This was fantastic, even if it was only the demo! I can tell the full release going to awesome, can't wait! Also, I encountered a very minor bug. After losing all your lives and you turn around to see the open door, if you walk forward and I believe if you click on the door, it kind of just closes in front of you. If you want to see it for yourself, the bug occurs in my video at 5:30. Anyways, good luck developing!