Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 3516,9
No opponents:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 3214,234
POKE 3215,169
POKE 3216,0
POKE 45826,234
POKE 45827,169
POKE 45828,0
SYS 2080