Region | Title | System | Version | Edition | Languages | Serial | Status |
| Obratnyj otschet Обратный отсчет | PC | v.1 1.06.10.22 | Original | | | |
| Onechanbara: Bikini Zombie Slayers | WII | Rev 1 | Original | | RVL-RONP-EUR | |
| 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 | | | |
| Obitel' T'my Обитель Тьмы | PC | 5.02 04/07/03 | Original | | | |
| Official PlayStation 2 Magazine Demo 98 | PS2 | 2.01 | | | SCED-55117 … | |
| Olympic Soccer | SS | 2.000 | Original | | T-7904H-09, T-7904H-50 | |
| Official PlayStation 2 Magazine Demo 70 | PS2 | 2.00 | | | SCED-54024 | |
| Outlaws (Disc 2) | PC | 2.0 | Collection LucasArts | | | |
| Outlaws (Disc 1) | PC | 2.0 | Collection LucasArts | | | |
| Oddworld: Abe's Oddysee | PC | 2.0 | Covermount | | IB2G-ODDI5 | |
| Oddworld: Abe's Exoddus (Play Disc) | PC | 2.0 | Budget, Covermount | | MMICDR 5280 | |
| Oxford Handbook of Clinical Medicine for PDAs: Seventh Edition | PALM | 10.0.05/2007.9.7 | | | | |
| Operation Flashpoint: Soprotivlenie Operation Flashpoint: Сопротивление | PC | 1.85 | | | | |
| Odysseia ΟΔΥΣΣΕΙΑ | PC | 1.8 | Original | | | |
| Operation Flashpoint: Resistance | PC | 1.75 | Original | | MOFRCDEU00 | |
| Outpost | PC | 1.51 | Schweinepreise | | S390122CZ12ZZ | |
| Ovation | ARCH | 1.48S | | | 00139 | |
| Operation Flashpoint: Holodnaja vojna Операция Flashpoint: Холодная война | PC | 1.46 | Original | | | |
| Overlord: Raising Hell | PC | 1.3 | Original | | | |
| Official PlayStation 2 Magazine Demo 8 | PS2 | 1.20 | | | SCED-50381 | |
| Overlord | PC | 1.2 | Original | | | |
| On-Robot Он-Робот | PC | 1.14SB | 1C: Igrushki | | | |
| Official PlayStation 2 Magazine Germany Special Edition 1 ops2m germany special edition 1 | PS2 | 1.10 | | | SCED-50780 | |
| Official PlayStation 2 Magazine Demo 24 | PS2 | 1.10 | | | SCED-51185 | |
| Official PlayStation 2 Magazine Demo 23 | PS2 | 1.10 | | | SCED-51163 | |
| Official PlayStation 2 Magazine Demo 22 | PS2 | 1.10 | | | SCED-50701 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.10 | | | SCED-50945 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.10 | | | SCED-50146 | |
| Overclocked: Una Storia di Violenza | PC | 1.1 | Original | | | |
| ObsCure | PC | 1.1 | Covermount | | | |
| Obitel' t'my: Sumerki Обитель тьмы: Сумерки | PC | 1.1 | Original | | | |
| OMSI: Der Omnibussimulator | PC | 1.04 | OMSI Bundle | | | |
| Official Demo Disc 1: Retail Edition November 01 | PS2 | 1.04 | Kiosk Demo | | SCED-50615 | |
| Official PlayStation 2 Magazine Demo 56 ops2m demo 56 | PS2 | 1.03 | | | SCED-53176 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.03 | | | SCED-52165 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.03 | | | SCED-51560 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.03 | | | SCED-51566 | |
| O.R.B.: Orbital'nye Resursnye Bazy О.Р.Б.: Орбитальные Ресурсные Базы | PC | 1.03 | 1C: Kollekciya igrushek | | | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.02 | Original | | SLES-53998 | |
| Original War (Disc 2) | PC | 1.02 | Covermount | | | |
| Original War (Disc 2) | PC | 1.02 | Original | | CD-W95-V006-IT2 | |
| Original War (Disc 1) | PC | 1.02 | Covermount | | | |
| Original War (Disc 1) | PC | 1.02 | Original | | CD-W95-V006-IT1 | |
| Onimusha: Warlords | PS2 | 1.02 | Original, Platinum | | SLES-50247 … | |
| Das Offizielle PlayStation 2 Magazin 09/2004 OPS2M Uncut Edition 09/04 | PS2 | 1.02 | | | SCED-52089 … | |
| 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 Germany Special Edition 2007-1 | PS2 | 1.02 | | | SCED-54693 | |
| Official PlayStation 2 Magazine Demo 88 | PS2 | 1.02 | | | SCED-54413 … | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.02 | | | SCED-54043 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.02 | | | SCED-53206 | |
| Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53160 | |
| Official PlayStation 2 Magazine Demo 57 | PS2 | 1.02 | | | SCED-53159 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.02 | | | SCED-52090 | |
| Official PlayStation 2 Magazine Demo 45 ops2m demo 45 | PS2 | 1.02 | | | SCED-52452 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.02 | | | SCED-52442 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.02 | | | SCED-52270 | |
| Official PlayStation 2 Magazine Demo 37 | PS2 | 1.02 | | | SCED-51572 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.02 | | | SCED-51570 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.02 | | | SCED-51567 | |
