Microsoft Train Simulator is a train simulation video game developed by Microsoft and released in 2001. It allows players to operate various types of trains across realistic routes, featuring detailed landscapes and authentic train physics. The game includes a variety of scenarios, from simple passenger runs to complex freight operations. Players can choose from different trains, including steam, diesel, and electric locomotives, and can customize their experience with add-ons and user-created content. The game aims to provide an immersive experience for train enthusiasts and offers educational insights into railway operations and management.