I loved Starbound and was really excided for its environment and style. I still think it has some of the best world generation, like a 2D version of No Man's Sky. Oh, and the music just feels so right...
I had hoped it would grow beyond what Terraria was at the time, but sad to see that didn't pan out and development has basically died. It feels like there's still a lot of potential in Starbound but it feels unfinished.