Cheat mode:
Press 3 at the title screen, then enter one of the following codes to activate the corresponding cheat function. 



Effect Code 
Unlimited lives  PETALS OF DOOM  
Press 0 then press Down during game play to jump to the next level.  MAYHEM 
Start game play on the moon TRANSMOGRIFY  



--------------------------------------------------------------------------------
Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program. 
POKE 3439,165
SYS 3100