While playing, hold [CTRL] + [SHIFT] + [O] + [E] and then press [H] to activate Developer mode. You can then press any of the following cheat keys.
Effect Code Add 1000 EXP 8 Give Explosives 6 Give Gas Mask 5 Give Morphine 9 Give Next Handgun 2 Give Next Rifle 1 God Mode G Intended Upgrade Attributes 7 Maximum Ammo for Current Weapon N Maximum Armor M Toggle Fly Mode X Toggle Visibility V
Contributed By: Crimson_Dawn_80.
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