Complex barriers with cannon. Then press the letter keying the game you wish to select. Press 1 on the alpha-numeric keyboard. Hawk hunter-killer jets cruise the skies. Shark missile-launching submarines lurk beneath the ocean.
Neutral ships sail on the water's surface.
A digital timer immediately starts counting down a three minute engagement at the top of the screen. Digital scoring indicators flank the bottom of the screen. They are color coded to match the planes and the subs. The right hand control unit controls the submarine. Pull the joy stick towards you to submerge.