A train simulator (also railroad simulator or railway simulator) is a computer based simulation of rail transport operations. They are generally large complicated software packages modeling a 3D virtual reality world, with 'play mode' software which lets the user interact by stepping inside the virtual world. Some, like the first Microsoft Train Simulator are written and modeled for the user mainly interested in driving.
Like flight simulators, train simulators have been produced for railway training purposes. Driver simulators include those produced by:
Rail Simulator (Kuju Rail Simulator) is a train simulation published by Electronic Arts (EA). It was produced by UK based Kuju Entertainment, the company which developed Microsoft Train Simulator (MSTS) with Microsoft. After release of the EU version, EA's support and further development of the title was taken over by Rail Simulator Developments Ltd (RSDL), who continued to provide updates, fixes, official expansion packs and new content to players. RSDL has also released a much anticipated sequel to the first game called RailWorks, both online and on DVD-ROM.
Steam, diesel and electric traction trains, keyboard or mouse control of throttles, brakes and switches with three control modes for varying player skills. A variety of scenarios are available as well as an exploratory style free roam mode. Cargos and passengers are animated, and weather changes dynamically with time. The game has been criticized by reviewers for not providing enough help for newcomers to train simulation, and lack of complete instructions in the guides.