Fourth installment in the turn-based strategy series Civilization, adding new tools to manage and expand your civilization, all-new easy to use mod capabilities and intense multiplayer modes... Read allFourth installment in the turn-based strategy series Civilization, adding new tools to manage and expand your civilization, all-new easy to use mod capabilities and intense multiplayer modes and options.Fourth installment in the turn-based strategy series Civilization, adding new tools to manage and expand your civilization, all-new easy to use mod capabilities and intense multiplayer modes and options.