Samurai Warriors 4[a] is a 2014 hack and slash game by Koei Tecmo for PlayStation 3, PlayStation 4, and PlayStation Vita, and the sequel to Samurai Warriors 3. Unlike past Samurai Warriors games, this one only has Japanese voice overs. A revised version of the game titled Samurai Warriors 4-II[b] was released the following year in 2015 for PlayStation 3, PlayStation 4, PlayStation Vita, and Windows via Steam. This version features Naomasa Ii as a playable character, an improved Story Mode which focuses on the various characters, Survival Mode, upgrade to action balance, cut-scenes and character development system. An enhanced version of the games titled Samurai Warriors 4 DX[c] was released for Nintendo Switch and PlayStation 4 in Japan in 2019, and for Windows (via Steam) worldwide with Japanese and English support in May 2024. This edition contains more than 150 previously released DLC from Samurai Warriors 4, including costumes, weapons, customization parts, scenarios, and background music. A reboot of the series titled Samurai Warriors 5 was released in June and July 2021 for Nintendo Switch, Windows, PlayStation 4, and Xbox One.