Hikou no mizu is a fighting game with an anime and manga theme. There are currently two player characters (Hikou and Takino), controllable by keyboard or joystick, and a variety of interactive arenas of different sizes. Players can move left and right, jump and crouch, and can attack by either punching, kicking or chucking a throwing star. There can be as many as five players on one screen, which can include computer controlled players. The winner of the match is the last one standing.