The Montana Add-on for American Truck Simulator has 5 achievements.
Discover every city in Montana (requires Montana DLC)
View cutscenes from all viewpoints in Montana (requires Montana DLC)
Show your support for zero waste by completing a total of 10 deliveries of the Dumpster Bins and Waste Paper cargoes to the Waste Transfer Stations in Montana, and at least one Garbage Truck cargo to or from anywhere in Montana (requires Montana DLC)
Spark up Montana and support the power network by delivering a Circuit Breakers cargo and a Utility Poles cargo to the electric substations in each of the following cities: Butte, Glasgow and Havre (requires Montana DLC)
Complete a perfect delivery (no damage, no fines, in-time) of any machinery equipment to the Bull Mountains coal mine, Silane from the silane gas factory and Talc Powder from the talc factory (requires Montana DLC)