Nice work, — Very challenging.
The beginning is very difficult. I died about 20 times just getting to that rotating platform. In addition to the life counter at the top, I would suggest making the player flash or something to indicate that you lost a life. At first, I didn't realize I was killing myself every time I hit the floor. Personally, I have a short attention span and gave up. Like you said, there are different types of people to target and I guess I'm not one of those targets.
Kudos for accomplishing something that I'm still struggling with...completing a game.