| Official PlayStation 2 Magazine Demo 31 | PS2 | 1.02 | | | SCED-51556 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.02 | | | SCED-50749 | |
| Official Demo Disc Retail Edition February 02 official demo disc retail edition february 02 | PS2 | 1.02 | | | SCED-50732 | |
| The Operational Art of War II | PC | 1.01.02 | Xplosiv | | EI-1259-3 | |
| OutRun 2006: Coast 2 Coast | PS2 | 1.01 | Review | | SLES-53998 | |
| Outlive | PC | 1.01 | Original | | | |
| Outlaw Volleyball | PS2 | 1.01 | Original | | SLES-52259 | |
| Open Season | PS2 | 1.01 | Original | | SLES-54316 | |
| Open Season | PS2 | 1.01 | Review | | | |
| Onimusha: Blade Warriors | PS2 | 1.01 | Original | | SLES-51913 | |
| Das Offizielle PlayStation 2 Magazin 02/2004: Uncut Edition ops2m uncut edition 02/2004 | PS2 | 1.01 | | | SCED-52082 | |
| Official PlayStation 2 Magazine-UK: Crime Special ops2m crime special | PS2 | 1.01 | | | SCED-51444 | |
| 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 16: Buyers Guide ops2m special edition 16 | PS2 | 1.01 | | | SCED-51545 | |
| Official PlayStation 2 Magazine-UK Special Edition 12: PlayStation 2 Blockbusters! ops2m special edition 12 | PS2 | 1.01 | | | SCED-51541 | |
| Official PlayStation 2 Magazine Demo 97 | PS2 | 1.01 | | | SCED-55116 | |
| Official PlayStation 2 Magazine Demo 94 | PS2 | 1.01 | | | SCED-55113 | |
| Official PlayStation 2 Magazine Demo 93 | PS2 | 1.01 | | | SCED-54418 | |
| Official PlayStation 2 Magazine Demo 89 | PS2 | 1.01 | | | SCED-54414 … | |
| Official PlayStation 2 Magazine Demo 82 ops2m germany 02-2007 | PS2 | 1.01 | | | SCED-54642 | |
| Official PlayStation 2 Magazine Demo 76 | PS2 | 1.01 | | | SCED-54055 | |
| Official PlayStation 2 Magazine Demo 74 | PS2 | 1.01 | | | SCED-54053 | |
| Official PlayStation 2 Magazine Demo 74 ops2m demo 74/spa | PS2 | 1.01 | | | SCED-54202 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54070 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.01 | | | SCED-54050 | |
| Official PlayStation 2 Magazine Demo 70 | PS2 | 1.01 | | | SCED-54037 | |
| Official PlayStation 2 Magazine Demo 69 & 70 ops2m demo 69 & 70 | PS2 | 1.01 | | | SCED-54036 | |
| Official PlayStation 2 Magazine Demo 69 | PS2 | 1.01 | | | SCED-53978 | |
| Official PlayStation 2 Magazine Demo 65 | PS2 | 1.01 | | | SCED-53168 | |
| Official PlayStation 2 Magazine Demo 64 | PS2 | 1.01 | | | SCED-53212 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.01 | | | SCED-53209 | |
| Official PlayStation 2 Magazine Demo 59 | PS2 | 1.01 | | | SCED-53207 | |
| Official PlayStation 2 Magazine Demo 58 | PS2 | 1.01 | | | SCED-53325 | |
| Official PlayStation 2 Magazine Demo 56 | PS2 | 1.01 | | | SCED-53122 | |
| Official PlayStation 2 Magazine Demo 56 ops2m demo 56 | PS2 | 1.01 | | | SCED-53132 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.01 | | | SCED-53068 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.01 | | | SCED-52169 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.01 | | | SCED-52168 | |
| Official PlayStation 2 Magazine Demo 52 | PS2 | 1.01 | | | SCED-52092 | |
| Official PlayStation 2 Magazine Demo 51 Das Offizielle PlayStation 2 Magazin 11/2004: Uncut Edition | PS2 | 1.01 | | | SCED-52091 | |
| Official PlayStation 2 Magazine Demo 50 | PS2 | 1.01 | | | SCED-52796 | |
| Official PlayStation 2 Magazine Demo 49 | PS2 | 1.01 | | | SCED-52076 … | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52088 | |
| Official PlayStation 2 Magazine Demo 48 | PS2 | 1.01 | | | SCED-52163 | |
| Official PlayStation 2 Magazine Demo 47 | PS2 | 1.01 | | | SCED-52087 | |
| Official PlayStation 2 Magazine Demo 45 | PS2 | 1.01 | | | SCED-52085 | |
| Official PlayStation 2 Magazine Demo 44 ops2m demo 44 | PS2 | 1.01 | | | SCED-52377 | |
| Official PlayStation 2 Magazine Demo 42 ops2m demo 42 | PS2 | 1.01 | | | SCED-52271 | |
| Official PlayStation 2 Magazine Demo 42 | PS2 | 1.01 | | | SCED-52069 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-52054 | |
| Official PlayStation 2 Magazine Demo 40 ops2m demo 40 | PS2 | 1.01 | | | SCED-52053 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.01 | | | SCED-51565 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.01 | | | SCED-51935 | |
| Official PlayStation 2 Magazine Demo 36 | PS2 | 1.01 | | | SCED-51571 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51760 | |
