Unlimited time:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 34711,234
POKE 34712,234
POKE 34713,234
SYS 33393,173
Unlimited time (alternate):
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 34686,173
Invincibility:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 44049,96