This game is awesome. The shooting feels very good, with nice trails and camera shake. It's challenging without going overboard and getting frustrating. Very good Hotline Miami style experience, incredible work for such a short time. Nice glass window mechanic too.
I would have liked some music to go along with the mayhem, but other than that the only real issue is that there isn't more of it. More levels, weapons, etc, would be awesome, but I had a blast playing what you have here.