But if you ever do get the chance to stop and stare into the distance, you'll find some extremely creepy shit. Specifically, in one level of Super Mario Galaxy 2, if you switch to first-person view and look in a certain direction, you can see shadowy figures standing at the edge of the galaxy.
Anywhere you go on that level, if you look up and to the left, they'll always be there. You can't come any closer. You never meet those "people," and nobody in the game ever mentions them.
They're just THERE.