Apps similar to Bus Simulator 21 include City Transport Simulator. Other options are Motor Town: Behind The Wheel, OMSI 2, The Bus and Bus Driver Gold. In total there are five Simulation Games like Bus Simulator 21 for Windows and Mac.
The All-in-One Simulation! Drive highly detailed and licensed real buses & trams, build and design your own transport company, and grow your network in a European-inspired city.
Germany
EU
Enjoy realistic driving in the open world. Relaxing cargo deliveries or driving buses and taxis will give you enough money to buy new cars and parts. You can test your driving skills at the race track.
SpainEU
OMSI 2 is the successor of the awarded omnibus simulator "OMSI - The Bus Simulator". The player is the driver of a bus of the Berlin public transport company.
GermanyEU
The Bus is the next generation of city bus driving simulation set in the capital of Germany, Berlin. Transport passengers on different lines across the city with various busses. Manage your fleet and team up with other drivers online.
Bus Driver is a unique driving game for Windows and Mac by SCS Software, created using OpenGL. The game was completed in March 2007 and with a full feature 1 hour demo.
CzechiaEU
