Several various mini games linked together in a story: A railway is build to connect the East and West coast of the United States, and two companies are fighting to be the ones doing it. You job as Lucky Luke is to protect the quality of the line.
You need to walk around town, shooting bandits that prevents you from travelling the train.
You you later need to build a bomb and remove a boulder set on the rails - while you may be crossing paths with the Dalton Brothers and the Apache leader.
You then have a puzzle to solve, connecting branch lines of railroads by switching the right tracks.
And you have to solve a water problem between ranch owners and the Comanches at the finish line.