Perfect marks.
First, congratulations, you are the second person to ever receive perfect marks from me. However, just being the best at something doesn't mean there isn't room for improvement.
I love the details you added to the game. Little motions such as the main characters facial features while reloading the shotgun. I like the absolutely huge array of zombie designs.
First, make the game harder. I know some people complain they couldn't beat it, but I've beaten it twice already from two tries. One way you could do this is by adding a food and water system to the game, and each survivors eats a certain percentage each night. Second, the story was pretty good for just a journal that reacts to the monster types, but suppose that some of the survivors had minds and thoughts too. If that survivor disappears, he could reappear later as perhaps say, he or she got lost for the night and popped up later. How about a few base power ups, light large lights that scare and stop the zombies for a while.
Can't wait for the sequel.