Nobunaga no Yabou: Haouden

Nobunaga no Yabō: Haōden (信長の野望・覇王伝; Nobunaga's Ambition: Tale of the Conqueror) is the fifth title in the Nobunaga no Yabou series, released December 1992 for PC-98, then quickly ported for various japanese computers. This is the first game with an expansion pack. Battles were changed from taking provinces to taking castles. Releases for Super Famicom, Mega Drive, Sega Mega-CD, 3DO, Mac OS, PlayStation, mobile phones, and Windows were made subsequently.