Single player physical 3D platformer rolling ball game.
The Emperor of the Sharp Corners Megakub enclosed the Spheronauts in the Rings and now they need to be freed.
In the mazes you need to collect the Blue Pyramids. They are needed for exchanging artifacts and freed the Spheronauts. There are also many Red Pyramids that take away the Blue Pyramids. It is better not to touch the Red Pyramids.
If the Spheronaut drop from the platform there is a choice - to continue from the place of the fall of another Spheronaut or resurrect the fallen on the Start.