Nobunaga no Yabou: Ranseiki

Nobunaga no Yabō: Ranseiki (信長の野望・嵐世記; Nobunaga's Ambition: Chronicle of a World of Storms) is the ninth title in the series, released February 2001 for Windows 98. This game returned to province-taking battles, and the a system of varying powers was introduced. Ports for PlayStation 2 and Xbox were made later.