Open Rails - Open Rails is an open source simulator that is designed to run Microsoft Train Simulator content.
OpenTTD - An open-source clone of the classic game ...
Trainz Simulator - Trainz Simulator is a commercial train simulator from Australia.
Transport Fever - Transport Fever is an Adventure-based, Management, Strategy, Economy, Sandbox, City-Building and Single-player video game developed by Urban Games and published by Gambitious Digital Entertainment.
openBVE - openBVE is an open source train simulator
Railroad Tycoon - Railroad Tycoon is a very first installment in the series of Railroad Tycoon that was released in 1990 developed by MPS Labs and published by MicroProse.