| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Ozaki Yutaka: Eyes: "Hakushi no Sanran" Yori
尾崎 豊 ｅｙｅｓ「白紙の散乱」より | PHOTO-CD | | | | CAT.908753-7 |  |
 | Oz: The Magical Adventure | PC | 7.0.0.198 | Rerelease |  | 92785 | |
| Oz: The Magical Adventure | PC | | Original | | | |
| Oz no Mahoutsukai: Another World: Rung Rung
オズの魔法使い ～Ａｎｏｔｈｅｒ Ｗｏｒｌｄ～ ルングルング | PSX | | Original |  | SLPS 02335 | |
 | Oyunlarla Dil Bilgisi Oyunlarla Matematik | PC | | Original |  | | |
| Oyungezer: Mart 2010 | PC | | | | | |
| Oyako Entertainment Series: TV Kamishibai Vol. 1
親子エンタテインメントシリーズ ～てれび紙芝居Ｖｏｌ．１～ | PSX | | Original | | SLPM 86393 | |
| Oyaji no Jikan: Nee-chan Tsuri Iku de!
おやじの時間 ね～ちゃん釣り行くで！ | PSX | | Original | | SLPS 02590 | |
| Oyaji Hunter Mahjong
おやじハンター・マージャン | 3DO | | Original, Sample | | IMP-SF0703 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
 | Oxyd Magnum! Gold Edition | PC | | Game-Pack 3 |  | 80227 | |
 | The Oxfordshire Golf Club | PC | | Original | | EAE05101006D | |
 | Oxford Handbook of Clinical Medicine for PDAs: Seventh Edition | PALM | 10.0.05/2007.9.7 | | | | |
 | Overwatch | PC | | Origins Edition |         | | |
| Overwatch | PC | | Game of the Year Edition, Legendary Edition | | 73052010US, S7302210 | |
| Overwatch | PC | | Origins Edition | | 052429 | |
 | De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 | |
| OverTop
オーバートップ | NGCD | | Original | | ADCD-011 | |
 | Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | | |
| OverBlood 2: The "East Edge" File
オーバーブラッド２ －Ｔｈｅ ＂Ｅａｓｔ Ｅｄｇｅ＂ Ｆｉｌｅ－ | PSX | | Premium Disc | | SLPM 80270 | |
| Over the Monochrome Rainbow featuring Shogo Hamada | PS2 | 1.40 | Original | | SLPM 65271 | |
| Over G: Energy Airforce | XBOX360 | | Original | | TI-2001 | |
 | Over G Fighters | XBOX360 | | Original | | TI-2001 | |
| Over Drivin' III: Hot Pursuit
オーバードライビンⅢ | PSX | | Original | | SLPS 01593 | |
| Over Drivin' III: Hot Pursuit
オーバードライビンⅢ | PSX | | Taikenban Disc | | SLPM 80298 | |
| Over Drivin' DX: Rally Edition
オーバードライビンＤＸ ラリーエディション | PSX | | Hibaihin | | SLPM 80032 | |
 | Over 350 Solitaire Games | PC | | Original | | | |
 | Over 200 Programs for Windows
STG Computers LTD Windows Extra CD-ROM | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games: Volume II (Disc 2)
Over 1000 Games Volume 2 | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games: Volume II (Disc 1)
Over 1000 Games Volume 2 | PC | | Original | | | |
 | Over 1000 Games: The Complete Encyclopedia of Games (Disc 2) | PC | | Original | | | |
| Over 1000 Games: The Complete Encyclopedia of Games (Disc 1) | PC | | Original | | | |
| Ovation | ARCH | 1.48S | | | 00139 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14040 DE | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14039 DE | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0298 Part No. X03-57509 | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0298 Part No. X03-63527 | |
| Outward | PC | | Day One Edition | | 1024669LAINT, 103699 | |
| Outtrigger | DC | 1.003 | Original | | 51102 | |
| Outtrigger
アウトトリガー | DC | 1.008 | Original | | HDR-0118 | |
| Outtrigger | DC | 1.001 | Original | | MK-51102-50 | |
| OutRun 2006: Coast 2 Coast | XBOX | | Original | | SE-136 | |
| OutRun 2006: Coast 2 Coast (Disc 2) | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast (Disc 1) | PC | | Original | | | |
| OutRun 2006: Coast 2 Coast | PSP | 1.03 | Original | | ULUS-10064 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Original | | SLUS 21274 | |
 | OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 | |
 | OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
 | OutRun 2006: Coast 2 Coast | PSP | 1.00 | Original | | ULKS 46087 | |
| OutRun 2006: Coast 2 Coast | PC | 1.00.0000 | Serie Maxima II | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.02 | Original | | SLES-53998 | |
| OutRun 2006: Coast 2 Coast | PSP | 1.01 | Original, Platinum: The Best of PSP | | ULES-00262 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | PC | | Gamer's Choice | | THQ70690 | |
| OutRun 2006: Coast 2 Coast | PC | | GSP White Label: Reload | | 1673A | |
| OutRun 2006: Coast 2 Coast | PC | | White Label | | 1673A | |
