Name Format Release date
Oblivion PSP 
Obscure PS2 
Obscure II PS2 
Obscure: The Aftermath PSP 
Oddworld (New title) PS3 
Oddworld: Abe's Oddysee PS 
Oddworld: Abe's Exoddus PS 
Oddworld: New 'n' Tasty PS4 
Oddworld: Stranger [Canned] PS2 
Oddworld: Stranger's Wrath PSN 
Odin Sphere PS2 
ODT PS 
Off World Interceptor PS 
Off-Road: Wide Open PS2 
Okami PS2 
Okami HD PS3 
OlliOlli Vita 
OlliOlli2 Vita 
OlliOlli2 PS4 
Olympic Games PS 
Olympic Soccer PS 
Omega Boost PS 
One PS 
One Piece Mansion PS 
One Piece: Pirate Warriors PS3 
Ong-Bak PS3 
Oni PS2 
Oni PS3 
Onimusha PS2 
Onimusha 2: Samurai's Destiny PS2 
Onimusha 3 PS2 
Onimusha 4 Dawn of Dreams PS2 
Onimusha Blade Warriors PS2 
Onimusha: Dawn of Dreams PS2 
Online Pro Wrestling PS2 
Open Season PSP 
Operation Air Assault PS2 
Operation Flashpoint 2: Dragon Rising PS3 
Operation Flashpoint: Red River PS3 
Operation Winback PS2 
Operator's Side PS2 
Outcast 2: The Lost Paradise PS2 
OutRun 2006: Coast 2 Coast PS2 
OutRun 2006: Coast 2 Coast PSP 
OutRun Online Arcade PS3 
Over The Hedge PS2 
Overboard! PS 
Overlord II PS3 
Overlord: Raising Hell PS3 
Oz PS2