Place the following line as the last line in the "hardline.cfg" file. Type
it exactly as shown or it won't work (NOTE: case-sensitivity and
spaces):
CHEATING IS SOMETIMES USEFUL BUT FOR HOW LONG ???
When enabled, the following are the cheat keys:
X-Invincibility
BACKSPACE KEY-Kill all enemies on screen
HOME KEY-Gain main weapon ammo
INSERT KEY-Full health
PAGE UP KEY-Gain accessory weapon ammo