The Oregon Add-on for American Truck Simulator has 5 achievements.
Discover following landmarks of Oregon: Crater Lake, Crooked River Gorge, Thor's Well and Yaquina Head Lighthouse (requires Oregon DLC)
Deliver cargo from all timber harvest sites in Oregon (requires Oregon DLC)
Discover every city in Oregon (requires Oregon DLC)
Travel across the New Youngs Bay Bridge (requires Oregon DLC)
Complete a delivery of vegetables over Cabbage Hill (requires Oregon DLC)