| Official PlayStation 2 Magazine Demo 34 | PS2 | 1.01 | | | SCED-51569 | |
| Official PlayStation 2 Magazine Demo 33 | PS2 | 1.01 | | | SCED-51568 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51483 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51457 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.01 | | | SCED-51485 … | |
| ObsCure II | PS2 | 1.01 | Original | | SLES-54782 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.004 | Game of the Year Edition | | S0025037 | |
| 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 1) | PC | 1.004 | Game of the Year Edition (BestSeller Series) | | S0026178 | |
| Outtrigger | DC | 1.001 | Original | | MK-51102-50 | |
| Ostrov Nanda Остров Нанда | PC | 1.000 | Original | | | |
| Orion's Puzzle Collection | DC | 1.000 | Unlicensed | | | |
| Off-World Interceptor Extreme | SS | 1.000 | Original | | T-15908H-50 | |
| OutRun 2006: Coast 2 Coast | PC | 1.00.0000 | Serie Maxima II | | SEGA-PC029 | |
| Orphen: Scion of Sorcery | PS2 | 1.00 | Original | | SLES-50062 | |
| Open Season (Disc 1) | PC | 1.00 | Original | | | |
| Open Season (Disc 1) | PC | 1.00 | Original | | 5004904-CD 1 | |
| Open Season | PS2 | 1.00 | Original | | SLES-54310 | |
| Onimusha 2: Samurai's Destiny | PS2 | 1.00 | Original | | SLES-50978 | |
| Onimusha 2: Samurai's Destiny 鬼武者2 PAL | PS2 | 1.00 | Beta | | SLES-50978 | |
| Ōkami | PS2 | 1.00 | Original | | SLES-54439 … | |
| Das Offizielle PlayStation 2 Magazin: Special Edition 2 german special edition demo 2 | PS2 | 1.00 | | | SCED-51161 | |
| Das Offizielle PlayStation 2 Magazin 13/2003: Uncut Edition ops2m uncut edition 13/03 | PS2 | 1.00 | | | SCED-51937 | |
| Das Offizielle PlayStation 2 Magazin 12/2003 ops2m demo uncut edition 12/2003 | PS2 | 1.00 | | | SCED-51936 | |
| Official PlayStation 2 Magazine: German Kids Special OPS2 Ger Kids Special/DEM/GER | PS2 | 1.00 | | | SCED-53611 | |
| 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 15: Summer Blockbusters! ops2m special edition 15 | PS2 | 1.00 | | | SCED-51544 | |
| 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 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 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 Spécial Noël 2004 | PS2 | 1.00 | | | SCED-52996 | |
| Official PlayStation 2 Magazine Germany Special Edition 2003/03 | PS2 | 1.00 | | | SCED-51551 | |
| Official PlayStation 2 Magazine Germany Special 3/2005 ops2 ger special 3/2005 | PS2 | 1.00 | | | SCED-53938 | |
| Official PlayStation 2 Magazine Germany Special 2/2005 | PS2 | 1.00 | | | SCED-53662 | |
| Official PlayStation 2 Magazine French Christmas Special Demo ops2m french christmas special demo | PS2 | 1.00 | | | SCED-53854 | |
| Official PlayStation 2 Magazine Demo 99 | PS2 | 1.00 | | | SCED-55118 | |
| Official PlayStation 2 Magazine Demo 96 | PS2 | 1.00 | | | SCED-55115 … | |
| Official PlayStation 2 Magazine Demo 95 ops2m demo 95 eur | PS2 | 1.00 | | | SCED-55114 | |
| Official PlayStation 2 Magazine Demo 92 | PS2 | 1.00 | | | SCED-54417 | |
| Official PlayStation 2 Magazine Demo 91 | PS2 | 1.00 | | | SCED-54416 | |
| Official PlayStation 2 Magazine Demo 90 | PS2 | 1.00 | | | SCED-54415 | |
| Official PlayStation 2 Magazine Demo 9 | PS2 | 1.00 | | | SCED-50144 | |
| Official PlayStation 2 Magazine Demo 85 | PS2 | 1.00 | | | SCED-54410 | |
| Official PlayStation 2 Magazine Demo 84 | PS2 | 1.00 | | | SCED-54758 | |
| Official PlayStation 2 Magazine Demo 83 | PS2 | 1.00 | | | SCED-54408 … | |
| Official PlayStation 2 Magazine Demo 82 | PS2 | 1.00 | | | SCED-54407 | |
| Official PlayStation 2 Magazine Demo 81 ops2m demo 81 spa/por | PS2 | 1.00 | | | SCED-54603 | |
| Official PlayStation 2 Magazine Demo 81 | PS2 | 1.00 | | | SCED-54605 | |
| Official PlayStation 2 Magazine Demo 80 ops2m demo 80 spa/por | PS2 | 1.00 | | | SCED-54567 | |
| Official PlayStation 2 Magazine Demo 80 | PS2 | 1.00 | | | SCED-54059 | |
| Official PlayStation 2 Magazine Demo 8 | PS2 | 1.00 | | | SCED-50143 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54058 | |
| Official PlayStation 2 Magazine Demo 79 | PS2 | 1.00 | | | SCED-54481 | |
| Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54057 | |
| Official PlayStation 2 Magazine Demo 78 | PS2 | 1.00 | | | SCED-54480 | |
| Official PlayStation 2 Magazine Demo 75 | PS2 | 1.00 | | | SCED-54054 | |
| Official PlayStation 2 Magazine Demo 73 ops2m demo 73/benelux | PS2 | 1.00 | | | SCED-54176 | |