| 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 | CHIHIRO | 2.000 | Original | | GDX-0004A | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| OutRun 2
アウトラン２ | XBOX | | Shokai Genteiban | | SE-054 | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| OutRun 2 | XBOX | | Beta | | | |
| OutRun 2 | XBOX | | Demo | | SE-057 | |
| Outrage | PC | | Original | | | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| Outpost 2: Divided Destiny | PC | 1.2.0.5 | Original | | | |
| Outpost 2: Divided Destiny | PC | 1.0 | Original | | S0011246 | |
| Outpost 2: Divided Destiny | PC | | SierraOriginals | | | |
| Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | | |
| Outpost | PC | 1.5 | Rerelease, Sierra Originals | | | |
| Outpost | PC | 1.1 | Rerelease | | S725431 | |
| Outpost | PC | | Original | | S725430 | |
| Outpost | PC | 1.51 | Schweinepreise | | S390122CZ12ZZ | |
| Outpost | PC | | SierraOriginals | | S4941220Z12Z2 | |
| Outpost | PC | | Original | | S 390121012ZZZ | |
| Outpost | PC | | Original | | S390021012ZZ2 | |
| Outlive | PC | 1.01 | Original | | | |
| Outlive | PC | 1.01 | Original | | | |
| Outlaws: Die Gesetzlosen (Disc 2) | PC | 1.1.1 | Original | | | |
| Outlaws: Die Gesetzlosen (Disc 1) | PC | 1.1.1 | Original | | | |
 | 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 | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 2) | PC | 2.0 | Rerelease | | 9511831 | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Original | | 9511831 | |
| Outlaws (Disc 2) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644431 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Outlaws (Disc 1) | PC | 2.0 | Rerelease | | 9511830 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Original | | 9511830 | |
| Outlaws (Disc 1) | PC | 1.0 Build 3 | Bundle Version Diamond OEM | | 644430 | |
| Outlaws (Demonstration Program) | PC | Demo 1.0 CD Build 3 | Demo | | 644230 | |
| Outlaws (Disco 1) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Outlaws (Disco 2) | PC | 2.0 | Collezione CD-Rom by C.T.O. | | LUC628 | |
| Outlaws (Disco 1) | PC | 1.0 | LucasArts Classic | | 41175.101.IT | |
| Outlaws (Disco 2) | PC | 1.0 | LucasArts Classic | | 41175.102.IT | |
| Outlaws (Disc 2) | PC | 1.1 | Rerelease | | | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | | |
| Outlaws (Disc 1) | PC | 1.1 | Rerelease | | | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | | |
 | Outlaws (Disc 2) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 2) | PC | | Original | | | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 1) | PC | | Original | | | |
| Outlaws (Disc 2) | PC | 2.0 | LucasArts Classics | | 3000009.102.UK | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | 9511831 | |
| Outlaws (Disc 1) | PC | 2.0 | LucasArts Classics | | 3000009.101.UK | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | 9511830 | |
| Outlaw Volleyball: Red Hot | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball Remixed | PS2 | 1.02 | Original | | SLUS 21049 | |
 | Outlaw Volleyball Remixed | PS2 | 1.01 | Original | | SLES-53138 … | |
| Outlaw Volleyball | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball
아웃로 발리볼 | XBOX | | Original | | SS-003 | |
| Outlaw Volleyball
アウトローバレーボール | XBOX | | World Collection | | SS-003 | |
| Outlaw Volleyball | PS2 | 1.01 | Original | | SLES-52259 | |
| Outlaw Volleyball | XBOX | | Original | | SS-007 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLUS 21190 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Tennis | PS2 | 1.01 | Original | | SLES-53490 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Racers | PC | | Sold Out Software | | | |
| 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 2 | PS2 | 1.01 | Original | | SLES-52965 | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| Outlaw Golf | XBOX | | Original | | VU-016 | |
| Outlaw Golf | GC | | Original | | DL-DOL-GOFE-USA | |
| Outlaw Golf
アウトローゴルフ | XBOX | | World Collection | | VU-016 | |
| Outlaw Golf | PS2 | 1.01 | Original | | SLES-51926 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Outlaw Golf | GC | | Original | | DL-DOL-GOFP-EUR-01 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Outlaw Golf | PC | | Original | | RM-OUTGOLF-UK | |
