Level passwords: 

21D135008
10C700068
238A35008 
Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 13421,173 
Unlimited energy:
Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 13595,173 
Disable collisions:
Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 13769,173