Onimusha 3: Demon Siege, release in Japan as Onimusha 3 (鬼武者3, Onimusha Surī?), is an action-adventure game developed and published by Capcom. It is the third game of the Onimusha series and was released for the PlayStation 2 on April 27, 2004. It was later ported to PC Windows on December 8, 2005.