Fighting Simulator: 2-in-1 Flying Warriors (known in Japan as Hiryuu no Ken Gaiden) is an action and fighting game in the Hiryuu no Ken game series. The game was remade in Japan as Hiryuu no Ken Retsuden GB for Game Boy Color, released exactly ten years after the original. A villainous group, the Dark Dragons, are invading Dragon Mountain and it is up to Ryuhi to stop them from acquiring the Hiryuu Medal.