Train Sim World is a series of train-simulation games developed by Dovetail Games. There have been eight iterations, including the initial Train Sim World: CSX Heavy Haul in 2017, after which came the Xbox One exclusive Train Sim World: Founders Edition in 2018. Train Sim World was released the same year, followed by Train Sim World 2020 in 2019 and Train Sim World 2 in 2020. Since the release of Train Sim World 3 in 2022, there has been a new release every year.