |
| Official Xbox Magazine Game Disc 19 | XBOX | | Original | | IM-018 | |
| Official Xbox Magazine Game Disc 18 | XBOX | | Original | | IM-017 | |
| Official Xbox Magazine Game Disc 17 | XBOX | | Original | | IM-016 | |
| Official Xbox Magazine Game Disc 16 | XBOX | | Original | | IM-015 | |
| Official Xbox Magazine Game Disc 15 | XBOX | | | | IM-014 | |
| Official Xbox Magazine Game Disc 14 | XBOX | | Original | | IM-013 | |
| Official Xbox Magazine Game Disc 131 | XBOX360 | | | | IM-2117 | |
| Official Xbox Magazine Game Disc 130 | XBOX360 | | | | IM-2116 | |
| Official Xbox Magazine Game Disc 13 | XBOX | | Original | | IM-012 | |
| Official Xbox Magazine Game Disc 129 | XBOX360 | | | | IM-2115 | |
| Official Xbox Magazine Game Disc 128 | XBOX360 | | | | IM-2109 | |
| 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 12 | XBOX | | | | IM-011 | |
| 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 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 11 | XBOX | | Original | | IM-010 | |
| Official Xbox Magazine Game Disc 109 | XBOX360 | | | | IM-2145 | |
| 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 10 | XBOX | | | | IM-009 | |
| Official Xbox Magazine Game Disc 09 | XBOX | | Original | | IM-008 | |
| Official Xbox Magazine Game Disc 08 | XBOX | | Original | | IM-007 | |
| Official Xbox Magazine Game Disc 07 | XBOX | | | | IM-006 | |
| Official Xbox Magazine Game Disc 06 | XBOX | | Original | | IM-005 | |
| 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 02 | XBOX | | Original | | IM-001 | |
| Official Xbox Magazine Best of Xbox Game Demos Vol. 1 | XBOX | | Original | | IM-026 | |
| 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 87 | PS2 | 1.01 | | | SCUS 97340 | |
| 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 | |
| Official U.S. PlayStation Magazine Demo Disc 71 | PS2 | 1.01 | | | SCUS 97246 | |
| Official U.S. PlayStation Magazine Demo Disc 70 | PS2 | 1.00 | | | SCUS 97245 | |
| Official U.S. PlayStation Magazine Demo Disc 69 | PS2 | 1.00 | | | SCUS 97244 | |
| Official U.S. PlayStation Magazine Demo Disc 68 | PS2 | 1.00 | | | SCUS 97243 | |
| Official U.S. PlayStation Magazine Demo Disc 67 | PS2 | 1.00 | | | SCUS 97242 | |
| Official U.S. PlayStation Magazine Demo Disc 66 | PS2 | 1.00 | | | SCUS 97241 | |
| Official U.S. PlayStation Magazine Demo Disc 65 | PS2 | 1.00 | | | SCUS 97191 | |
| Official U.S. PlayStation Magazine Demo Disc 64 | PS2 | 1.00 | | | SCUS 97190 | |
| Official U.S. PlayStation Magazine Demo Disc 63 | PS2 | 1.00 | | | SCUS 97189 | |
| Official U.S. PlayStation Magazine Demo Disc 62 | PS2 | 1.00 | | | SCUS 97188 | |
| Official U.S. PlayStation Magazine Demo Disc 61 | PS2 | 1.00 | | | SCUS 97187 | |
| Official U.S. PlayStation Magazine Demo Disc 60 | PS2 | 1.00 | | | SCUS 97186 | |
| Official U.S. PlayStation Magazine Demo Disc 59 | PS2 | 1.00 | | | SCUS 97185 | |
| Official U.S. PlayStation Magazine Demo Disc 58 | PS2 | 1.00 | | | SCUS 97184 | |
| Official U.S. PlayStation Magazine Demo Disc 57 | PS2 | 1.00 | | | SCUS 97183 | |
