Mutant Monty

Disable sprite collision:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 21526,0
SYS 37024

Set number of lives:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
Note: X represents the desired number of lives.
POKE 21018,X
SYS 37024

Unlimited lives:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 21645,4
SYS 37024

Unlimited lives (alternate):
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 21647,173
POKE 21226,234
POKE 21227,234
SYS 22039

Cheat mode:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 21647,173
SYS 22039