Ad free Version of Train Sim. The #1 Train Simulator with over 12M downloads! Features. Awesomely realistic 3D graphics. 42 realistic 3D Train Types. 27 Train Car Types. 8 realistic 3D environments. 1 Kids Scene with Toy Trains. 1 Underground Subway Scene. Cab views for all trains. Train derailments. Kid friendly. Realistic sounds. Easy controls. Regular content updates.