Sulingen is the fifth planet in the Platte System, and is generally a cold desert. It was a rust-red planet when the Germans first landed, bearing close similarity to the planet Mars in the Sol system. It has only one ocean on its surface: the Germans had nearly run out of water terraforming the other three planets.
Large foundries characterize this world: its rich iron reserves make it a perfect factory. Most of the cities have a cloud of smog around them, although widespread use of masks makes that a negligible nuisance. The Keller Ocean has canals branching off of it, supplying far-off cities with its water: from space, Sulingen looks as though it has lines drawn all over it. The cities, from space, look as if though dark patches were on it, a sign of the foundries' unending labor. Sulingen is German-dominated but split between the communist People’s Republic of Germany, socialist Social Republic of Germany, an anarchist Syndicalist State of Germany and the croixist National State of Germany.