Railroad Revolution, a game about the expanding railroad lines in the United States, puts the players in the shoes of people like Cornelius Vanderbilt and James Hill. To become the Vanderbilt of the cardboard United States you must use your resources wisely to build the most efficient line.
In ZhanGuo you are officials who work for the first Emperor of China. You try to help him with unifying the warring states (ZhanGuo). You have to unify the writing system, create a political system, keep civil unrest under control and at the same time help construct the Great Wall of China to stop the barbarian hordes from invading, and thus by creating security, also help creating the state; the Chinese Empire.