| Outlast: A Reading for Information Game | PC | | Original | | HH824 | |
| The Outforce | PC | 1.0.0.0 | Original | | | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| Outer World
アウター・ワールド | 3DO | | Original | | FZ-SJ3451 | |
| Outer Ridge | PC | 1.0 | Original | | SPI004 | |
| Outdoor Wander Land
アウトドアワンダーランド | MAC | | Original | | ILL-940715 | |
| Outdoor Action Double Pack
Outdoor Action Double Pack: Remington Great American Bird Hunt and Shimano Xtreme Fishing | WII | | Original | | RVL-SFHE-USA-B0 | |
| Outcry (Disc 2)
Outcry: The Dawn | PC | Version DPV 1.0 | Original | | PCO596CD | |
| Outcry (Disc 1)
Outcry: The Dawn | PC | Version DPV 1.0 | Original | | PCO596CD | |
| Outcast (Disc 2) | PC | | Original | | 42831-9110TC | |
| Outcast (Disc 1) | PC | | Original | | 42831-9110TC | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
| Outcast (Disc 3) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A3 | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Outcast (Disc 2) | PC | | Play the Games Vol. 3 | | | |
| Outcast (Disc 1) | PC | | Play the Games Vol. 3 | | | |
| Outcast (Disc 1) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A1 | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 | |
| Outcast (Disc 2) | PC | | Original | | OUTCAPC52G/A2 | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52G/A1 | |
| Outcast | PC | | Original |  | | |
| Outburst | PC | | Classic Value Series | | Product# 99043 | |
| Outbreaker | PC | | Original | | | |
| Out of This World | 3DO | RE | 3DO Maniac Pack | | | |
| Out of This World | PC | | Valueware | | CD-ICD-142-0 | |
| Out of This World | 3DO | | Original | | | |
| Out of This World | PC | | Rerelease | | CD-MMC-023-0 | |
| Out Live: Be Eliminate Yesterday
アウトライブ Ｂｅ Ｅｌｉｍｉｎａｔｅ Ｙｅｓｔｅｒｄａｙ | PSX | | Original | | SLPS 00746 | |
| Ousama Monogatari
王様物語 | WII | | Original | | RVL-RO3J-JPN-B0 | |
| Ousama Monogatari
王様物語 | WII | | Beta | | | |
| Ousama Game (Disc 2) (Momo Disc)
王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Ousama Game (Disc 1) (Ichigo Disc)
王様げーむ | SS | 1.001 | Original | | T-21904G | |
| Les Ours Berenstain: Comme des Grands | CDI | 1.05 | | | 812 0063 | |
| 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 | |
| Our Worst Fears: Die Blumen des Todes | PC | | Original | | | |
| Our House: Party! | WII | | Original | | RVL-SHPE-USA-B0 | |
| Our House featuring The Family Circus | VIS | | Original | | 25-6146 | |
| Our Graduation: Mahjong de Pon! Hanafuda de Koi! (Disc 2) (Hanafuda de Koi!)
アワー グラデュエーション ～麻雀でポン 花札でコイ～ | PSX | | Original | | SLPS 02577 | |
| Our Graduation: Mahjong de Pon! Hanafuda de Koi! (Disc 1) (Mahjong de Pon!)
アワー グラデュエーション ～麻雀でポン 花札でコイ～ | PSX | | Original | | SLPS 02576 | |
| Oumagatoki 2
逢魔が時２ | PSX | | Original | | SLPS 03272 | |
| Oumagatoki
逢魔が時 | PSX | | Original, PSone Books | | SLPS 03235 … | |
| Oumagatoki
逢魔が時 プレミアム＂ＦＡＮ＂ディスク | PSX | | Premium Fan Disc | | SLPM 80623 | |
| Oukyuu no Hihou Tension
王宮の秘宝 テンション | PSX | | Original, VAP Best Thanks 1800 | | SLPS 00438 … | |
| Ouka Houshin: Ouka Sakishi Toki
央華封神 ～央華咲きし刻～ | DC | 1.003 | Original | | T-38704M | |
| Oujisama Lv1.5: Oujisama no Tamago
王子さまＬｖ１．５ ～王子さまのたまご～ | PSX | | Original | | SLPS 03534 | |
 | Otverzhennye: Tajna temnoj rasy (Disc 2)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| Otverzhennye: Tajna temnoj rasy (Disc 1)
Отверженные: Тайна темной расы | PC | | 1C: Igrushki | | SNOW OT21 0110 IR | |
| Otto's Ottifanten | PC | | Original | | | |
| Otto Bock: Orthopädische Industrie: Neuheiten Vol. 2: Stand Januar 1997 | CDI | | Original | | | |
| Otousan no Tame no Tsuri: Fly Fishing-hen
お父さんのための釣り フライ フィッシング編 | PC | | Original | | TFF-058-1 | |
| Otousan no Tame no Hanafuda Tenkomori
お父さんのための花札 てんこもり | PC | | Original | | THT-063 | |
| Otostaz
오토스타츠 | PS2 | 1.01 | Original | | SCPS 56004 | |
| Otostaz
オトスタツ | PS2 | 1.00 | Taikenban | | PAPX 90228 | |
| Otostaz
オトスタツ | PS2 | 1.00 | Taikenban | | PAPX 90226 | |
| Otostaz
オトスタツ | PS2 | 1.00 | Taikenban | | SCPS 11020 | |
| Otostaz
オトスタツ | PS2 | 1.00 | Original | | SCPS 11024 | |
 | Otostaz
蓋蓋樂 | PS2 | 1.00 | Original | | SCPS 55023 | |
| Otorva v shkole
Оторва в школе | PC | | Original | | | |
| Otona no Gal-jong: Kimi ni Haneman!
