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For no reason my level dropped from 202 to 186. And I heard some people deal with the same problem as well. What is going on?

I have 89...next day 71....after 2 days 90.....and now 82! Why?? I spend my A$ in wind?

I think rating is calculated on so many factors, your usage playing, the ratings you receive when gifted,the purchases you make in the shop and so on, I know when I purchased a room I had a positive increase and when a relationship  went bad on someone that had gifted me a large amount I took a big hit, there is a formular I'm sure but Achat do not make that public