The Ultimate Trainz Collection includes 2 CDs full of dynamic railroad action. All of the excitement of Collecting, Creating and Controlling your own railroad with the newest version of Trainz, plus tons of added features. With something for every type of train fan ? driving, route building, operations, signaling and more ? Ultimate Trainz Collection offers endless hours of creativity as you add to your empire, download new items, take screenshots, run your favorite locos and build your own unique world. Then you can share it with thousands of other train buffs from around the world online ? the ultimate Trainz experience!