おとなのギャル雀 ～きみにハネ満！～ | PS2 | 1.03 | Jaleco the Best | | SLPM 62549 | |
| 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 | |
| Otona no Asobi
おとなの遊び | PSX | | Nichibutsu Collection 2000 | | SLPS 02459 | |
| 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 | |
| Otomedius Excellent | XBOX360 | | Original | | KN-2106 | |
| Otomedius (System Disc)
オトメディウス | KEA | JAA | Original | | GGGJAA01 | |
| Otomedius (Application Disc 1)
オトメディウス | KEA | JAA | Original | | GGGJAA02 | |
| Otomedius (Application Disc 2)
オトメディウス | KEA | JAA | Original | | GGGJAA03 | |
| 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 | |
| Otome Koigokoro Prister
乙女恋心プリスター体験版 | PC | | Taikenban | | | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi: Myth of Demons | XBOX | | Special Pack | | FS-002 | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi: Hyakki Toubatsu Emaki
Ｏ・ＴＯ・ＧＩ ～百鬼討伐絵巻～ | XBOX | | Special Pack | | FS-004 | |
| Otogi Story: Tenshi no Shippo
おとぎストーリー ～天使のしっぽ～ | PSX | | Original | | SLPS 03531 | |
| Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | |
| Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | |
| Otogi
오토기 | XBOX | | Original | | YB-002 | |
| Otogi
Ｏ・ＴＯ・ＧＩ ～御伽～ | XBOX | | Original | | FS-002 | |
| Oto to E no Deru Eigo Jisho No. 4: Nandemo Illust Eigo Jiten Part 2
音と絵の出る英語辞書 Ｎｏ．４ 「なんでもいらすとえいごじてん Ｐａｒｔ ２」 | FMT | | Original | | HMB-170 | |
| Oto to E no Deru Eigo Jisho No. 3: Nandemo Illust Eigo Jiten
音と絵の出る英語辞書 Ｎｏ．３ 「なんでもいらすとえいごじてん」 | FMT | | Original | | HMB-131 | |
| Oto to E no Deru Eigo Jisho No. 2: English in Dream
音と絵の出る英語辞書 Ｎｏ．２ 「Ｅｎｇｌｉｓｈ ｉｎ Ｄｒｅａｍ」 | FMT | | Original | | HMB-129 | |
| Oto to E no Deru Eigo Jisho No. 1: Start with Words
音と絵の出る英語辞書 Ｎｏ．１ 「Ｓｔａｒｔ ｗｉｔｈ Ｗｏｒｄｓ」 | FMT | | Original, Rerelease | | HMA-217 | |
| Other Life Azure Dreams
アザーライフ アザードリームス | PSX | | Original | | SLPM 86047 | |
| Othello World II: Yume to Michi e no Chousen
オセロワールドＩＩ 夢と未知への挑戦 | PSX | | Original, Fukkokuban | | SLPS 00136 … | |
| Othello CD-ROM | PC | | Original | | | |
| Othello | PC | | Original | | 99011 | |
| Othello | PC | | Original | | | |
| Othello | CDI | | Original | | 810 0163 | |
| Othelanian Wars
オセラニアン・ウォーズ | PC | | Original | | | |
| Otenki Kororin
お天気ころりん | PSX | | Original | | SLPM 87047 | |
| Otchayannye domoxozyajki (Disc 3) (Igrovoj disk)
Отчаянные домохозяйки | PC | | Original | | | |
| Otchayannye domoxozyajki (Disc 2) (Ustanovochnyj disk)
Отчаянные домохозяйки | PC | | Original | | | |
| Otchayannye domoxozyajki (Disc 1) (Ustanovochnyj disk)
Отчаянные домохозяйки | PC | | Original | | | |
| Ot zakata do rassveta
От заката до рассвета | PC | | 1C: Igroteka | | | |
| Ostrov Nanda
Остров Нанда | PC | 1.000 | Original | | | |
| Ostrov e'rotiki
Остров эротики | PC | | Original | | | |
| Ostrich Runner | PC | | Microforum | | | |
| Osterspiele-Box
Oster Spielebox | PC | | Original | | | |
 | Osterreichs Werbepreise: Vier Highlights | CDI | | Original | | | |
| Ost-Indskaya kompaniya: Zolotoe izdanie
Ост-Индская компания: Золотое издание | PC | | Original | | | |
| 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 | |
| Osobennosti nacional'nogo razvoda (Disc 2)
Особенности национального развода | PC | | Original | | | |
| Osobennosti nacional'nogo razvoda (Disc 1)
Особенности национального развода | PC | | Original | | | |
| Oshigoto-shiki Jinsei Game: Mezase Shokugyou King
お仕事式人生ゲーム めざせ職業王 | PSX | | Original, The Best Takaramono | | SLPM 87316 … | |
| Oshiete! Popotan
おしえて！ ぽぽたん | PS2 | 1.02 | Original | | SLPM 65535 | |
| Oshiete Noobow
おしえて ぬ～ぼ～ | FMT | | Original | | HMF-110 | |
| Oshidashi Zintrick ~ ZinTricK
押し出しジントリック | NGCD | | Original | | ADCD-104 | |
| OSHA MHE Forklifts
OSHA MHE Forklifts: PFS Interactive Training | CDI | | Original | | | |
| Oscar Wilde's The Selfish Giant | PC | 2.10 | Original | | MQ 13-004-144 | |
 | Oscar the Balloonist: Discovers the Farm
