Aoki Ookami to Shiroki Mejika: Genchou Hishi (Genghis Khan II: Clan of the Gray Wolf) is a deep historical strategy game from Koei. Set across Eurasia from the 12th to 15th centuries, players aim to unify the world under their rule. The game offers four distinct scenarios, allowing you to play as Genghis Khan or other historical leaders like King John of England. Key features include an intricate domestic management system, diplomacy, and a unique 'Harem' system for producing heirs to secure your legacy. It is widely praised for its historical accuracy and the immense strategic depth characteristic of Koei's legendary simulation titles.