Train Sim is a relaxing train simulation game focused on driving trains and exploring a variety of railway environments. Players can operate steam, diesel, electric, passenger, freight, subway, and high-speed trains from exterior or cab views while managing speed, doors, track switches, weather, and time of day. The game also features a creative mode that allows players to build and customize their own railway environments and share their creations. Designed to be approachable for players of different ages and experience levels, Train Sim combines train simulation with exploration, creativity, and open-ended play.