小小探險家奧斯卡 農場奇遇記 | PC | | Original | | | |
| Osananajimi wa Pet Yakuza!
幼なじみはペットヤクザ！体験版 | PC | | Taikenban | | | |
| Osaka Naniwa Matenrou
大阪ナニワ摩天楼 | PSX | | Original | | SLPS 02013 | |
| Osaka City
大阪 | PHOTO-CD | | Original | | | |
| Ortofrajda | PC | | | | | |
 | Oro y Gloria: La Ruta hacia El Dorado | PSX | | Original | | SLES-03187 | |
 | Oro Negro: Juego de Guerra y Estrategia | PC | | Covermount | | | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
| Oro e Gloria: La Strada per El Dorado | PSX | | Original | | SLES-03186 | |
| Orly's Draw-A-Story | PC | | Original | | | |
| Orion's Puzzle Collection | DC | 1.000 | Unlicensed | | | |
| The Orion Conspiracy | PC | 1.01 | Original | | | |
| Original Xbox Game Support: December 2005 (1.2)
Prise en charge des jeux Xbox d'origine: Décembre 2005 (1.2) | XBOX360 | | Original | | | |
| Original Xbox Game Support: August 2006 (1.5) | XBOX360 | | | | | |
| Original War (Disc 2) | PC | 1.02 | Original | | CD-W95-V006-IT2 | |
| Original War (Disc 1) | PC | 1.02 | Original | | CD-W95-V006-IT1 | |
| The Original Mulan
花木兰 | PC | | Original | | | |
| The Original Links | PC | | Solid Gold Edition | | | |
| Ori and the Blind Forest: Definitive Edition | PC | 5.3.2.9582331 | Limited Edition | | | |
| Orgaslave (Side-1)
オルガスレイブ | PC | | Original | | H PT 003-1 | |
| Orgaslave (Side-2)
オルガスレイブ | PC | | Original | | H PT 003-2 | |
| 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 | |
| Oretachi Geesen Zoku: Yie Ar Kung Fu
オレたちゲーセン族 イー・アル・カンフー | PS2 | 1.01 | Original | | SLPM 62696 | |
| Oretachi Geesen Zoku: Trio the Punch
オレたちゲーセン族 トリオ・ザ・パンチ | PS2 | 1.02 | Original | | SLPM 62745 | |
| Oretachi Geesen Zoku: Time Pilot
オレたちゲーセン族 タイムパイロット | PS2 | 1.01 | Original | | SLPM 62644 | |
| Oretachi Geesen Zoku: Thunder Cross
オレたちゲーセン族 サンダークロス | PS2 | 1.02 | Original | | SLPM 62744 | |
| Oretachi Geesen Zoku: Terra Cresta
オレたちゲーセン族 テラクレスタ | PS2 | 1.04 | Original | | SLPM 62661 | |
| Oretachi Geesen Zoku: Super Volleyball
オレたちゲーセン族 スーパーバレーボール | PS2 | 1.04 | Original | | SLPM 62660 | |
| Oretachi Geesen Zoku: Sonic Wings
オレたちゲーセン族 ～ソニックウィングス～ | PS2 | 1.01 | Original | | SLPM 62646 | |
| Oretachi Geesen Zoku: Scramble
オレたちゲーセン族 スクランブル | PS2 | 1.01 | Original | | SLPM 62626 | |
| Oretachi Geesen Zoku: Rabio Lepus
オレたちゲーセン族 ラビオ レプス | PS2 | 1.00 | Original | | SLPM 62707 | |
| Oretachi Geesen Zoku: Quarth
オレたちゲーセン族 クォース | PS2 | 1.02 | Original | | SLPM 62704 | |
| Oretachi Geesen Zoku: Pooyan
オレたちゲーセン族 プーヤン | PS2 | 1.01 | Original | | SLPM 62731 | |
| Oretachi Geesen Zoku: Nekketsu Koukou Dodgeball-bu
オレたちゲーセン族 熱血高校ドッジボール部 | PS2 | 1.00 | Original | | SLPM 62705 | |
| Oretachi Geesen Zoku: Nekketsu Kouha Kunio-kun
オレたちゲーセン族 熱血硬派くにおくん | PS2 | 1.01 | Original | | SLPM 62706 | |
| Oretachi Geesen Zoku: Moon Cresta
オレたちゲーセン族 ムーンクレスタ | PS2 | 1.01 | Original | | SLPM 62645 | |
| Oretachi Geesen Zoku: Karate-dou
オレたちゲーセン族 空手道 | PS2 | 1.01 | Original | | SLPM 62628 | |
| Oretachi Geesen Zoku: Crazy Climber
オレたちゲーセン族 クレイジー・クライマー | PS2 | 1.01 | Original | | SLPM 62627 | |
| Oretachi Geesen Zoku: Contra
オレたちゲーセン族 魂斗羅 | PS2 | 1.00 | Original | | SLPM 62730 | |
| Oretachi Geesen Zoku: Burger Time
オレたちゲーセン族 バーガータイム | PS2 | 1.00 | Original | | SLPM 62695 | |
| Oretachi Geesen Zoku: Akumajou Dracula
オレたちゲーセン族 悪魔城ドラキュラ | PS2 | 1.01 | Original | | SLPM 62729 | |
| The Oregon Trail: Classic Edition | PC | 3.0.1 | SoftKey | | POT144CE-CD | |
| The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144BE-CD | |
| The Oregon Trail: Classic Edition | PC | | SoftKey | | POT144EE-CD | |
| The Oregon Trail | PC | 3.0.1 | Slash | | CDRM1239790 | |
| The Oregon Trail | PC | 1.22 | Smart Saver | | ORT844AE-CD | |
| The Oregon Trail | PC | 1.21 | | | | |
| The Oregon Trail | PC | 1.2 | Original | | #HCD706 | |
| The Oregon Trail | PC | 1.2 | Original | | #HCD706 | |
| The Oregon Trail | PC | 1.1 | Original | | #HCD606 | |
