MaSzyna is a free, polish train simulator. The program allows you to put yourself in the role of a train driver and conduct a large number of locomotives/trains, for example EU07, SM42, EP09 or electric multiple unit EN57. This application is constantly being developed and improved. Its authors are people for whom the railway is not only a means of transport, but also a hobby.

Characteristics of vehicles is what distinguishes MaSzyna among similar simulators dealing with the railways. Most devices controlled by the user behave in accordance with the common laws of physics. The authors also try to reproduce as accurately as possible vehicles, models and sceneries. Process of making add-ons proceeds according to various technical guidelines and regulations