Name Format Release date
Obscure PS2 
Obscure II PS2 
Oddworld: Stranger [Canned] PS2 
Odin Sphere PS2 
Off-Road: Wide Open PS2 
Okami PS2 
Oni PS2 
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 
Operation Air Assault PS2 
Operation Winback PS2 
Operator's Side PS2 
Outcast 2: The Lost Paradise PS2 
OutRun 2006: Coast 2 Coast PS2 
Over The Hedge PS2 
Oz PS2