Play 4x4 Tractor Challenge game, show your driving skill, unlock all levels, and win! You will start as a driver who takes control of a special car. Drive it skillfully to beat every obstacle on the path. More importantly, you should deliver all of the farm goods to the goal destination as soon as possible to complete your task. You have to keep the speed and everything that you have balanced and steady until you stop, especially when you are moving on slopes. Good luck!