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Effect Code All Weapons up, down, left, right, A, B God Mode up, down, left, right, up, down, left, right Invisibility X,B,A,B Kungfu Fists right, down, left, A Minigun up, up, down, down, A, B, A, B Nofall (prevents player from being knocked down) up, A, up, B, Y, up, X Nuke (kills all spawned enemies) A, B, Y, X, A, B, Y, X Unlock All Levels X, up, right, up, right
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