Nobunaga's Ambition II is a turn-based strategy game released for MS-DOS in 1989 by Koei. Set in Japan's Sengoku period, players control a daimyō aiming to unify the country through warfare, diplomacy, and resource management. The game features two scenarios, including one where Oda Nobunaga holds significant power. Known for its depth, it allows up to four players in hotseat mode and is praised for strategic gameplay and historical accuracy.