: The roster tracks the shift from local State Militia and marksmanship-focused Sharpshooters to a professional army led by a General hero unit. Historical & Campaign Narrative

The U.S. is also available as a option for European civilizations like the British or French, allowing players to transition into the United States during the later stages of a standard match.

Featured in the original story mode, following as she helps the newly established U.S. expand westward during the 19th century.

In Age of Empires III: Definitive Edition , the story of the civilization is told through two distinct lenses: its inclusion as a playable DLC civilization and its role in specific historical and campaign scenarios. Playable Civilization Story

A specialized scenario where players lead and a mix of Regulars and Volunteers to defend the city against British forces. Campaign: Act III (Steel)

: Instead of selecting a single politician to age up, players select specific U.S. states (e.g., Delaware, Pennsylvania, California) to join the Union, each providing historically themed bonuses and unique cards.