_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.