Microsoft Train Simulator is described as '(MSTS) was a train simulator for Microsoft Windows, released in May 2001 and developed by Kuju Entertainment in the UK. MSTS allowed players to operate a train on various routes in Europe, Asia, and the United States' and is an app. There are more than 10 alternatives to Microsoft Train Simulator for a variety of platforms, including Windows, Steam, Playstation, Xbox and Mac apps. The best Microsoft Train Simulator alternative is Train Sim World. It's not free, so if you're looking for a free alternative, you could try Open Rails or openBVE. Other great apps like Microsoft Train Simulator are ZUSI 3 - Aerosoft Edition, Trainz Simulator, BVE trainsim and Hmmsim Metro.