ウェブ"Nobunaga's Ambition: Taishi" is the 15th entry in the historical simulation game series Nobunaga's Ambition. Where a warrior's resolve exceeds their ambition. We offer the grandest warring states experience to all the fans out there! All Reviews: Mixed (751) Release Date: Nov 29, 2017. Developer: KOEI TECMO GAMES CO., LTD. Publisher: