Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 23858,173
Invincibility:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 6404,173
Unlimited time:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 1877,60
POKE 1878,7