ask yourself : Is it worth it?
I don't think it's worth it any more, because the newly released levels look like this:
Look familiar? That could be any level, anywhere, as far as I can see. So why bother? Save your money. It really isn't worth it any more. All 18,245 levels are essentially the same in this game and maybe many of them are identical, who would ever know.
How much more boring can it get?