Age of Empires II: The Age of Kings/The Crucible

The nomadic tribes of the deserts and steppes north of China, after spending centuries entangled in their own petty turf wars, finally have the hope of unification. Genghis Khan, leader of a tribe that is so small even in the standard of Mongolians, is ready for his conquest of Asia and even the world. Within years, he organized a highly disciplined army pours of horse archers to challenge the dominance of cultured Persia and Eastern Europe, and the technogically advanced empires in China.