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| Title | System | Publisher | Product No. | Compatible with 20/60GB NTSC PS3 (CECHA/CECHB) | Compatible with 60GB PAL/80GB NTSC PS3 (CECHC/CECHE) |
|---|---|---|---|---|---|
| ObsCure | PS2 | DreamCatcher Games | SLUS-20777 | Yes | Yes |
| ObsCure II | PS2 | Ignition | SLUS-21709 | Yes | Yes |
| Odin Sphere | PS2 | Square Enix | SLES-55110 | Yes | Yes |
| Okami | PS2 | Capcom | SLUS-21115 | Yes | Yes |
| Oni | PS2 | Rockstar Games | SLUS-20064 | Yes | Yes |
| Onimusha: Warlords | PS2 | Capcom | SLUS-20018 | Yes | Yes |
| Onimusha 2: Samurai's Destiny | PS2 | Capcom | SLUS-20393 | Yes | Yes |
| Onimusha 3: Demon Siege | PS2 | Capcom | SLUS-20694 | Yes | Yes |
Read more about this topic: List Of Play Station 3 Backward Compatible Play Station 2 And Play Station Games