Hardline (cheat)

PC
In the "hardline.cfg" file, enter the following line at the end. It's case sensitive, so type it exactly as shown: 
CHEATING IS SOMETIMES USEFUL BUT FOR HOW LONG ??? 
Now during the game hit the following keys:
* X-Invincibility 
* BACKSPACE -Kill all enemies on screen 
* HOME -Gain main weapon ammo 
* INSERT-Full health 
* PAGE UP-Gain accessory weapon ammo