版本1.55.2.1s说明：
本次发布的版本除游戏本体外，还包含了游戏发布至今的所有DLC（合计39个）：
货物包(6)：
American Truck Simulator - Farm Machinery
American Truck Simulator - Forest Machinery
American Truck Simulator - Heavy Cargo Pack
American Truck Simulator - JCB Equipment Pack
American Truck Simulator - Special Transport
American Truck Simulator - Volvo Construction Equipment
地图(15)：
American Truck Simulator - Arkansas（新增）
American Truck Simulator - Colorado
American Truck Simulator - Idaho
American Truck Simulator - Iowa（新增）
American Truck Simulator - Kansas
American Truck Simulator - Missouri（新增）
American Truck Simulator - Montana
American Truck Simulator - Nebraska
American Truck Simulator - New Mexico
American Truck Simulator - Oklahoma
American Truck Simulator - Oregon
American Truck Simulator - Texas
American Truck Simulator - Utah
American Truck Simulator - Washington
American Truck Simulator - Wyoming
涂装(10)：
American Truck Simulator - Christmas Paint Jobs Pack
American Truck Simulator - Classic Stripes Paint Jobs Pack
American Truck Simulator - Halloween Paint Jobs Pack
American Truck Simulator - Pink Ribbon Charity Pack
American Truck Simulator - Retrowave Paint Jobs Pack
American Truck Simulator - Space Paint Jobs Pack
American Truck Simulator - Sports Paint Jobs Pack
American Truck Simulator - Steampunk Paint Jobs Pack
American Truck Simulator - Valentine's Paint Jobs Pack
American Truck Simulator - Wild West Paint Jobs Pack
挂车包(1)：
American Truck Simulator - Lode King & Prestige Trailers Pack
卡车配件(7)：
American Truck Simulator - Cabin Accessories
American Truck Simulator - Dragon Truck Design Pack
American Truck Simulator - Goodyear Tires Pack
American Truck Simulator - Michelin Fan Pack
American Truck Simulator - Steering Creations Pack
American Truck Simulator - W900 Tuning Pack
American Truck Simulator - Wheel Tuning Pack
注意事项：
- 首次游戏创建存档时，需取消Steam云存档的勾，才可创建存档。
