Shikigami no Shiro (式神の城, lit. Castle of Shikigami), released in North America and Europe under the title of Mobile Light Force 2 and in some PAL regions as MLF2 - Mobile Light Force 2, is a 2001 shoot 'em up developed by Alfa System and is the first game in the Shikigami no Shiro series. It was originally released as an arcade game and later ported to the PlayStation 2, Xbox, and Microsoft Windows. The game was titled Shikigami no Shiro Evolution (式神の城 Evolution) for its revised version for Xbox, which was then ported to Windows as Shikigami no Shiro EX (式神の城 EX).