A game of remarkable depth, Civilization IV spans the entirety of human history, from the stone age to the space age. At the start you choose the nation you want to lead. At first, your people are primitive stone-age villagers and its your job to guide their development and research technologies to drive their advancement. They begin by discovering more primitive technologies such as sailing, archery, mysticism, and mining; eventually - if they survive - you will lead your people to the modern era and beyond, becoming the greatest ruler in history.
