Trainz is a computer program that allows you to create your own Railway. It was developed by the Australian developer "Auran". The game comes in 3 areas: Routes, Railyard and Scenarios. Routes has 3 seperate areas inside it: Surveyor - where you can create and change Routes, driver - where you can drive along surveyor routes, and Routes - where you can see all the routes. Railyard is where you can see all your trains. Scenarios is where you can earn points by doing missions. They are different versions, The latest one is Trainz 12. The program works with Windows XP and its later versions, as well as Mac OS 10.6.8 and its later versions. 