Pariah cheats and cheat codes for Playstation 2

Healing Tool 
Fast Injector - Faster doses mean faster health restore. 
Health Boost - Adds +1 life point. 
Adrenal Boost - Adds +1 more life point. 

Bulldog 
Fire Accelerator - Increase fire rate. 
Recoil Stabiliser - Increase accuracy. 
Armor-piercing - Increase damage. 

Grenade Launcher 
Remote Detonator - Increase ammo to 8; allows for manual trigger. 
Fragment Attraction - Increase blast size and ammo to 10. 
Target Leech - Increase ammo to 12. 

Plasma Gun 
Arc Sphere - Charge weapon to unleash damage orb. 
Defense Sphere - Damage orb endures longer and explodes on contact. 
Explosive Sphere - Damage orb endures longest, explosion is larger. 

Rocket Launcher 
Heat-Seeking - Warhead heat-seeks after holding trigger and firing. 
Dual Warheads - 2 warheads fired. 
Quad Warheads - 4 warheads fired. 

Frag Rifle 
Servo-Reloader - Increase reload speed. 
Magneto Concentrator - Creates a laser mine at close range. 
Titanium Concentrators - Creates a stronger mine at close range. 

Sniper Rifle 
Enhanced Vision - Highlights enemies in scope view. 
Increased Ammunition - Increase ammo to 6 in magazine, 18 reserve. 
Armor-piercing - Increase damage.