Open Rails - Open Rails is an open source simulator that is designed to run Microsoft Train Simulator content.
Stardew Valley - Stardew Valley is a 2D Awesome, Action, Role-playing, Crafting, Top-down, Building, Sandbox and Single-player video game create by ConcernedApe and published by Chucklefish.
Trainz Simulator - Trainz Simulator is a commercial train simulator from Australia.
TheoTown - A City simulation game with great nostalgic graphics.
openBVE - openBVE is an open source train simulator
Rail Nation - Become a logistics tycoon in this fascinating railroad strategy game.