Great demo overall, but I feel like the combat was a little awkward. If the zombies eased off you instead of just spamming their attacks, that would help tremendously with the combat in my opinion.
Also subtle clues to warn players about stuff like the skeletons instead of just chucking them at you with no warning would make that kinda thing much more satisfying. That way, if you get hit, if you get hit, you say it's your fault, not the game's.
Otherwise an amazing experience. If you're reading this while you wait for the game to load, definitely worth playing.