Car Mechanic Simulator 21 invites players to dive into the world of automotive repair, tackling various issues by replacing car parts. Players can seek out vintage cars tucked away in garages, meticulously restore them for resale, and enhance their mechanics skills. The game involves diagnosing engine malfunctions, fixing suspension and brake issues, and revitalizing the car’s aesthetics by treating rust and applying fresh paint. Successful restorations yield profits that can be reinvested into better tools, expanded garage space, and new vehicles, making it an engaging experience for aspiring virtual mechanics.