The New Mexico Add-on for American Truck Simulator has 5 achievements.
Visit all large truck stops and rest stops in New Mexico (requires New Mexico DLC)
Discover every city in New Mexico (requires New Mexico DLC)
Deliver cargo to An-124 depot (requires New Mexico DLC)
Discover shortcut through the forest (requires New Mexico DLC)
Drive by the Billy The Kid Museum (requires New Mexico DLC)