This page contains I-Ninja Unlockables for Xbox called "Unlock Battle Arena" and has been posted or updated on Nov 14, 2006 by BRENDAN. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Argonaut Games
- Publisher: Namco
- Genre: Action Adventure Modern
- Release Date: Dec 4, 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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