| Official U.S. PlayStation Magazine Demo Disc 56 | PS2 | 1.00 | | | SCUS 97182 | |
| Official U.S. PlayStation Magazine Demo Disc 55 | PS2 | 1.00 | | | SCUS 97181 | |
| Official U.S. PlayStation Magazine Demo Disc 53 | PS2 | 1.00 | | | SCUS 97176 | |
| Official U.S. PlayStation Magazine Demo Disc 51 | PS2 | 1.00 | | | SCUS 97165 | |
| Official U.S. PlayStation Magazine Demo Disc 49 | PS2 | 1.00 | | | SCUS 97158 | |
| Official U.S. PlayStation Magazine Demo Disc 112 | PS2 | 1.00 | | | SCUS 97540 | |
| Official U.S. PlayStation Magazine Demo Disc 111 | PS2 | 1.00 | | | SCUS 97539 | |
| Official U.S. PlayStation Magazine Demo Disc 110 | PS2 | 1.00 | | | SCUS 97538 | |
| Official U.S. PlayStation Magazine Demo Disc 109 | PS2 | 1.00 | | | SCUS 97537 | |
| Official U.S. PlayStation Magazine Demo Disc 108 | PS2 | 1.00 | | | SCUS 97536 | |
| Official U.S. PlayStation Magazine Demo Disc 107 | PS2 | 1.02 | | | SCUS 97535 | |
| Official U.S. PlayStation Magazine Demo Disc 106 | PS2 | 1.00 | | | SCUS 97534 | |
| Official U.S. PlayStation Magazine Demo Disc 105 | PS2 | 1.00 | | | SCUS 97533 | |
| Official U.S. PlayStation Magazine Demo Disc 104 | PS2 | 1.00 | | | SCUS 97532 | |
| Official U.S. PlayStation Magazine Demo Disc 103 | PS2 | 1.00 | | | SCUS 97531 | |
| Official U.S. PlayStation Magazine Demo Disc 102 | PS2 | 1.00 | | | SCUS 97454 | |
| Official U.S. PlayStation Magazine Demo Disc 101 | PS2 | 1.00 | | | SCUS 97453 | |
| Official U.S. PlayStation Magazine Demo Disc 100 | PS2 | 1.00 | | | SCUS 97452 | |
| Odin Sphere: Leifthrasir | PS3 | 01.01 | Original | | BLUS-31601 | |
| Odin Sphere | PS2 | 1.00 | Trade Demo | | SLUS-28065 | |
| Odin Sphere | PS2 | 1.00 | Original, Greatest Hits | | SLUS 21577 … | |
| Oddworld: Stranger's Wrath HD | PS3 | 01.00 | Original | | BLUS-31620 | |
| Oddworld: Stranger's Wrath | XBOX | | Original | | EA-109 | |
| Oddworld: Munch's Oddysee | XBOX | | Platinum Hits | | MS-001 | |
| Oddworld: Abe's Origins | PC | | Limited Run Games | | | |
| Oddworld: Abe's Oddysee: New 'n' Tasty! | PS3 | 01.00 | Limited Edition | | BLUS-31621 | |
| Odama | GC | Rev 1 | Original | | DL-DOL-GOOE-USA | |
| Octomania | WII | | Original | | RVL-RTKE-USA | |
| Ocean Commander | WII | | Original | | RVL-RQME-USA | |
| Obscure: The Aftermath ObsCure: The Aftermath | PSP | 1.00 | Original, Test Sample | | ULUS-10484 | |
| Obscure: The Aftermath ObsCure: The Aftermath | PS2 | 1.00 | Original | | SLUS-21709 | |
| Obscure: The Aftermath ObsCure: The Aftermath | WII | | Original | | RVL-ROBE-USA | |
| Obscure: The Aftermath ObsCure: The Aftermath | WII | | Beta | | | |
| Obscure ObsCure | PS2 | 1.00 | Original | | SLUS 20777 | |
| Obscure ObsCure | XBOX | | Original | | MI-009 | |
| Obduction | PC | 1.4.2 | Kickstarter | | | |
| Obduction | MAC | | Kickstarter | | | |
| 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 | |
| Oyungezer: Mart 2010 | PC | | | | | |
| Operation Thunderstorm | PC | 1.0 | Original | | | |
