A train simulator is a program or software that lets users experience a virtual train journey. These simulations allow users to control and operate a digital train and experience various scenarios like scheduling, route planning, and speed control. There are many synonyms for the term train simulator, such as train games, railroad simulators, locomotive simulators, and rail simulations. These synonyms represent the various aspects of a train simulator and the features available for users. Some popular examples of train simulators include Microsoft Train Simulator, Trainz, and Railworks. These games offer an immersive experience to train enthusiasts and help them experience the thrill of controlling a train in a safe and secure environment.