Talk:Bubbles/@comment-174.4.173.6-20190202183241/@comment-26005122-20190203040320

You're not guaranteed a Star Bubble on an 11-chain. If you notice the chain ranges, they overlap with other bubble types, which means you'll get one of those types in an 11-chain.

Exp is related to score, you'll need to reach 1 million points. You can check out the points needed on the Experience page.