Use your ninja skills to take on an army.
- Take part in large-scale battles against massive groups of enemies with a totally new 1 vs 100 battle system.
- Throw yourself into the middle of epic fights through electrifying single player and multiplayer modes.
- Work together with a friend to defeat hordes of enemies and huge bosses in co-operative Ad Hoc Mode.
Note: online functionality not available on PSP-E1000 series.