The Nebraska Add-on for American Truck Simulator has 4 achievements.
Discover every city in Nebraska (requires Nebraska DLC)
View cutscenes from all viewpoints in Nebraska (requires Nebraska DLC)
Complete 3 deliveries from the Utility Vehicle Factory in Lincoln to each of the RV dealers in Omaha, Norfolk, and Columbus (requires Nebraska DLC)
Complete one delivery of corn, grain, potatoes and soybean from or within Nebraska (requires Nebraska DLC)