Demon's Souls is an action role-playing game developed by FromSoftware for the PlayStation 3 under the supervision of Japan Studio. It was published in Japan by Sony Computer Entertainment in February 2009, in North America by Atlus USA in October 2009, and in PAL territories by Namco Bandai Games in June 2010. The game is referred to as a spiritual successor to FromSoftware's King's Field series.