Well, it's not exactly located in space, but there are lots of balls involved.

It focuses on one simple task- getting a photon from a monitor to the eye of an observer. There are atoms of oxygen in the way, so you have to dodge them.

Yes, lots of physics laws are somewhat bend here, but lots are kept, and it's a chill and relaxing game.

So, without further ado, PLAY the game itself! And don't forget to rate, when it'll be available.