How do you kill an enemy without a weapon? Each weapon will have a skill tree attached to it, as you progress with the weapon you will be able to upgrade its accuracy, effectiveness and more. All players will be able to learn how to use all weapons including some from the TV shows such as P-90's, Staff Weapons & Zat's. Players will be able specialise in a single weapon or be a jack of all trades and learn how to use them all.