NOBUNAGA’S AMBITION: Haouden with Power Up Kit / 信長の野望・覇王伝 with パワーアップキット

"NOBUNAGA’S AMBITION: Haouden with Power Up Kit" is an expanded version of "NOBUNAGA'S AMBITION: Haouden," which was released in 1992 as the 5th game in the series. Up to now in the series, warfare was focused on whole countries. Haouden changes that focus towards individual castles.