| Ookami
| 4976219654944 | SLPM-66375 | 2006-4-20
|
| Ookami (PlayStation 2 the Best)
| 4976219021074 | SLPM-74239 | 2006-12-14
|
| Ookami Ichio Funtouki: Sakura Taisen Kayou Show -
| 4974365500573 | HDR-0057 | 2000-2-24
|
| Ookami-teki Monshou: Crest of Wolf
| 4988607250454 | HCD3044 | 1993-2-26
|
| Ookiku Furikabutte: Honto no Ace ni Nareru kamo
| 4535506300591 | NTR-P-YOFJ | 2007-12-13
|
| The Ooze
| 010086015720 | 1572 | 1995-5-6
|
| The Open Golf: History of Turnberry
| 4983164734041 | SLPS-00418 | 1996-7-19
|
| Open Season
| 008888163138 | | 2006-9-19
|
| Open Season
| 008888173137 | | 2006-11-30
|
| Open Season
| 008888513131 | | 2006-9-19
|
| Open Season
| 008888523130 | | 2006-9-19
|
| Open Season
| 008888333135 | ULUS-10152 | 2006-9-19
|
| Open Season
| 008888323136 | SLUS-21467 | 2006-9-19
|
| Open Season
| 008888143130 | | 2006-9-19
|
| Open Season
| 008888153139 | | 2006-9-19
|
| Operation Air Assault
| 5036675004895 | SLES-52572 | 2005-2-25
|
| Operation Armored Liberty
| 096427013211 | | 2003-11-3
|
| Operation Darkness
| 4944076004226 | X4X-00002 | 2007-10-11
|
| Operation Europe: Path to Victory 1939-45
| 040198000680 | | 1994-6-0
|
| Operation Europe: Path to Victory 1939-45
| 040198000727 | | 1994-0-0
|
| Operation Flashpoint (Game of the Year Edition)
| 767649400522 | | 2003-3-21
|
| Operation Flashpoint: Cold War Crisis
| 767649400218 | | 2001-8-30
|
| Operation Flashpoint: Gold Upgrade
| 767649400294 | | 2001-11-28
|
| Operation Flashpoint: Resistance
| 767649400416 | | 2002-7-10
|
| Operation Logic Bomb: The Ultimate Search & Destroy
| 032264700129 | | 1993-8-0
|
| Operation Secret Storm
| 096962810238 | OM-81023 | 1991-0-0
|
| Operation Shadow
| 758478516881 | | 2004-10-19
|
| Operation Thunderbolt
| 020588010215 | | 1994-6-0
|
| Operation Wolf
| 020588010086 | | 1989-0-0
|
| Operation: Desert Storm
| | | 1991-0-0
|
| Operation: Vietnam
| 096427014966 | | 2007-8-17
|
| The Operative: No One Lives Forever
| 024543009535 | | 2000-11-9
|
| The Operative: No One Lives Forever (Game of the Year Edition)
| 020626714037 | | 2001-10-5
|
| Operator's Side (Microphone Set)
| 4948872150385 | SCPS-15038 | 2003-1-30
|
| Opoona
| 040198001878 | | 2008-3-25
|
| Opoona
| 4988615026195 | RVL-P-RPOJ | 2007-11-1
|
| Option Tuning Car Battle
| 4536478000014 | SLPS-01207 | 1998-1-15
|
| Option Tuning Car Battle (PlayStation the Best)
| 4536478000021 | SLPS-91037 | 1998-10-8
|
| Option Tuning Car Battle 2
| 4907859108191 | SLPS-01857 | 1999-2-18
|
| Option Tuning Car Battle 2 (Race the Best Vol. 2)
| 4907859108221 | SLPS-02573 | 2000-2-3
|
| Option Tuning Car Battle Spec-R
| 4536478000083 | SLPS-02587 | 2000-5-11
|
| Option Tuning Car Battle Spec-R (Race the Best Vol. 2)
| 4536478000151 | SLPS-02951 | 2000-12-7
|
| Option Tuning Car Battle Spec-R (SuperLite 1500)
| 4944076002642 | SLPM-87164 | 2002-11-7
|
| Oracle no Houseki
| 4907940211441 | SLPS-00240 | 1996-12-6
|
| The Orange Box
| 014633098495 | | 2007-10-10
|
| The Orange Box
| 014633098525 | | 2007-10-10
|
| The Orange Box
| 014633098518 | BLUS-30055 | 2007-12-11
|
| Orange Honey: Boku wa Kimi ni Koishiteru
| 4988110022562 | SLPS-25767 | 2007-4-26
|
| Orange Honey: Boku wa Kimi ni Koishiteru (Best Collection)
| 4535506300898 | SLPS-25859 | 2008-4-24
|
| Orange Honey: Boku wa Kimi ni Koishiteru (Limited Edition)
| 4988110022708 | SLPS-25766 | 2007-4-26
|