Get behind the wheels of a big trailer to deliver cargo to dangerous mountains and steep hills. Drive epic truck trailers on challenging and bumpy maneuvers to complete the transport job on time. This off road truck trailer is a truck simulator game for those who love tough challenges on unsolved roads. offroad truck simulator, truck simulator game, 3D driving game, mountain road, cargo transport, truck driving, simulation game, racing game, HTML5, WebGL, challenging roads, 3D graphics, driving game, WASD controls, open world, adventure game.