What is the end game?

[BadRaZoR]

Hi all, been having a lot of fun with Nova Lands but was wondering if there was an ending of some sort or is the ending just getting all the challenges? I think I'm sort of close to the end. I've gotten all the skills. I've unlocked the space walk and only need a few more diamonds to finish that. I still have the super computer stuff to do.

Thanks in advance!

[Entoarox]

You know you "finished" the end-game once you get the credits.
(No worries, you can keep playing after, but that is when you've "finished" the game)

I am using quotation marks, because you can "finish" the game without fully completing all the side-objectives.