The new version contained a range of new features and enhancements, including enhanced menus, the new RS Cab Control driver interface and new RS Career System scenarios. Retail versions were released later that year. The first major update to RailWorks was RailWorks 2: Train Simulator, released on Steam on 18 October 2010 under the name RailWorks 2. The current version, Train Simulator Classic, was released on 26 April 2022.

The core game has received several updates since release, including major new versions RailWorks 2: Train Simulator, RailWorks 3: Train Simulator 2012, Train Simulator 2013, Train Simulator 2014, Train Simulator 2015, Train Simulator 2016, Train Simulator 2017, Train Simulator 2018, Train Simulator 2019, Train Simulator 2020, Train Simulator 2021 and Train Simulator 2022, released between 20, respectively. Steam is used to deliver additional routes and locomotives in the form of paid downloadable content.

It is a Steamworks title, which means it uses and requires Steam to activate and to deliver core game updates. It is the successor to Rail Simulator, and was released online on 12 June 2009 and in stores on 3 July 2009. Train Simulator Classic (originally RailWorks and Train Simulator) is a train simulation game developed by Dovetail Games.

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