| The Oregon Trail | PC | 1.0 | Original | | | |
| The Oregon Trail | WII | | 40th Anniversary Edition | | RVL-SORE-USA-B0 | |
| Oregon Trail II: 25th Anniversary Limited Edition | PC | 1.3 | Original, SoftKey | | #OTR744AE-CD | |
| Oregon Trail II + Logic Quest | PC | 1.2/1.0 | Original | | | |
| Oregon Trail II | PC | 1.32 | Rerelease | | #HCD744CE-CD | |
| Oregon Trail II | PC | 1.31 | Rerelease | | #HCD744AE-CD | |
| Oregon Trail II | PC | 1.31 | Rerelease | | HCD744BE-CD | |
| Oregon Trail II | PC | 1.3 | Smart Saver | | 0TT744AE-CD | |
| Oregon Trail II | PC | 1.3 | Smart Saver | | 381032-CD/i401ha | |
| Oregon Trail II | PC | 1.0 | Original | | | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.1 | Rerelease, Southwestern School Set | | 380859B-CD | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.01E | Enhanced Education Version | | 480599-CD | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859-CD | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Scholastic | | 380859-CD WP2 | |
| The Oregon Trail 5th Edition: Adventures Along the Oregon Trail | PC | 1.0 | Original | | 380859A-CD | |
| The Oregon Trail 4th Edition (Disc 3) | PC | 1.1 | Rerelease | | OTF744BE-CD3 | |
| The Oregon Trail 4th Edition (Disc 3) | PC | 1 | Original | | OTF744AE-CD3 | |
| The Oregon Trail 4th Edition (Disc 2) | PC | 1.1 | Rerelease | | OTF744BE-CD2 | |
| 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 1) | PC | 1.1 | Rerelease | | OTF744BE-CD1 | |
| The Oregon Trail 4th Edition (Disc 1) | PC | 1 | Original | | OTF744AE-CD1 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | 1.3 | The Learning Company | | OAE744BE-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 | | Original | | OTA744AE-CD3 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 3) | PC | | Original | | OTA744AE-CD3 | |
| 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 2) | PC | 1.2 | Original | | OTA744BE-CD2 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures (Disc 2) | PC | | Original | | OTA744AE-CD2 | |
| 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 1) | PC | 1.2a | Bundle Version Compaq Presario OEM | | | |
| 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 | 1.0 | Original | | OTA744AE-CD1 | |
| The Oregon Trail 3rd Edition: Pioneer Adventures | PC | 1.0 | DVD-ROM | | ORG811AE-DVD | |
| Ore! Tomba
オレっ！トンバ | PSX | | Taikenban | | SLPM 80165 | |
| Ore! Tomba
オレっ！トンバ | PSX | | Original | | SLPS 01144 | |
| 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 | |
| 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
俺の下であがけ | PC | System3.9 Ver.5.43 | Original | | ALB-005 | |
| 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 Shikabane o Koete Yuke
俺の屍を越えてゆけ | PSX | | Original, PlayStation the Best, PSone Books, PSone Books (Silver Disc) | | SCPS 10074 … | |
| Ore no Shikabane o Koete Yuke
俺の屍を越えてゆけ | PSX | | Tentou-you Movie Disc | | PCPX 96160 | |
| 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 | |
| Order of War: Stolknovenie
Order of War: Столкновение | PC | | Igromaniya: Vybor redakcii | | | |
| Orda: Severnyj veter
Орда: Северный ветер | PC | | Original | | | |
| Orbatak | 3DO | | Arcade CD-ROM | | | |
| 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 Pocket: Cornet
オレンジポケット －コルネット－ | DC | 1.004 | Original, Shokai Genteiban | | T-18707M, T-18708M | |
| 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 (Disc 2) | PC | | Original, EA Classics |  | VAE07705811D2/ENG, VAE07707118D2/ENG, VAX07705811D2, VAX07705811D2/AUS | |
| The Orange Box
오렌지 박스 | XBOX360 | | Original | | EA-2063 | |
| The Orange Box (Disc 1) | PC | | Original, EA Classics | | 985207, VAE07705811D, VAE07705811D/ENG, VAE07707118D/ENG, VAX07705811D/AUS | |
| The Orange Box (Disc 2) | PC | | Original | | 985217 | |
| The Orange Box | PS3 | 01.00 | Original | | BLUS-30055 | |
| 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 | |
