Look man, criticism isn't something to defend yourself in replies with. I am trying to help you. Quite frankly, it doesn't matter what you think, it matters what the players think. Do you not agree?
Take a look at this map: Link
Doesn't that look more realistic to you?
I'm playing your game now.
EDIT: I can't even it finish it. I'm sorry, but it is way too glitchy. When you are in the woods, you can easily get stuck with the old man in your way, the zombies can corner you which causes an infinite loop of death, and as far as I can tell, they do one hit damage.