This content brings the United States as a playable civilization to Age of Empires III: Definitive Edition for the very first time. The United States civilization provides a broad range of new content, including: a unique Explorer & Home City, 9 units, 2 buildings, and Home City shipment cards specific to the United States. In addition, a brand-new Age up mechanic allows the advancement of the civilization by choosing from different States, which provides special shipment cards and bonuses that conform to every playstyle.* For a limited time only, the USA Civ can also be unlocked in-game by completing the 50 States special challenge.