: Features 30 officially licensed buses from manufacturers like MAN, Mercedes-Benz, and Volvo. This includes new additions like double-decker and electric buses.

Bus Simulator 21 introduces several upgrades over its predecessor, Bus Simulator 18, including a more immersive world and advanced management options.

: The game includes a real-time day and night cycle with smooth weather transitions that affect driving conditions.

: Players can explore "Angel Shores," inspired by the US East Coast, and "Seaside Valley," a European-themed city.