Samurai Warriors 4 (戦国無双4, Sengoku Musou 4) is the fourth main entry in the Samurai Warriors series. Plans for its development was first revealed on Hisashi Koinuma’s Twitter and its console availability was later announced at SCEJA Press Conference 2013. The title is being made to celebrate the series’s tenth anniversary.
Koinuma returns as producer; Osamu Mieda returns as director; Yojiro Yoshimatsu returns as sound director. The overall theme for this title is “to tell the history of the era’s unification” with a Samurai Warriors twist. Koinuma commented that the new story telling method gives more coverage to the “losers” of history in a way which he thought was neglected in previous titles. They believe this title combines traits which fans from any part of the series could appreciate. He stated the main theme for the scenarios is “separation”.