| Official PlayStation 2 Magazine Demo 81 ops2m demo 81 spa/por | PS2 | 1.00 | | | SCED-54603 | |
| Official PlayStation 2 Magazine Demo 80 ops2m demo 80 spa/por | PS2 | 1.00 | | | SCED-54567 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54070 | |
| Official PlayStation 2 Magazine Demo 69 & 70 ops2m demo 69 & 70 | PS2 | 1.01 | | | SCED-54036 | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53932 | |
| Official PlayStation 2 Magazine Demo 58 ops2m demo 58: spa/por | PS2 | 1.00 | | | SCED-53348 | |
| Official PlayStation 2 Magazine Demo 45 ops2m demo 45 | PS2 | 1.02 | | | SCED-52452 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53067 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.02 | | | SCED-52270 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52158 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-52054 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51760 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51656 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51552 | |
| Official PlayStation 2 Magazine Demo 26 | PS2 | 1.00 | | | SCED-51321 | |
| Official PlayStation 2 Magazine Demo 23 | PS2 | 1.10 | | | SCED-51163 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50708 | |
| Oddworld: Munch's Oddysee | XBOX | | Original | | MS-001 | |
| Overlord: Raising Hell | PC | 1.3 | Original | | | |
| Overlord II | PC | | Original | | | |
| Overlord | PC | 1.2 | Original | | | |
| Ost-Indskaya kompaniya: Zolotoe izdanie Ост-Индская компания: Золотое издание | PC | | Original | | | |
| Order of War: Stolknovenie Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | | |
| Order of War: Osvobozhdenie Order of War: Освобождение | PC | | Igromaniya: Vybor redakcii | | | |
| The Orange Box (Disc 2) | PC | | Original | | | |
| The Orange Box (Disc 2) | PC | | Rerelease | | | |
| The Orange Box (Disc 2) | PC | | Rerelease | | | |
| The Orange Box (Disc 1) | PC | | Original | | | |
| The Orange Box (Disc 1) | PC | | Rerelease | | | |
| The Orange Box (Disc 1) | PC | | Rerelease | | | |
| Operaciya Bagration Операция Багратион | PC | | Original | | | |
| Onimusha: Put' samuraja Onimusha: Путь самурая | PC | | Original | | | |
| Onible'jd Ониблэйд | PC | | Original | | | |
| Oficery: Special'noe izdanie Офицеры: Специальное издание | PC | 1.18.2 | Original | | | |
| Obscure II ObsCure II | PC | 1.0.0.0 | Original | | | |
| Obscure ObsCure | PS2 | 1.01 | Original | | SLES-53322 | |
| Obratnyj otschet Обратный отсчет | PC | v.1 1.06.10.22 | Original | | | |
| Oblachno, vozmozhny osadki v vide frikadelek Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 | |
| Obitel' t'my: Sumerki Обитель тьмы: Сумерки | PC | 1.1 | Original | | | |
| Obitaemyj ostrov: Zemlyanin Обитаемый остров: Землянин | PC | | Original | | | |
| Obitaemyj ostrov: Chuzhoj sredi chuzhix Обитаемый остров: Чужой среди чужих | PC | | Original | | | |
| Obitaemyj ostrov Обитаемый остров | PC | | Original | | | |
| Overlord BGamer 153 (Side A) | PC | | Covermount | | | |
| OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 | |
| 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 40 ops2m demo 40 | PS2 | 1.01 | | | SCED-52053 | |
| Overlord | PC | 1.2 | Original | | MOVL1CDPL00 (DVD), POVL1CDPL03 (Box) | |
| OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original | | SLES-53713 | |
| Opowieści z Narnii: Książe Kaspian | PC | | Covermount | | | |
| De Ontdekker en het Mysterie van de Diamanten Scarabee The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 | |
| Official PlayStation 2 Magazine Demo 73 ops2m demo 73/benelux | PS2 | 1.00 | | | SCED-54176 | |
| Official PlayStation 2 Magazine Demo 101 ops2m demo 101 eur | PS2 | 1.00 | | | SCED-55120 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 | |
| Outlaw Volleyball 아웃로 발리볼 | XBOX | | Original | | SS-003 | |
| Otostaz 오토스타츠 | PS2 | 1.01 | Original | | SCPS 56004 | |
| Otogi 오토기 | XBOX | | Original | | YB-002 | |
| Operation Flashpoint: Dragon Rising 오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 | |
| Onimusha: Warlords | PS2 | 1.00 | Original | | SLPM 67507 | |
| One Piece: Round the Land! 원피스 라운드 더 랜드! | PS2 | 1.00 | Original | | SLKA 25208 | |
| One Piece: Pirates Carnival 원피즈 해적카니발 | PS2 | 1.01 | Original | | SLKA 25351 | |
| One Piece: Grand Battle! Rush 원피스 그랜드배틀! RUSH | PS2 | 1.00 | Original | | SLKA 25299 | |
| One Piece: Grand Adventure 원피스: 그랜드 배틀 어드벤처 | PS2 | 1.00 | Original | | SLKA 25388 | |
| Ōkami 오오카미 | PS2 | 1.00 | Original | | SCKA 20095 | |
| Oh's Talk English (Disc 2) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46083 | |
| Oh's Talk English (Disc 1) 오석태의 말하는 영어 | PSP | 1.02 | Original | | ULKS 46082 | |
| Odin Sphere 오딘 스피어 | PS2 | 1.00 | Sample | | SCKA 20107 | |
| Ookami: Zekkeiban 大神 絶景版 | PS3 | 00.00 | Original, PlayStation 3 the Best, PlayStation 3 the Best (Reprint) | | BLJM 55061 … | |
| 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 … | |
| One Piece: Kaizoku Musou ワンピース 海賊無双 | PS3 | 01.02 | Original, Treasure Box | | BLAS 50450 … | |
| Oz OZ -オズ- | PS2 | 1.02 | Original, Konami the Best | | SLPM 66033 … | |
| 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 | |
| Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 | |
| Over G: Energy Airforce | XBOX360 | | Original | | TI-2001 | |
| 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 | |
| OutRun 2 アウトラン2 | XBOX | | Shokai Genteiban | | SE-054 | |
| Outlaw Volleyball アウトローバレーボール | XBOX | | World Collection | | SS-003 | |
| Outlaw Golf アウトローゴルフ | XBOX | | World Collection | | VU-016 | |
| Ousama Monogatari 王様物語 | WII | | Original | | RVL-RO3J-JPN-B0 | |
| Ousama Monogatari 王様物語 | WII | | Beta | | | |
| Ouran Koukou Host Club 桜蘭高校ホスト部 | PS2 | 1.01 | Genteiban | | SLPM 66737 | |
| Ouran Koukou Host Club 桜蘭高校ホスト部 | PS2 | 1.01 | Original | | SLPM 66738 | |
| Ouka: Kokoro Kagayakaseru Sakura 桜華 ~心輝かせる桜~ | PS2 | 1.01 | Original | | SLPM 66406 | |
| Ougon no Kizuna 黄金の絆 | WII | | Original | | RVL-RK7J-JPN | |
