The second game in the series, "Nobunaga's Ambition-Nation" was released in 1986. It became the first of the series to be released outside of Japan under the name, "Nobunaga's Ambition." Players take the role of one of the main characters of the period, Nobunaga Oda, Shingen Takeda, Kenshin Uesugi, or others and try to unite the entire archipelago of Japan, from Ezo in the north to Kyushu in the south, under their own rule.