Hidden Level:
Goto "Level Selection" or "Saved Game" screen and enter the following:
Down Up Z L Down Left Z Down
Finally choose a saved game or level and press Left
Additional Energy:
Goto "Level Selection" or "Saved Game" screen and enter the following:
C-Left L Z Down L Z C-Left C-Right
After entering the code choose level or saved game
Last Level:
Goto "Level Selection" or "Saved Game" screen and enter the following:
Up Down L Z Down Right Z Down
After enteriing the code choose level or saved game and press left
