Take up arms as the Muslim resistance in the fight against the European Crusades in the dramatic new single player campaign. Follow the story of well-known Muslim leaders, their struggles with the Crusaders, and the battles they fought.

In addition to a brand-new campaign, this feature-packed expansion includes two completely new playable civilizations, the Japanese and the Byzantines, and four playable variant civilizations which revisit and re-imagine civilizations first introduced in the main release of Age of Empires IV. It also includes ten new maps, new unlockable rewards and more.