4th edition of one of the best games overall management: it is to choose a nation known (Egypt, China, Argentina, ...) and to develop his nation through conquests, technology and diplomacy. It is possible to change political regimes with different doctrines, diplomacy is refined (most developed is not necessarily the enemy), technologies necessary resources supplies that sometimes complicate development. We appreciate the appearance of generals may constitute armies, conquests lovers appreciate. You can download maps and mods on various sites on the internet that allow you to discover new worlds. For scenarios available in the official versions, there is a severe lack of finesse but fans create in much better.