I feel like the zombies need tweaking, their AI is rather poor actually, they are just too fast sometimes it feels like they are skating on ice so why not take examples for fast running zombies from L4D series? They are really nicely balanced to that point. Also the zigzag thing they are doing is just too annoying, it just makes no logic of "realism" whatsoever, they are brain dead without fear of guns ... Maybe this could do some reworking as it is actual core of the game, zombies. So please take care of the core gameplay instead of side features such as cold and infection and such.
