At the title screen (while press starts button is showing) press left, up, right, down, right, right, up, R button. The stage name will appear. press up and down to choose a stage.Final Level
After entering in the Level select code, press left, right, right, up, tight, right, up, down, right, right, up, R button. Press up 2 times to find the stage that says Last Boss.
At the title screen (while press start button is showing) press up nine times, right nine times, down six times, left seven times, Z, X, Y, Y, Y, Z. You will know the trick worked when you hear the opening theme song playing from the begining again.
Finish stage 2-2 in under 30 seconds, and you’ll receive 1,000,000 point bonus.