Cheat mode:
Press [Return] + [Commodore] + [Space[ + [Left Shift] + [Right Shift].
Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 12303,173
Unlimited energy:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 9825,173
Unlimited weapons:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 5014,173
POKE 6424,189
Unlimited missiles:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 5847,173
Unlimited time:
Load or reset the game, then execute the following BASIC command before running or restarting the program.
POKE 10641,173
