Screw Drivers turns vehicle design into the central attraction: players create machines to challenge a group of royals who believe their cars are the best in the world. The build editor supports cars, trucks, tanks, planes, and other inventions, with the choice between realistic engineering and deliberately ridiculous designs. That broad construction premise gives the racing a personal twist: each vehicle reflects the player’s own ideas rather than a fixed selection of cars.
The engineering has tangible detail. Players can combine combustion and electric engines, then route power through axles, gears, and suspensions to drive the wheels. The description even invites builds with many wheels, propellers, pistons, or engines, provided the transmission is engineered. Monarchs also use different building blocks to activate special mechanical features in their vehicles; beating their creations unlocks additional engines, wheels, and gears. The game therefore connects its challenge progression to experimenting with vehicle parts and mechanisms.
Beyond those challenges, players can start a multiplayer server and invite friends to race around an island across tracks and challenges. The combination of construction, engineering, and racing is the defining context for Screw Drivers.