1- more zombies (textures), zombie city dwellers, police zombies, zombie builders (with a different texture), and some more. 2-add a function when you shoot from a firearm, zombies are ilut behind you, and there is still a chance that feral will come running, so you need silencers. 3- add a new firearm ump 45, desert iagly, p90, m4a1. that's all