Trainz Simulator 2009: World Builder Edition
is a railroad simulation game in the Trainz series
. Like in previous games you can drive trains in a large array of different locomotives and wagons. There are scenarios that test your skills and tutorials that teach you all the basics of handling a train. The game features all content from previous releases plus some extra new material, all presented in an updated engine. You can build your own tracks and scenarios and download new content from an online portal.