| Title | Genre | Platform | Last Updated |
|---|---|---|---|
| Nightshade | Action | ps2 | December 12, 2004 |
| Ninja Assault | Light-Gun Shooter | ps2 | December 12, 2004 |
| No One Lives Forever | First-Person Shooter | ps2 | September 8, 2007 |
| Nobunaga's Ambition: Iron Triangle | Strategy | ps2 | February 16, 2009 |
| Nobunaga's Ambition: Rise to Power | ps2 | February 16, 2009 | |
| NRA Gun Club | First-Person Shooter | ps2 | September 6, 2006 |
| Obscure: The Aftermath | Survival Horror | ps2 | February 8, 2008 |
| Odin Sphere | Role-Playing | ps2 | April 19, 2007 |
| Okami | Adventure | ps2 | September 19, 2006 |
| One Piece: Grand Adventure | Fighting | ps2 | September 12, 2006 |
| One Piece: Grand Battle | Fighting | ps2 | September 12, 2005 |
| One Piece: Pirates' Carnival | Party | ps2 | September 12, 2006 |
| Oni | Action | ps2 | December 12, 2004 |
| Onimusha 2: Samurai's Destiny | Action/Adventure | ps2 | December 12, 2004 |
| Onimusha 3: Demon Siege | Action/Adventure | ps2 | December 12, 2004 |