| Official PlayStation 2 Magazine Demo 73 | PS2 | 1.00 | | | SCED-54052 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54051 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54144 | |
| Official PlayStation 2 Magazine Demo 72 | PS2 | 1.00 | | | SCED-54044 | |
| Official PlayStation 2 Magazine Demo 71 | PS2 | 1.00 | | | SCED-54099 | |
| Official PlayStation 2 Magazine Demo 7 | PS2 | 1.00 | | | SCED-50142 | |
| Official PlayStation 2 Magazine Demo 69 | PS2 | 1.00 | | | SCED-53217 | |
| Official PlayStation 2 Magazine Demo 68 | PS2 | 1.00 | | | SCED-53216 | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53932 | |
| Official PlayStation 2 Magazine Demo 67 | PS2 | 1.00 | | | SCED-53215 | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53916 | |
| Official PlayStation 2 Magazine Demo 67 ops2m demo 67 | PS2 | 1.00 | | | SCED-53939 | |
| Official PlayStation 2 Magazine Demo 66 | PS2 | 1.00 | | | SCED-53214 | |
| Official PlayStation 2 Magazine Demo 65 | PS2 | 1.00 | | | SCED-53213 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53211 | |
| Official PlayStation 2 Magazine Demo 63 | PS2 | 1.00 | | | SCED-53293 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53210 | |
| Official PlayStation 2 Magazine Demo 62 | PS2 | 1.00 | | | SCED-53292 | |
| Official PlayStation 2 Magazine Demo 61 | PS2 | 1.00 | | | SCED-53291 | |
| Official PlayStation 2 Magazine Demo 60 | PS2 | 1.00 | | | SCED-53208 | |
| Official PlayStation 2 Magazine Demo 6 | PS2 | 1.00 | | | SCED-50141 | |
| Official PlayStation 2 Magazine Demo 58 ops2m demo 58: spa/por | PS2 | 1.00 | | | SCED-53348 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.00 | | | SCED-52120 | |
| Official PlayStation 2 Magazine Demo 55 | PS2 | 1.00 | | | SCED-53123 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53067 | |
| Official PlayStation 2 Magazine Demo 54 | PS2 | 1.00 | | | SCED-53056 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.00 | | | SCED-52080 | |
| Official PlayStation 2 Magazine Demo 53 | PS2 | 1.00 | | | SCED-52990 | |
| Official PlayStation 2 Magazine Demo 51 | PS2 | 1.00 | | | SCED-52166 | |
| Official PlayStation 2 Magazine Demo 5 | PS2 | 1.00 | | | SCED-50140 | |
| Official PlayStation 2 Magazine Demo 49 ops2m demo 49 | PS2 | 1.00 | | | SCED-52728 | |
| Official PlayStation 2 Magazine Demo 47 ops2m demo 47 | PS2 | 1.00 | | | SCED-52549 | |
| Official PlayStation 2 Magazine Demo 43 ops2m uncut edition 03/04 | PS2 | 1.00 | | | SCED-52083 | |
| Official PlayStation 2 Magazine Demo 43 | PS2 | 1.00 | | | SCED-52354 … | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52158 | |
| Official PlayStation 2 Magazine Demo 41 ops2m demo 41 | PS2 | 1.00 | | | SCED-52177 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52068 | |
| Official PlayStation 2 Magazine Demo 41 | PS2 | 1.00 | | | SCED-52081 | |
| Official PlayStation 2 Magazine Demo 40 | PS2 | 1.00 | | | SCED-51575 | |
| Official PlayStation 2 Magazine Demo 39 | PS2 | 1.00 | | | SCED-52037 | |
| Official PlayStation 2 Magazine Demo 38 | PS2 | 1.00 | | | SCED-51573 | |
| Official PlayStation 2 Magazine Demo 37 PlayStation 2 Magazine CD 37 Septembre 2003 | PS2 | 1.00 | | | SCED-51563 | |
| Official PlayStation 2 Magazine Demo 35 | PS2 | 1.00 | | | SCED-51561 | |
| Official PlayStation 2 Magazine Demo 32 | PS2 | 1.00 | | | SCED-51656 | |
| Official PlayStation 2 Magazine Demo 32 ops2m demo 32 | PS2 | 1.00 | | | SCED-51558 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51552 | |
| Official PlayStation 2 Magazine Demo 30 | PS2 | 1.00 | | | SCED-51489 | |
| Official PlayStation 2 Magazine Demo 3 | PS2 | 1.00 | | | SCED-50067 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51432 | |
| Official PlayStation 2 Magazine Demo 29 | PS2 | 1.00 | | | SCED-51440 | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-51376 | |
| Official PlayStation 2 Magazine Demo 28 | PS2 | 1.00 | | | SCED-50750 | |
| Official PlayStation 2 Magazine Demo 27 | PS2 | 1.00 | | | SCED-51319 | |
| Official PlayStation 2 Magazine Demo 27 ops2m demo 27 | PS2 | 1.00 | | | SCED-51359 | |
| Official PlayStation 2 Magazine Demo 26 | PS2 | 1.00 | | | SCED-51321 | |
| Official PlayStation 2 Magazine Demo 25 | PS2 | 1.00 | | | SCED-51262 | |
| Official PlayStation 2 Magazine Demo 24 ops2m demo 24 | PS2 | 1.00 | | | SCED-51147 | |
| Official PlayStation 2 Magazine Demo 22/23 ops2m demo 22/23 | PS2 | 1.00 | | | SCED-51016 | |
