- Playable Native American civilizations. Lead one of three proud Native American civilizations, including the Iroquois Confederacy and the Sioux Nation, to expand their empires and fight for control of the Americas. Each Native American civilization will have its own unique units, led by the powerful WarChief unit, buildings reflecting each culture’s architectural style, and a distinct approach to their Home City feature.
- Gripping new single-player campaign. Age of Empires: The WarChiefs will introduce a new single-player campaign that continues the saga from Age of Empires III. Play through 15 new missions with a rich story and a cast of characters that interact with real historic figures and events.
- Enhancements to European civilizations. The expansion pack will also provide exciting additions to existing European civilizations, with new Home City content, new units including new mercenaries, and new ways to look at your card deck.
- Extended gameplay. Gamers will experience more of everything, including new random maps in unique locations in the Americas not featured in the original Age of Empires III, additional native allies and units, more statistics tracking, and new ways to play.