After entering the stage select code and selecting a stage, during gameplay push Right on controller 2's D-pad to increase the slow motion effect, and Left to decrease it.
Contributed By: monkeydodge.
Stage Select/Sound Test
Turn the game on, hold the A Button down and press the Reset Button. Press A or B on Controller 2 to bring up the Sound Test. Pressing Up or Down on Controller 1 will allow you to go through the Sound Test. Pressing B on Controller 2 will bring up the Stage Select Option.
Contributed By: Ryan Rider.
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