Taikō Risshiden IV - Hanazumi Taiken Dai Ippenban

太閣立志伝 IV: Hanzi Experience First Edition for PSP is a strategy RPG game where you play as any of approximately 600 historical figures from Japan's Sengoku period, including all possible protagonists like Oda Nobunaga, Toyotomi Hideyoshi, and others. Gameplay features card-collecting to recruit characters, diplomacy, internal governance, diplomacy, command, military, and charm stats that reach up to 100, with 16 skills and a protagonist card system unlocking new playable warriors for future games. Battles include specialized card combat, personal duels, field battles, and sieges using tactical special cards. Story follows the rise of Hideyoshi amid wars, with ninja village training for upgrades. It stands out for its high freedom, animation-style character portraits, and unique 'all characters as protagonists' mechanic not found in standard historical simulations.