User blog comment:PlantyThePottedPlant/Random Topic Blogging III: Blog Harder/@comment-4989298-20121119020425/@comment-4989298-20121122001942

A plot, no Lubba, Comet Observatory is much better than Starship Mario, I prefer the worlds more, and it also has a nostalgia factor for me, even though it's only 5 (?) years old.

Those are my reasons.