Coordinate the goods traffic with the available shunting locomotives and by using the hump yards in the most efficient way. In the career mode you start working in a small marshalling yard. By and by, due to your efforts, you work your way up to bigger marshalling yards. A level is considered to be solved, if the trains have been arranged correctly. But be careful, unpredictable events always affect the current happenings, such as problems with the wagons such as axle or fire damages and defects of railway tracks. The environment of the marshalling yard also affects the game run. The proximity to a forest e.g. causes an increased transportation of timber. As soon as you have successfully accomplished ten tasks you will be promoted to a bigger marshalling yard. Different locations with countless tasks are waiting for you.
