I-Ninja Cheats for XBox
Also on: PlayStation 2 GameCube PC
During gameplay pause the game and press 'Start' and hold the R Trigger and press X, X, X, B. Release R Trigger then Hold L Trigger and press Y, Y. Release L then Hold R and press X, X.
To Unlock Battle Arena, earn all the Grades.
Then you should get the Master Grade. The Battle Arena will be open at Robot Beach.
Also on: PlayStation 2, GameCube, PC, check out those pages for more help with this game.
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