Shikigami II is a vertical scrolling shooter arcade game which uses the Sega NAOMI arcade system board. It was subsequently ported in Japan to the Nintendo GameCube, and then later to Dreamcast, PlayStation 2, Xbox and Windows PCs. The game was also released in the U.S. on the PlayStation 2 by XS Games as Castle Shikigami 2, and in Europe as Castle Shikigami 2: War of the Worlds. XS Games released its prequel as well, under the name of Mobile Light Force 2.