This page contains I-Ninja Unlockables for PC - Windows called "Battle Arena" and has been posted or updated on Jan 20, 2010 by kelvin. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Argonaut Games
- Publisher: Namco
- Genre: Action Platformer 3D
- Release Date: Apr 23, 2004
- ESRB: Not Set
To unlock the Battle Arena, get all the grades. You should then get the Master grade. The Battle Arena will now be open in Robot Beach.
Back to all Cheats
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an I-Ninja expert then please try to help others with their questions.