| Official PlayStation 2 Magazine Demo 21 | PS2 | 1.00 | | | SCED-50700 | |
| Official PlayStation 2 Magazine Demo 21 ops2m demo 21: euro version | PS2 | 1.00 | | | SCED-50989 | |
| Official PlayStation 2 Magazine Demo 20 | PS2 | 1.00 | | | SCED-50699 | |
| Official PlayStation 2 Magazine Demo 19 | PS2 | 1.00 | | | SCED-50154 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50698 | |
| Official PlayStation 2 Magazine Demo 18 | PS2 | 1.00 | | | SCED-50825 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50697 | |
| Official PlayStation 2 Magazine Demo 17 | PS2 | 1.00 | | | SCED-50152 | |
| Official PlayStation 2 Magazine Demo 16 | PS2 | 1.00 | | | SCED-50736 | |
| Official PlayStation 2 Magazine Demo 16 OPS2M DEMO 16/FRE | PS2 | 1.00 | | | SCED-50675 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50708 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50685 | |
| Official PlayStation 2 Magazine Demo 15 | PS2 | 1.00 | | | SCED-50150 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50622 | |
| Official PlayStation 2 Magazine Demo 14 | PS2 | 1.00 | | | SCED-50149 | |
| Official PlayStation 2 Magazine Demo 13 ops2m demo 13 | PS2 | 1.00 | | | SCED-50594 | |
| Official PlayStation 2 Magazine Demo 13 ops2m demo 13 | PS2 | 1.00 | | | SCED-50593 | |
| Official PlayStation 2 Magazine Demo 12 | PS2 | 1.00 | | | SCED-50506 | |
| Official PlayStation 2 Magazine Demo 12 ops2m demo 12 | PS2 | 1.00 | | | SCED-50543 | |
| Official PlayStation 2 Magazine Demo 11 | PS2 | 1.00 | | | SCED-50460 | |
| Official PlayStation 2 Magazine Demo 11 ops2m demo 11 | PS2 | 1.00 | | | SCED-50463 | |
| Official PlayStation 2 Magazine Demo 101 ops2m demo 101 eur | PS2 | 1.00 | | | SCED-55120 | |
| Official PlayStation 2 Magazine Demo 100 | PS2 | 1.00 | | | SCED-55119 | |
| Official PlayStation 2 Magazine Demo 10 ops2m demo 10 | PS2 | 1.00 | | | SCED-50404 | |
| Off-Road: Wide Open Test Drive Off-Road: Wide Open | PS2 | 1.00 | Original | | SLES-50232 | |
| Odin Sphere | PS2 | 1.00 | Original | | SLES-55110 | |
| ObsCure | PS2 | 1.00 | Original | | SLES-52738 | |
| Oblachno, vozmozhny osadki v vide frikadelek Облачно, возможны осадки в виде фрикаделек | PSP | 1.00 | Original | | ULES-01361 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0.0.4 | Game of the Year Edition (Covermount) | | | |
| The Outforce | PC | 1.0.0.0 | Original | | | |
| ObsCure II | PC | 1.0.0.0 | Original | | | |
| Ovech'i bega Овечьи бега | PC | 1.0 | Original | | | |
| Outwars (Disc 2) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14040 DE | |
| Outwars (Disc 1) | PC | 1.0 | Original | | 0398 Artikelnr. X00-14039 DE | |
| OutRun 2006: Coast 2 Coast | PC | 1.0 | Original | | SEGA-PC029 | |
| Outpost 2: Geteilte Bestimmung | PC | 1.0 | Original | | S0011248 | |
| Outpost 2: Destini Sospesi | PC | 1.0 | Covermount | | | |
| Outlaws (Disc 2) | PC | 1.0 | Original | | | |
| Outlaws (Disc 1) | PC | 1.0 | Original | | | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 2) | PC | 1.0 | Original | | FXX08903223D2 | |
| The Operative: No One Lives Forever (Disc 1) | PC | 1.0 | Original | | FXX08903223D1 | |
| Operation Thunderstorm | PC | 1.0 | Original | | | |
| Operation Flashpoint: Cold War Crisis | PC | 1.0 | Original, Gold Edition | | MOPFCDEU00 | |
| Open Season Boog & Elliot | PC | 1.0 | Demo | | | |
| Oni | PC | 1.0 | Covermount | | | |
| Oni | PC | 1.0 | Covermount | | | |
| On the Ball: League Edition | PC | 1.0 | Original | | | |
| OMSI Add-on: Wien: Der Hochflurbus LU 200 | PC | 1.0 | OMSI Bundle | | | |
| Oktoberfest Wiesn-Gaudi | PC | 1.0 | Original | | | |
| Oil Tycoon | PC | 1.0 | Original | | | |
| Oddworld: Abe's Exoddus (Disc 2) | PC | 1.0 | Covermount | | | |
| Oddworld: Abe's Exoddus (Disc 1) | PC | 1.0 | Covermount | | | |
| Oddballz: Your Wacky Computer Petz | PC | 1.0 | Original | | CS090370 | |
| ObsCure II | PC | 1.0 | Covermount | | | |
| Orly Pervoj mirovoj Орлы Первой мировой | PC | 02.19.07 | Original | | | |
| Official PlayStation Magazine Issue 67: February 2012 | PS3 | 02.01 | | | BCED-01209 | |
| Official PlayStation Magazine Issue 58: June 2011 Official PlayStation Magazine Issue 59: July 2011 | PS3 | 02.00 | | | BCED-01200 … | |
| Official PlayStation Magazine Issue 56: April 2011 | PS3 | 02.00 | | | BCED-01198 | |
| Official PlayStation Magazine Issue 79: January 2013 | PS3 | 01.03 | | | BCED-01574 | |
| Overlord II | PS3 | 01.02 | Original | | BLES-00580 | |
