Procedure to activate the cheat mode:
 
 1.) Wait for the animated LucasArts logo.
 2.) Move the joystick UP and then press FIRE
 3.) Move the joystick DOWN and then press FIRE
 4.) Move the joystick LEFT and then press FIRE
 5.) Move the joystick RIGHT and then press FIRE
 6.) You'll hear a bell ringing and voice answering "LucasArts"
 7.) The cheatmode is now active.
 
 Cheats:
 
 [+] Full health
 [1-0] Jump to level 1-10
 [A-E] Jump to level 11-15
 [Esc] End section or level