The animation was great. It doesn't make much sense yet, but I'm looking forward to a possible conclusion. Gotta say the sounds were awful some times, like whenever a corpse is eaten and when the guy is in the alley and whatever that is he is scared of is about to appear. I actually almost muted the video during that scene. When he's checking the doors in the alley, the animation jumps a bit fast.
Apart from those minor things, it's a really a good movie. You manage to create a captivating mood. Good job!