First off, I love the new merge items. I've spent many happy hours trying to craft a candy jar or shelf of flowers, and while it sometimes takes weeks, I like having something new and pretty. Some friends and I were talking, and we thought it might be fun to expand the things that can be merged from...

That does help! Thanks. I've been playing with Stars world a bit, and I'm noticing a few more differences than I was expecting (some of them good, and some of them probably just not for me). I was mostly confused because there's Rainbow World too.

How many game worlds are there, and what are the differences between them?