Dynasty Warriors (?·???? Shin Sangoku Muso Shin Sangokumusou in Japan) is a game in the Dynasty Warriors series for the PlayStation Portable created by the game development company Koei. This game was released as a launch title in Japan on December 16 2004 and as a launch title on March 17 2005 in North America and September 1 2005 in Europe. The sequel to this game is Dynasty Warriors Vol. 2. The gameplay expands on the Dynasty Warriors series by adding new characters new modes to play and an archive library which features a gallery of the character artworks as well as game movies.