Hey!
I really enjoyed playing your game!
Few notes to report:
1) How do i save a game?
2) How do i return to main menu?
3) Unable to move after guide had said "Now you take over control" right after I shot the zombie heading for him.
4) First round zombies, that had destroyed the walls were trying to head out of the movement restriction border.
5) Guide and others pass walls.
6) Whilst accidentally moving spikes over another spikes, they got stacked under my mouse (ground went red)
7) When moving north by the west wall, camera seems to tilt upwards a bit at occasions.
8) Getting stuck behind tree stumps is annoying :D
win7 x64