This page contains I-Ninja Unlockables for Playstation 2 called "Unlock Battle Arena" and has been posted or updated on Nov 9, 2006 by C00KiEM0NSTeR.
- Developer: Argonaut Games
- Publisher: Namco
- Genre: Action Platformer
- Release: Nov 18, 2003
- ESRB: Teen
Unlock Battle Arena
To Unlock Battle Arena, earn all the Grades, Then you should get the Master Grade. The Battle Arena Will be open at Robot Beach.
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