| 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 | | | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| The Orange Box (Disc 2) | PC | | Original | | VAI07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAI07705811D | |
| The Orange Box (Disc 2) | PC | | Original | | VAD07705811D2 | |
| The Orange Box (Disc 1) | PC | | Original | | VAD07705811D | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00171 | |
| The Orange Box | XBOX360 | | Original | | EA-2063 | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00172 | |
| The Orange Box (Disc 1) | PC | | Original | | VAX07705811D | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00153 | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 | SS | 1.004 | Original | | T-1511G | |
| Oracle no Houseki: Jewels of the Oracle
オラクルの宝石 Ｊｅｗｅｌｓ ｏｆ ｔｈｅ Ｏｒａｃｌｅ | PSX | | Original | | SLPS 00240 | |
| Option: Tuning Car Battle Spec R
オプション チューニングカーバトル スペックR | PSX | | Original | | SLPS 02587 | |
| Option: Tuning Car Battle 2
オプション チューニングカーバトル2 | PSX | | Original | | SLPS 01857 | |
| 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 | |
| Option: Tuning Car Battle
オプション チューニングカーバトル | PSX | | Original | | SLPS 01207 | |
| 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 | |
| Optimum Resource Sampler | PC | | Rerelease | | | |
| Optimum Resource Sampler | PC | | Original | | | |
| OptImage Media Showcase | CDI | 1.0 | Original | | | |
| OptImage CD-I Starter System: Sampler Disc: Version 1.1 | CDI | | | | | |
| OptImage CD-I 220 Adjustment Disc | CDI | | Original | | | |
| OPSM Best Racing Game Ever | PSX | | | | SCED-02492 | |
| OPSM Best PS One Games Ever
Official Australian PlayStation Magazine Demo 44 | PSX | | | | SCED-03239 | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
| 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 | | | |
| Opowieści z Narnii: Lew, Czarownica i Stara Szafa | PS2 | 1.00 | Original | | SLES-53713 | |
| 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 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition, Game of the Year Edition (BestSeller Series), Game of the Year Edition (Covermount) | | JCPL11, S0026179, S0026696 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | | |
| 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 | |
| The Operative: No One Lives Forever (Disc 1) (Game Disc) | MAC | 1.004 | MacPlay | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | | |
| 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 | PS2 | 1.50 | Original | | SLUS 20028 | |
| The Operative: No One Lives Forever (Disc 2)
ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original | | | |
| The Operative: No One Lives Forever (Disc 1)
ノーワンリブスフォーエバー | PC | 1.004, 1.004J | Original | | | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0.0.4 | Game of the Year Edition (Covermount) | | | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition | | S0025037 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition | | S0025036 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | JCPL11, S0026695 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition (Xplosiv) | | EI-1685-2 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.004 | Game of the Year Edition (Xplosiv) | | EI-1685-1 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| The Operative: No One Lives Forever | PS2 | 1.00 | Original | | SLES-50592 | |
| The Operational Art of War: Century of Warfare | PC | | Original | | | |
| The Operational Art of War II: 1956-2000
The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
| The Operational Art of War II | PC | 1.01.02 | Xplosiv | | EI-1259-3 | |
| Operation: Surgery Has Never Been so Silly! | PC | | Sold Out Software | | | |
| Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A | |
| Operation Wolf
オペレーション・ウルフ | FMT | 1.00 | Ving Vol. 3 | | HMB-126 | |