| Official PlayStation Magazine Issue 68: March 2012 | PS3 | 01.02 | | | BCED-01577 | |
| Official PlayStation Magazine Issue 66: January 2012 | PS3 | 01.02 | | | BCED-01208 | |
| Official PlayStation Magazine Issue 11: November 2007 | PS3 | 01.02 | | | BCED-00087 | |
| Operation Flashpoint: Red River | PS3 | 01.01 | Original | | BLES-01171 | |
| Operation Flashpoint: Dragon Rising | PS3 | 01.01 | Original, Promo | | BLES-00597 | |
| One Piece: Pirate Warriors | PS3 | 01.01 | Original | | BLES-01672 … | |
| Official PlayStation Magazine Issue 73: August 2012 | PS3 | 01.01 | | | BCED-01568 | |
| Official PlayStation Magazine Issue 72: July 2012 | PS3 | 01.01 | | | BCED-01567 | |
| Official PlayStation Magazine Issue 70: May 2012 | PS3 | 01.01 | | | BCED-01565 | |
| Official PlayStation Magazine Issue 39: Christmas 2009 | PS3 | 01.01 | | | BCED-00438 | |
| Official PlayStation Magazine Issue 36: October 2009 | PS3 | 01.01 | | | BCED-00435 | |
| Official PlayStation Magazine Issue 29: March 2009 | PS3 | 01.01 | | | BCED-00428 | |
| Official PlayStation Magazine Issue 24: November 2008 | PS3 | 01.01 | | | BCED-00212 | |
| Official PlayStation Magazine Issue 22: September 2008 | PS3 | 01.01 | | | BCED-00210 | |
| Official PlayStation Magazine Issue 16: March 2008 | PS3 | 01.01 | | | BCED-00204 | |
| Official PlayStation Magazine Issue 15: February 2008 | PS3 | 01.01 | | | BCED-00203 | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00171 | |
| The Orange Box | PS3 | 01.00 | Original | | BLES-00153 | |
| One Piece: Unlimited World Red | PS3 | 01.00 | Original | | BLES-02020 | |
| One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-01913 | |
| One Piece: Pirate Warriors + One Piece: Pirate Warriors 2 | PS3 | 01.00 | Original | | BLES-02131 | |
| Official PlayStation Magazine Issue 83: May 2013 | PS3 | 01.00 | | | BCED-01818 | |
| Official PlayStation Magazine Issue 82: April 2013 | PS3 | 01.00 | | | BCED-01817 | |
| Official PlayStation Magazine Issue 81: March 2013 | PS3 | 01.00 | | | BCED-01576 | |
| Official PlayStation Magazine Issue 80: February 2013 | PS3 | 01.00 | | | BCED-01575 | |
| Official PlayStation Magazine Issue 78: Christmas 2012 | PS3 | 01.00 | | | BCED-01573 | |
| Official PlayStation Magazine Issue 77: December 2012 | PS3 | 01.00 | | | BCED-01572 | |
| Official PlayStation Magazine Issue 76: November 2012 | PS3 | 01.00 | | | BCED-01571 | |
| Official PlayStation Magazine Issue 75: October 2012 | PS3 | 01.00 | | | BCED-01570 | |
| Official PlayStation Magazine Issue 74: September 2012 | PS3 | 01.00 | | | BCED-01569 | |
| Official PlayStation Magazine Issue 71: June 2012 | PS3 | 01.00 | | | BCED-01566 | |
| Official PlayStation Magazine Issue 69: April 2012 | PS3 | 01.00 | | | BCED-01564 | |
| Official PlayStation Magazine Issue 65: Christmas 2011 | PS3 | 01.00 | | | BCED-01207 | |
| Official PlayStation Magazine Issue 61: September 2011 | PS3 | 01.00 | | | BCED-01203 | |
| Official PlayStation Magazine Issue 51: December 2010 | PS3 | 01.00 | | | BCED-00813 | |
| Official PlayStation Magazine Issue 47: August 2010 | PS3 | 01.00 | | | BCED-00809 | |
| Official PlayStation Magazine Issue 44: May 2010 | PS3 | 01.00 | | | BCED-00806 | |
| Official PlayStation Magazine Issue 38: December 2009 | PS3 | 01.00 | | | BCED-00437 | |
| Official PlayStation Magazine Issue 37: November 2009 | PS3 | 01.00 | | | BCED-00436 | |
| Official PlayStation Magazine Issue 35: September 2009 | PS3 | 01.00 | | | BCED-00434 | |
| Official PlayStation Magazine Issue 34: August 2009 | PS3 | 01.00 | | | BCED-00433 | |
| Official PlayStation Magazine Issue 33: July 2009 | PS3 | 01.00 | | | BCED-00432 | |
| Official PlayStation Magazine Issue 32: June 2009 | PS3 | 01.00 | | | BCED-00431 | |
| Official PlayStation Magazine Issue 31: May 2009 | PS3 | 01.00 | | | BCED-00430 | |
| Official PlayStation Magazine Issue 30: April 2009 | PS3 | 01.00 | | | BCED-00429 | |
| Official PlayStation Magazine Issue 28: February 2009 | PS3 | 01.00 | | | BCED-00427 | |
| Official PlayStation Magazine Issue 27: January 2009 | PS3 | 01.00 | | | BCED-00426 | |
| Official PlayStation Magazine Issue 26: Christmas 2008 | PS3 | 01.00 | | | BCED-00214 | |
| Official PlayStation Magazine Issue 25: December 2008 | PS3 | 01.00 | | | BCED-00213 | |
| Official PlayStation Magazine Issue 23: October 2008 | PS3 | 01.00 | | | BCED-00211 | |
| Official PlayStation Magazine Issue 21: August 2008 | PS3 | 01.00 | | | BCED-00209 | |
