Invincibility - Load or reset the game, then execute the following BASIC command before running or restarting the program.

Code Effect
POKE 3394,255 Invincibility

Level Select - Load or reset the game, then execute the following BASIC commands before running or restarting the program. Note that X = the desired level.

Code Effect
POKE 13206,X SYS 2304 Level Select

Set Number of Lives - Load or reset the game, then execute the following BASIC commands before running or restarting the program. Note that X = the desired number of lives.

Code Effect
POKE 13205,X SYS 2304 Set Number of Lives

Unlimited Lives - Load or reset the game, then execute the following BASIC commands before running or restarting the program.

Code Effect
POKE 3029,234 SYS 2304 Unlimited Lives