Trainz Simulator is a comprehensive and realistic train simulator developed by N3V Games. It is an ultimate railway hobbyist's platform where users can build, manage, and operate their own railroads and even share the experience with others. Players can drive trains, operate signals, lay tracks, build landscapes, create activities and scenarios, and more. It features an intuitive interface that allows users to easily create and manage their own railroads. They can also customize the look and feel of their creations with detailed textures, sky, and weather settings. Trainz Simulator also has a wide selection of locomotives, rolling stock, and scenery items from various eras and locations. The game also provides access to a community of fellow players, where players can collaborate and share their experiences, as well as access exclusive content and DLC.
openBVE
BVE trainsim
Open Rails
Dovetail Games Train Simulator
Microsoft Train Simulator
Discontinued support for Microsoft Train Simulator ended on July 11, 2006: https://support.microsoft.com/en-gb/lifecycle/search/1084