SCS Software s.r.o.

SCS Software is a privately-owned game and 3D software development company located in Prague, Czech Republic, founded in 1997.

They have developed the Prism3D engine, which they have used in their own projects and licensed out to other companies.

Since starting game development in 1999, they became well-known for their simulation games, such as the 18 Wheels of Steel, Hunting Unlimited, Euro Truck Simulator and American Truck Simulator series, the latter two of which are self-owned and self-published, bringing them worldwide popularity in the 2010s.