| Title | Console | Sell Price | Market | Links | Action |
|---|---|---|---|---|---|
| Obliterate | PS2 | — | — | ||
| Obscure | PS2 | — | — | ||
| Obscure II | PS2 | — | — | ||
| Ocean Commander | PS2 | — | — | ||
| Odin Sphere | PS2 | — | — | ||
| Off Road | PS2 | — | — | ||
| Off-Road: Wide Open | PS2 | — | — | ||
| Offroad Extreme | PS2 | — | — | ||
| Offroad Extreme - Special Edition | PS2 | — | — | ||
| Okami | PS2 | 150 kr | — | ||
| One Piece Grand Adventure | PS2 | — | — | ||
| One Piece: Grand Battle | PS2 | — | — | ||
| One Piece: Round the Land! | PS2 | — | — | ||
| Oni | PS2 | — | — | ||
| Onimusha 2: Samurai's Destiny | PS2 | 100 kr | — | ||
| Onimusha 3 | PS2 | 150 kr | — | ||
| Onimusha: Blade Warriors | PS2 | — | — | ||
| Onimusha: Dawn of Dreams | PS2 | 200 kr | — | ||
| Onimusha: Warlords | PS2 | 100 kr | — | ||
| Open Season | PS2 | 60 kr | — | ||
| Operation Air Assault | PS2 | — | — | ||
| Operation Air Assault 2 | PS2 | — | — | ||
| Operation WinBack | PS2 | — | — | ||
| Operation WinBack 2: Project Poseidon | PS2 | — | — | ||
| Operative: No One Lives Forever, The | PS2 | — | — | ||
| Orphen: Scion of Sorcery | PS2 | — | — | ||
| Outlaw Golf | PS2 | — | — | ||
| Outlaw Golf 2 | PS2 | — | — | ||
| Outlaw Tennis | PS2 | — | — | ||
| Outlaw Volleyball | PS2 | — | — | ||
| Outlaw Volleyball Remixed | PS2 | — | — | ||
| OutRun 2006: Coast 2 Coast | PS2 | — | — | ||
| Over The Hedge | PS2 | 30 kr | — |