*Edit the hardline.cfg file in your hardline directory. Add the following line as shown to the end of the file (as the last line) to enable the cheat keys: CHEATING IS SOMETIMES USEFUL BUT FOR HOW LONG ??? Once enabled, cheat at will: BACKSPACE: hit this key to kill all enemies on the current screen. HOME: hit this key to add main weapon ammo. INSERT: hit this key to restore full health. PAGE UP: hit this key to add accessory weapon ammo. X: hit this key to toggle invincibility.