| Ougon Musou Kyoku X 黄金夢想曲X | XBOX360 | | Original | | AJ-2003 | |
| Ougon Musou Kyoku Cross 黄金夢想曲 CROSS | PC | 2.00 | Original | | | |
| Otona no Gal-jong 2: Koishite Bai Man! おとなのギャル雀2 恋して倍満! | PS2 | 1.01 | Original | | SLPM 66194 | |
| Otomedius Gorgeous! オトメディウス ゴージャス! | XBOX360 | | Original | | KN-2030 | |
| Otomedius Excellent! オトメディウスX(エクセレント!) | XBOX360 | | Original | | KN-2074 | |
| Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Original, Love Revo Box | | SLPM 66238 … | |
| Otome-teki Koi Kakumei: Love Revo!! 乙女的恋革命★ラブレボ!! | PS2 | 1.03 | Love Revo Box | | SLPM 66237 | |
| Otome wa Oanesama Boku ni Koi Shiteru Portable 乙女はお姉さまに恋してる Portable | PSP | 1.02 | Original | | ULJM 05647 | |
| Otome wa Boku ni Koishiteru 乙女はお姉さまに恋してる | PS2 | 1.05 | Original | | SLPM 66165 | |
| Otome no Jijou 乙女の事情 | PS2 | 1.01 | Original | | SLPM 66508 | |
| 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 | |
| Otogi O・TO・GI ~御伽~ | XBOX | | Original | | FS-002 | |
| Osouji Sentai Clean Keeper H お掃除戦隊 くりーんきーぱーはいぱーH | PS2 | 1.01 | Original | | SLPM 55220 | |
| Osouji Sentai Clean Keeper お掃除戦隊くりーんきーぱー | WII | | Original | | RVL-RC5J-JPN | |
| Oshiete! Popotan おしえて! ぽぽたん | PS2 | 1.02 | Original | | SLPM 65535 | |
| Oretachi no Sabage Portable 俺たちのサバゲー PORTABLE | PSP | 1.03 | Original | | ULJS 00170 | |
| Oretachi ni Tsubasa wa Nai 俺たちに翼はない | PS3 | 01.01 | Original | | BLJM 61018 | |
| Ore no Yome: Anata dake no Hanayome 俺の嫁 ~あなただけの花嫁~ | XBOX360 | | Original | | IF-2008 | |
| Ore no Shita de Agake 俺の下で AGAKE | PS2 | 1.01 | Original | | SLPS 25796 | |
| Ore no Shikabane o Koete Yuke 俺の屍を越えてゆけ | PSP | 1.01 | Original, Fukkatsu Kinen Genteiban | | UCJS 10116 … | |
| Ore no Imouto Maker EX: Imouto to Koishiyo Portable 俺の妹めいかあEX いもうとと恋しよっ ぽ~たぶる | PSP | 1.01 | Limited Edition | | ULJS 00357 | |
| Ore no Imouto ga Konnani Kawaii Wake ga Nai. Happy End 俺の妹がこんなに可愛いわけがない。 ハッピーエンド | PS3 | 01.01 | Original | | BLJS 10238 | |
| Ore no Imouto ga Konna ni Kawaii Wake ga Nai Portable ga Tsuzuku Wake ga Nai (Disc 2) 俺の妹がこんなに可愛いわけがない ポータブル が続くわけがない | PSP | 1.00 | Original, PSP the Best, Tokusou-ban | | ULJS 00491 … | |
| Ore no Imouto ga Konna ni Kawaii Wake ga Nai Portable ga Tsuzuku Wake ga Nai (Disc 1) 俺の妹がこんなに可愛いわけがない ポータブル が続くわけがない | PSP | 1.00 | Original, PSP the Best, Tokusou-ban | | ULJS 00490 … | |
| Ore no Imouto ga Konna ni Kawaii wake ga Nai Portable 俺の妹がこんなに可愛いわけがない ポータブル | PSP | 1.01 | Original, Limited Edition | | ULJS 00356 … | |
| Ore ga Kantoku da! Volume 2: Gekitou Pennant Race オレが監督だ!Volume.2 ~激闘ペナントレース~ | PS2 | 1.04 | Original | | SLPM 65056 | |
| Ore ga Kantoku da! Gekitou Pennant Race オレが監督だ! ~激闘ペナントレース~ | PS2 | 1.03 | Original | | SLPM 65005 | |
| Orange Pocket: Root オレンジポケット ~リュート~ | PS2 | 1.02 | Shokai Genteiban | | SLPM 65524 | |
| Orange Pocket: Root オレンジポケット ~リュート~ | PS2 | 1.02 | Original | | SLPM 65525 | |
| Orange Honey: Boku wa Kimi ni Koi shiteru オレンジ♥ハニー 僕はキミに恋してる | PS2 | 1.02 | Original, Best Collection | | SLPS 25767 … | |
