The Wyoming Add-on for American Truck Simulator has 5 achievements.
Discover every city in Wyoming (requires Wyoming DLC)
View cutscenes from all viewpoints in Wyoming (requires Wyoming DLC)
Discover and visit the town of Buford (requires Wyoming DLC)
Deliver Train Axles, Tamping Machine and Rails to or from the rail yard in Cheyenne (requires Wyoming DLC)
Complete 10 perfect cattle deliveries (no damage, no fines, in-time) to livestock auctions in Wyoming (requires Wyoming DLC)