Cheat mode:
Press Up + A, Down + A, Up + A, Up + A, Left + A, Right + A when the LucasArts logo spins during the introduction sequence. The words "LucasArts" will be spoken to confirm correct code entry. The following cheat functions may now be enabled.
Full energy
Pause game play, highlight the "Restore Health" option, and press A.
Less energy
Pause game play, highlight the "Remove Health" option, and press A.
Level skip
Press C during game play.
Switch endings:
Hold A + B + C when the losing ending appears to change to the winning ending sequence.