Options:

NP1 - Unlimited Ammo

NP2 - No Reload

NP3 - Unlimited Health

NP4 - Easy Kill

NP5 - Unlimited Flashlight

NP6 - No Recoil

NP7 - Unlimited Gas Mask Time

NP8 - Mask Durability

NP9 - No Overhead Weapons

NP+ - Medi Kits

NP0 - More Speed