*Edited by CM: That's too much personal information. For your own safety and protection do not share your email address - Our House Rules have an offer for you!
It can be based on total Sugar Star, total star collected. It also can be on level win streak and race win streak. We've seen score based rank in old version. It's not a human programs that you have to write on paper that's why you can't rank among hundreds of millions of players. It's possible.