| Official PlayStation Magazine Issue 20: July 2008 | PS3 | 01.00 | | | BCED-00208 | |
| Official PlayStation Magazine Issue 19: June 2008 | PS3 | 01.00 | | | BCED-00207 | |
| Official PlayStation Magazine Issue 18: May 2008 | PS3 | 01.00 | | | BCED-00206 | |
| Official PlayStation Magazine Issue 17: April 2008 | PS3 | 01.00 | | | BCED-00205 | |
| Official PlayStation Magazine Issue 14: January 2008 | PS3 | 01.00 | | | BCED-00202 | |
| Official PlayStation Magazine Issue 13: Christmas 2007 | PS3 | 01.00 | | | BCED-00181 | |
| Official PlayStation Magazine Issue 12: December 2007 | PS3 | 01.00 | | | BCED-00088 | |
| Official PlayStation Magazine Issue 10: October 2007 | PS3 | 01.00 | | | BCED-00086 | |
| Official PlayStation Magazine Issue 09: September 2007 | PS3 | 01.00 | | | BCED - 000 … | |
| Official PlayStation Magazine Issue 08: August 2007 | PS3 | 01.00 | | | BCED-00084 | |
| Official PlayStation Magazine Issue 07: July 2007 | PS3 | 01.00 | | | BCED - 000 … | |
| Oyunlarla Dil Bilgisi Oyunlarla Matematik | PC | | Original | | | |
| Oyungezer: Mart 2010 | PC | | | | | |
| Oynayarak Ogreniyorum 1 Oynayarak Öğreniyorum 1 | PC | | Original | | | |
| The Oxfordshire Golf Club | PC | | Original | | EAE05101006D | |
| De Overval: Over Dwangmiddelen en Getuigenverhoor | CDI | | Original | | ovrvl 01 | |
| Overlord: Dark Legend | WII | | Original | | RVL-ROAP-EUR | |
| Overlord BGamer 153 (Side A) | PC | | Covermount | | | |
| Overlord | PC | | Original | | MOVL1CDEU00 | |
| Overboard! | PC | | Original | | | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| Overboard! | PSX | | Original, 1998 4 PlayStation Multi Pack | | SLES-00865 | |
| Overboard! | PC | | Dice | | DCG 005752, DMM 005776 | |
| OverBlood | PSX | | Original | | SLES-00768 | |
| Over Load | PC | | | | | |
| Over 350 Solitaire Games | PC | | Original | | | |
| Over 350 Jigsaw Puzzles | PC | | Original | | 012163 | |
| Outward | PC | | Day One Edition | | 1024669LAINT, 103699 | |
| OutRun 2006: Coast 2 Coast | PC | | Top Games | | SEGA-PC029 | |
| OutRun 2006: Coast 2 Coast | PC | | eXtra Klasyka XK HIT | | TS OCC PL | |
| OutRun 2 | XBOX | | Original | | SE-054 | |
| OutRun 2 | XBOX | | Beta | | | |
| OutRun 2 | XBOX | | Demo | | SE-057 | |
| Outrage | PC | | Original | | | |
| Outpost | PC | | SierraOriginals | | S4941220Z12Z2 | |
| Outpost | PC | | Original | | S 390121012ZZZ | |
| Outpost | PC | | Original | | S390021012ZZ2 | |
| Outlaws (Disc 2) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 2) | PC | | Original | | | |
| Outlaws (Disc 1) | PC | | M6 Multimedia | | M6IMM6 | |
| Outlaws (Disc 1) | PC | | Original | | | |
| Outlaw Volleyball | XBOX | | Original | | SS-007 | |
| Outlaw Tennis | XBOX | | Original | | TT-118 | |
| Outlaw Racers | PC | | Sold Out Software | | | |
| Outlaw Golf 2 | XBOX | | Original | | TT-023 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| Outlaw Golf | XBOX | | Original | | TM-006 | |
| The Outfit | XBOX360 | | Original | | TQ-2002 | |
| Outcast (Disc 2) | PC | | Covermount | | | |
| Outcast (Disc 1) | PC | | Covermount | | | |
| Outcast (Disc 2) | PC | | Limitierte Sonderausgabe | | OUTCAPC520/A2 | |
| Outcast (Disc 1) | PC | | Original | | OUTCAPC52F/A1 | |
| Outcast | PC | | Original | | | |
| Outbreaker | PC | | Original | | | |
| 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 | |
| Otorva v shkole Оторва в школе | PC | | Original | | | |
| Otogi: Myth of Demons | XBOX | | Original | | FS-002 | |
| Otogi 2: Immortal Warriors | XBOX | | Original | | FS-004 | |
| Othello CD-ROM | PC | | Original | | | |
| Othello | PC | | Original | | | |
| 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 e'rotiki Остров эротики | PC | | Original | | | |
| Ostrich Runner | PC | | Microforum | | | |
| Osterspiele-Box Oster Spielebox | PC | | Original | | | |
| Ost-Indskaya kompaniya: Zolotoe izdanie Ост-Индская компания: Золотое издание | PC | | Original | | | |
| Osobennosti nacional'nogo razvoda (Disc 2) Особенности национального развода | PC | | Original | | | |
| Osobennosti nacional'nogo razvoda (Disc 1) Особенности национального развода | PC | | Original | | | |
| Osef Minei Mischakim אוסף מיני משחקים | PC | | Original | | | |
| Oscar der Ballonfahrer und die Geheimnisse des Waldes | PC | | | | | |
| Oscar | PC | | Golden Zone | | | |
| Ortofrajda | PC | | | | | |
