Very innovative idea! The setting is great - good job with creating the movie theater ambiance. It was fun to play.
I noticed here and there that the popcorn wouldn't disappear when I thought it should, or that lives wouldn't be decremented when I thought they should (maybe this is related?)
I really liked the mouse trailer so you could see where you are.
When I first entered, the combination of the darkness and the slow piano music gave me a vibe of a horror/suspense scene. This isn't either good or bad - just wanted to give you a sense of what I felt.