Experience the power of the WarChief in the new expansion for Age of Empires III! In Age of Empires® III: The WarChiefs, play as one of three new civilizations - Aztec, Iroquois, or Sioux - each with unique units, buildings and abilities that will test your strategic mettle. Use upgrades for the European civilizations from the original games to earn civ-specific bonuses, build units at a new mercenary saloon, collect new Cards, and battle toward victory with the new Revolution feature. Explore the new single-player Campaign and follow the continuing tale of the Black family as they witness the birth of a new nation.