Easy Mode
When you get to the screen that flashes 'Start', press and hold U/L+X+S,
then press START. When you start the game, you will have more time to
finish the level. The enemies will also be weaker.

Flight Mode
Finish the game in less than two hours and leave your memory card
inside slot one. At the title screen, press the START button.
During the game, press and hold L2 and R2 on controller two.




Next, press the X on controller one. This should activate the Flight Mode.
The Flight Mode allowsyou to use R2 and L2 to fly up and down. You can
re-enter the code to return to the normal jump mode.

Hard Mode
When you get to the screen that flashes "Start", quickly press
L1, R1, L2, R2, S, X, T, C. When the
game starts, there will be more enemies and less power-ups.

Special Menu Options
Finish the game in less than two hours and leave your memory card
inside slot one. When you get to the title screen, press the START button.
A new option should appear called 'Special'. Enter into the
Special mode and you will able to access a bunch of special options