Extremely Rare ZAKU for the atari lynx handheld game system is a horizontal shoot em up Developed over a six-year period by PenguiNet with the aid of an official Lynx development kit, the game takes full advantage of the Lynx's unique features and hardware. Atari lynx console was originally released in 1989. Zaku was first shown to the public as a playable demo on October 27, 2007 at the Retro-gaming Connexion event in Congis-sur-Thérouanne, France. The finished game was officially released on October 24, 2009 by North American company Super Fighter Team at the price of $40 per copy. The game is 4-megabits (512 kilobytes) in size.