Playstation 2 cheats: O titles
| Game | Cheats | Updated |
|---|---|---|
| Obscure | 7 | Jan 27th 2005 |
| Okage: Shadow King | 7 | Jan 27th 2005 |
| Okami | 20 | Oct 2nd 2006 |
| One Piece Grand Battle | 15 | Aug 23rd 2005 |
| One Piece Grand Battle! 3 | 4 | Jan 27th 2005 |
| One Piece Grand Battle! Rush | 4 | Aug 23rd 2005 |
| Oni | 19 | Jan 27th 2005 |
| Onimusha 2 | 16 | Aug 21st 2004 |
| Onimusha 3: Demon Siege | 16 | Aug 21st 2004 |
| Onimusha Blade Warriors | 30 | Jan 27th 2005 |
| Onimusha: Dawn of Dreams | 5 | Mar 9th 2006 |
| Onimusha: Warlords | 14 | Jan 27th 2005 |
| Operation WinBack | 5 | Jan 27th 2005 |
| Orphen | 5 | Jan 27th 2005 |
| Orphen: Scion Of Sorcery | 5 | Jan 27th 2005 |
| Outlaw Golf 2 | 19 | Jan 27th 2005 |
| Outlaw Tennis | 18 | Aug 23rd 2005 |
| Outlaw Volleyball Remixed | 2 | Aug 23rd 2005 |
| OutRun 2006: Coast 2 Coast | 2 | Aug 3rd 2006 |
| Over the Hedge | 8 | Aug 3rd 2006 |