"18 Wheels of Steel" is a series of truck simulation video games developed by SCS Software. Players take on the role of a truck driver, managing their own trucking company while delivering cargo across various locations in the United States. The game features realistic driving mechanics, a variety of trucks, and a detailed map of cities and highways. The series includes several titles, such as "18 Wheels of Steel: Across America" and "18 Wheels of Steel: Haulin'." Players can customize their trucks, choose routes, and experience the challenges of long-haul trucking. The games aim to provide an immersive experience of the trucking industry.