Aliens

Cheat mode:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.

POKE 42043,234
POKE 42044,234
POKE 42045,234
POKE 42387,234
POKE 42386,234
POKE 42388,234
SYS 38233

Cheat mode (alternate):
Load or reset the game, then execute the following BASIC commands before running or restarting the program.

POKE 24864,173
SYS 16459

Unlimited stamina:
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 42386,189

Unlimited ammunition:
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 42043,189

Easy mode:
Load or reset the game, then execute the following BASIC command before running or restarting the program.

POKE 35709,189