Bus Simulator 2021 is a mobile game developed by Thetis Games and Flight Simulators. The game is a simulation of driving a bus in a real city, featuring 12 different buses to choose from. The player must pick up passengers along the routes and configure the bus to make the driving experience as realistic as possible. With over 360 routes and more than a thousand stops and stations combinations, the game provides a challenging and engaging experience for players.

The game features realistic traffic, street lights, cars driving on city streets, and pedestrians. The player must follow the bus stops, stations, travel schedules, and stops during the journey. The game also includes people getting in and out of the bus at the stops, time, and weather conditions. The huge map provides hundreds of miles to drive through, making the game a unique experience for players. With outside cameras and a functional interior for each vehicle, players can immerse themselves in the game and experience a realistic driving simulation.