Open Rails - Open Rails is an open source simulator that is designed to run Microsoft Train Simulator content.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
openBVE - openBVE is an open source train simulator
Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.
Microsoft Train Simulator - Microsoft Train Simulator was a commercial train simulator for Microsoft Windows.
Age of Empires - Age of Empires is the critically acclaimed, award winning Real Time Strategy (RTS) game with a legacy spanning over 20 years and nearly a dozen titles in the franchise.