The advantages of Zats are that neither precise aiming nor reloading is necessary, as well as its capability to merely stun a target. Zat blasts also have the advantage of being immediately incapacitating, whereas a staff weapon or projectile hit to an extremity will not necessarily prevent a target from firing back. Zats have also been used on occasion to disable or destroy electronic equipment.
some challenges there... a weapon with variable force is hard to replicate in MP? How can u stun without killing? And it must be flat and then become erect (lol) and then flat again when not in use... and attack turrets, cameras etc...