| Orange Honey: Boku wa Kimi ni Koi shiteru オレンジ♥ハニー 僕はキミに恋してる | PS2 | 1.02 | Shokai Genteiban | | SLPS 25766 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| Opoona オプーナ | WII | | Original | | RVL-RPOJ-JPN | |
| Operator's Side オペレーターズ・サイド | PS2 | 1.02 | Doukonban, Doukonban: PlayStation 2 the Best | | SCPS 15038 … | |
| Operator's Side オペレーターズサイド | PS2 | 1.02 | Original | | SCPS 15039 | |
| Operation Flashpoint: Red River | PS3 | 01.02 | Original, Codemasters the Best | | BLJM 60361 … | |
| Operation Flashpoint: Red River | PC | | Kakaku Kaiteihan | | FBG028W000A10 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLJM 60152 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Operation Darkness オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 | |
| 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 | | | |
| Opera House Preview Disc #2 オペラハウス プレビューディスク #2 | PC | | Original | | | |
| Oookuki 大奥記 | PS2 | 1.02 | Original | | SLPM 66441 | |
| Ookami: Fude-hajime no Maki 大神 筆はじめノ巻 | PS2 | 1.01 | Taikenban | | SLPM 61124 | |
| Ookami Kakushi おおかみかくし | PSP | 1.04 | Original | | ULJM 05413 | |
| Ookami 大神 | PS2 | 1.03 | Original, PlayStation 2 the Best | | SLPM 66375 … | |
| Ookami 大神 | WII | | Original | | RVL-ROWJ-JPN-B0 | |
| Ooedo Senryoubako 大江戸千両箱 | PSP | 1.01 | Original | | ULJM 05099 | |
| Onore no Shinzuru Michi o Yuke 己の信ずる道を征け | PSP | 1.01 | Original | | ULJM 05465 | |
| Onmyou Taisenki: Hasha no In 陰陽大戦記 ~覇者の印~ | PS2 | 1.03 | Original | | SLPS 25501 | |
| Only You: Rebel Cross Only You リベルクルス | PS2 | 1.03 | Original, Drama CD Tsuki | | SLPS 25150 … | |
| Online Pro Wrestling オンラインプロレスリング | PS2 | 1.03 | Original | | SLPM 65586 | |
| Onimusha Buraiden 鬼武者 無頼伝 | PS2 | 1.02 | Original | | SLPM 65411 | |
| Onimusha 3 鬼武者3 | PS2 | 1.01 | Original | | SLPM 65413 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Shokai Press-ban | | SLPM 65100 | |
| Onimusha 2 鬼武者2 | PS2 | 1.04 | Original, Mega Hits! | | SLPM 65101 … | |
| Onimusha 鬼武者 | PS2 | 1.03 | Original, Mega Hits! | | SLPM 65010 … | |
| Onimusha 鬼武者 | PS2 | 1.01 | Taikenban | | SLPM 61001 | |
| Oneechanbara Z: Kagura with NoNoNo! お姉チャンバラZ~カグラ~ With NoNoNo! | PS3 | 01.03 | Original | | BLJS 10221 | |
| Oneechanbara Z: Kagura お姉チャンバラZ~カグラ~ | XBOX360 | | Original | | DP-2036 | |
| Oneechanbara VorteX: Imichi o Tsugu Mono-tachi お姉チャンバラ vorteX ~忌血を継ぐ者たち~ | XBOX360 | | Original | | DP-2002 | |
| Oneechanbara Revolution お姉チャンバラ Revolution | WII | | Original | | RVL-RONJ-JPN | |
| One Piece: Unlimited World R ワンピース アンリミテッドワールド R | PS3 | 01.01 | Original | | BLJS 10272 | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | Rev 1 | Original | | RVL-RIUJ-JPN-B0 | |
| One Piece: Unlimited Cruise: Episode 2: Mezameru Yuusha ワンピース アンリミテッドクルーズ エピソード2 目覚める勇者 | WII | | Original | | RVL-RIUJ-JPN | |
| One Piece: Unlimited Cruise: Episode 1: Nami ni Yureru Hihou ワンピース アンリミテッドクルーズ エピソード1 波に揺れる秘宝 | WII | Rev 1 | Minna no Osusume Selection | | RVL-ROUJ-JPN-B0 | |
| One Piece: Unlimited Adventure ワンピース アンリミテッドアドベンチャー | WII | | Original | | RVL-RIPJ-JPN | |