Effect Code At the title screen use controller 2 and press Left, Left, Left, B, B, A, A, A, A, Right, then press start on controller 1. Display Secret Passages
Contributed By: Buckwheatz Revenge.
At title screen, press B, Down, Up, A, Left, Left and Right on the 2nd controller. Now, during the game, press or hold Select to move frame by frame.
Contributed By: ReyVGM.
Secret Ending Message
If you can finish Mission 4-4 with 3 lives remaining and 24 grenades remaining, you get a secret message from the programmer after the usual ending message.
Contributed By: AdamL.
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