However, Microsoft Train Simulator was an open platform and a host of content both free and commercial has been developed for it.
Microsoft Train Simulator, which was launched in 2001, was very successful but Microsoft had several false starts at developing it further and these came to an end in 2009. The project provides a train simulator for the largest collection of digital content in the world - routes, rolling stock and activities - initially developed for Microsoft's Train Simulator product. Open Rails: free train simulator that supports the world's largest range of digital content. Open Trails is a free open-source train simulator created by Open Rails Team.
