Sid Meier's Civilization IV: Warlords Expansion Pack - PC Bring new leaders into pre-existing Civilizations to help them advance Strive for world domination in this expansion pack to the award-winning game Play as legends like Alexander The Great and Genghis Khan 6 new civilizations and associated unique units; 3 new wonders 6 unique and interesting scenarios; 10 new leaders; 2 new leader traits Bring new leaders into pre-existing Civilizations to help them advance Strive for world domination in this expansion pack to the award-winning game Play as legends like Alexander The Great and Genghis Khan 6 new civilizations and associated unique units; 3 new wonders 6 unique and interesting scenarios; 10 new leaders; 2 new leader traits