I-Ninja
>>Cheat Codes, Hints, Passwords, and Tips<<

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EXTRAS | Battle Arena

Get all the grades and earn the Master Grade.

CHEAT CODES | Big Head Mode

Pause the game, hold R, and press Y (4x).  Then, release R, hold L, and press Y, Y.  Hold R + L and press Y, B, Y.

CHEAT CODES | Upgrade Sword

Pause the game, hold L + R, and press B, X, B, Y, Y, X, B, X.