American Truck Simulator Welcome to the American Truck Simulator workshop! Are you interested in driving custom trucks with custom cargo? Steam Workshop is where you can easily download fan-created mods, plug them right into the game, and keep them up to date! That special time of the year! Customize your truck with a choice of five Christmas paint jobs!Paint schemes included:X for XmasDeeply FrozenSanta DriverRed FreighterSanta's SledAll of these themes are applicable to any in-game truck.