Voltar, the multigravitational universe

Voltar is a world where the gravitational force is decentralized. The people who inhabit it can only stay in the plane where they were created.
There is also a gravity control technology, which allows to synchronize any object or living being with the quadrant they desired. This is very useful to travel freely in this universe.

Warning: If you are going to leave your quadrant, we recommend you to have your "jump" device well programmed or you could end up floating adrift in nothingness.