| Oro e Gloria: La Strada per El Dorado | PC | | Covermount | | | |
| Orion Burger | PC | | Original | | | |
| Orion Burger | PC | | Gold Games 2 (CD 11) | | SPI 046 | |
| Orion Burger | PC | | Abenteuer Doppelpack: Premier Collection | | MOBRLPGE72 | |
| Die Original Moorhuhn Jagd | PC | | Best of Moorhuhn | | | |
| Origami | CDI | | Original | | 810 0041 | |
| Oregano Oregano: RISC OS Web Browser | ARCH | | 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 | | | |
| Orda: Severnyj veter Орда: Северный ветер | PC | | Original | | | |
| 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 (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 | XBOX360 | | Original | | EA-2063 | |
| The Orange Box (Disc 1) | PC | | Original | | VAX07705811D | |
| OPSM Best Ever Ever Games Demo | PSX | | Demo | | SCED-02851 | |
| Opowieści z Narnii: Książe Kaspian | PC | | Covermount | | | |
| The Operational Art of War II: 1956-2000 The Operational Art of War II: Bewaffnete Konflikten | PC | | Original | | | |
| Operation: Surgery Has Never Been so Silly! | PC | | Sold Out Software | | | |
| Operation: Surgery Has Never Been so Silly! | PC | | Replay Kids | | OPERPCREGB/A | |
| Operation WinBack 2: Project Poseidon | XBOX | | Original | | KO-008 | |
| Operation Flashpoint: Gold Upgrade Operace Flashpoint: Gold Upgrade | PC | | Original | | | |
| Operation Flashpoint: Dragon Rising | PC | | Original | | MOFP2CDEU00 | |
| Operation Barbarossa: The Struggle for Russia | PC | | Original | | | |
| 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 "Plastilin" (Disc 2) Операция "Пластилин" | PC | | Original | | | |
| Operaciya "Plastilin" (Disc 1) Операция "Пластилин" | PC | | Original | | | |
| Operaciya "Blau" Операция "Блау" | PC | | Original | | | |
| Operaciya "Barbarossa" Операция "Барбаросса" | PC | | Original | | | |
| Opera Fatal | PC | | Tandem | | 1444 | |
| Open Universiteit: Practicum Toxicologische Histopathologie Open University: Practical Toxicological Histopathology | CDI | | Original | | 4589 | |
| Open Season (Disc 3) | PC | | Original | | 5004905-CD 3 | |
| Open Season (Disc 2) | PC | | Original | | 5004905-CD 2 | |
| Open Season (Disc 1) | PC | | Original | | 5004905-CD 1 | |
| Open Season | XBOX | | Original | | US-097 | |
| Open Season | XBOX360 | | Original | | US-2024 | |
| Open Season | WII | | Original | | RVL-ROPP-EUR | |
| Open Kart | PC | | I Videogiochi del "Giornalino" | | | |
| L'Open de Palm Springs | CDI | | Original, For Demonstration Only | | 812 0002 | |
| Opel Vectra '99 | PHOTO-CD | | Original | | | |
| Opel IAA '99 (Disc 2) (Opel Highlights) | PHOTO-CD | | Original | | | |
| Opel IAA '99 (Disc 1) (Model Range) | PHOTO-CD | | Original | | | |
| Opel IAA '97 | PHOTO-CD | | Original | | | |
| Opel Corsa '97 | PHOTO-CD | | Original | | | |
| Op Jacht naar Vernuft | CDI | | | | | |
| De Ontdekker en het Mysterie van de Diamanten Scarabee The Explorer and the Mystery of the Diamond Scarab | WII | | Original | | RVL-SODP-EUR-B0 | |
| Ontdek de Interactieve Wereld van Neckermann | CDI | | Original | | | |
| Onsalakorv | PC | | Original | | | |
| Only Fun: Entra anche tu nel mondo dei Videogames | PC | | | | | |
| OnlineGamez | PC | | | | | |
| Online G@mer n. 5: Juin/Juillet 2001 (Disc 1) | PC | | | | | |
| Onkel Alberts geheimnisvolles Notizbuch | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 4) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 3) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 2) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraya (Disc 1) (Igrovoj) Onimusha: Путь самурая | PC | | Original | | | |
| Onimusha: Put' samuraja Onimusha: Путь самурая | PC | | Original | | | |
| Onible'jd Ониблэйд | PC | | Original | | | |
| OnEscapee | ACD | | Original | | | |
| One Step Ahead | CDI | | | | Demo 10.05.94 | |
| One Piece: Unlimited Cruise 2: Awakening of a Hero | WII | | Original | | RVL-RIUP-EUR-B0 | |
| One Must Fall 2097 One Must Fall | PC | | Rerelease | | D.L.: M-8684-97 | |
| One | PSX | | Demo | | SLED-01170 | |
| Ona: Sbornik e'roticheskix igr Она: Сборник эротических игр | PC | | Original | | 10-20999 | |
| Omnia Junior 3: Il Mondo degli Animali | PC | | Covermount | | SIAE1001PA | |
| Omnia Junior 2: Storia: Attività interattive | PC | | Covermount | | SIAE 0901PA | |
| Omnia Junior 1: Enciclopedia: Dizionario | PC | | Covermount | | SIAE 08A01PA | |
| Omikron: The Nomad Soul | PC | | Promo | | | |