I have an idea for a game...
Press Your Luck. How you get spins is determined from a base set of spins (say 5 or so), and your health or plus/minus score adds more spins and you go until you run out of spins.
Links for the 2 versions:
http://en.wikipedia.org/wiki/Press_Your_Luck
http://en.wikipedia.org/wiki/Whammy!_The_All-New_Press_Your_Luck
Just a thought. :)