Here are some cheats to keep you happy!!
Extra Lives
At the pause screen press A,B,X,Y, left trigger, right trigger, up, down, left, right.

Level Skip
At the pause screen press Y,Y,X,X, left trigger, right trigger, down, down, up, up.

Grenades
At the pause screen press down, down, down, down, down, up, up, up, up, right.
Level Select
At the pause screen press up, down, up, down, up, down, left, right, right, Y.
Extra Credits
At the pause screen press A,B, left, A,B, right, B,A, down, left trigger.

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