Mayhem In Monsterland

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

POKE 46621,173

Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 48587,0

Unlimited continues (tape version):
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 16055,173

Unlimited continues (disc version):
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 16047,173

Extra time:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.

POKE 48446,169
POKE 48447,0
POKE 48448,234