That's a neat idea! I think it definitely could have used more polish, it's not exactly the prettiest game to see or hear. Also, I felt that there wasn't anything to do while you were on the ceiling. There isn't anything there other then the holes, but then again they functionally do the same thing as an obstacle, force you to switch. I liked the coins as well, they kind of added something to keep track of on the middle, and not just the top and bottom. Its a pretty cool idea that could easily be expanded upon.
Nice job!