| Operation WinBack 2: Project Poseidon | PS2 | 1.00 | Original | | SLES-54116 … | |
| Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 | |
| Operation WinBack | PS2 | 1.10 | Original | | SLES-50155 | |
| Operation Thunderstorm | PC | 1.0 | Original | | | |
| Operation Omega | PC | | Original | | 7-20286-92175-1 | |
| Operation Neptune + Reader Rabbit 2 Deluxe! + Ultimate Writing & Creativity Center
The Learning Company 3-in-1 | PC | | | | | |
| Operation Neptune | PC | 1.23 | The ClueFinders: Math Ages 9-12 | | ONT744EE-CD | |
| Operation Neptune | PC | 1.22 | Original | | ONT744CE-CD | |
 | Operation Neptun | PC | 1.2 | Original | | ONT844AW-CD | |
| Operation Mittelmeer | PC | | Original | | | |
| Operation Flashpoint: Soprotivlenie
Operation Flashpoint: Сопротивление | PC | 1.85 | | | | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDUS00 | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDEU00 | |
| Operation Flashpoint: Red River | XBOX360 | | Original | | CM-2104 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLUS-30704 | |
| Operation Flashpoint: Red River | PC | | Original | | MOFP3CDUS00 | |
| 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: Red River | PC | 1.0 | Original | | MOFP3CDEU00 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLES-01171 | |
| Operation Flashpoint: Holodnaja vojna
Операция Flashpoint: Холодная война | PC | 1.46 | Original | | | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original, Gold Edition | | MOFUCDEU00, MOFUCDUS00 | |
| Operation Flashpoint: Gold Upgrade | PC | 1.30 | Original | | MOFUCDUS00 | |
 | Operation Flashpoint: Gold Upgrade
Operace Flashpoint: Gold Upgrade | PC | | Original |  | | |
| Operation Flashpoint: Elite | XBOX | | Original | | CM-090 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLUS-30316 | |
| Operation Flashpoint: Dragon Rising
오퍼레이션 플래시포인트: 드래곤 라이징 | PS3 | 01.01 | Original | | BLKS 20157 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original | | BLJM 60152 | |
| Operation Flashpoint: Dragon Rising | XBOX360 | | Original | | CM-2065 | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Operation Flashpoint: Dragon Rising | PC | 1.0 | Original | | MOFP2CDEU00 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original, Promo | | BLES-00597 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDUS00 | |
| Operation Flashpoint: Cold War Crisis | PC | | Playable Demo | | POPFCDUS40 | |
| Operation Flashpoint: Cold War Crisis | PC | | The Games Collection | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.46 | Sold Out Software | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original | | MOPFCDEU00 | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| Operation Europe: Path to Victory 1939-45 | PC | | Original | | | |
| Operation Darkness | XBOX360 | | Original | | AT-2002 | |
| Operation Darkness
オペレーション・ダークネス | XBOX360 | | Original | | SU-2001 | |
| Operation Body Count: One Level Preview | PC | | Original | | | |
| Operation Body Count | PC | | Original | | | |
| Operation Barbarossa: The Struggle for Russia | PC | | Original | | | |
| Operation Air Assault 2 | PS2 | 1.01 | Original | | SLES-54804 | |
| Operation Air Assault | PS2 | 1.01 | Original | | SLES-52572 | |
| Operation | PC | | General Mills | | AM801R5 | |
| Operation | PC | | General Mills | | AM0703R71 | |
| Operation | PC | | General Mills | | | |
| Operaciya Silent Storm: Chasovye (Disc 2)
Операция Silent Storm: Часовые | PC | | 1С: Igroteka | | | |
| Operaciya Silent Storm: Chasovye (Disc 1)
Операция Silent Storm: Часовые | PC | | 1С: Igroteka | | | |
| Operaciya Silent Storm (Disc 2)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Operaciya Silent Storm (Disc 1)
Операция Silent Storm | PC | Aug 11 2003 | 1C: Igroteka | | | |
| Operaciya Bagration
Операция Багратион | PC | | Original | | | |
| Operaciya "Plastilin" (Disc 2)
Операция "Пластилин" | PC | | Original | | | |
