Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 4866,173
Unlimited lives (alternate):
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 4739,173
Invincibility:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 4679,173
POKE 63757,96
Unlimited time:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 4933,173