American Truck Simulator!

Rigs of Rods is an open source vehicle simulator licensed under the GNU General Public License version 3. What makes Rigs of Rods different to most simulators is its unique soft-body physics: vehicles, machines, objects, etc. are simulated in real-time as flexible soft-body objects, giving the simulation an extremely accurate behavior which entirely depends on the physical construction of the vehicles or objects you create.Features

Rig'n'Roll is a sandbox-style truck driving simulation and racing video game. It simulates truck driving and management, and features some of the best known trucks in North America. The game takes place in California and Nevada, in the year 2014.