Summary from the box ... "It's a fast paced battle at sea. It's an action packed game for the whole family." Instructions (from box lid) ... "To Set Up Each player places six of the steel balls in the loading slot of his torpedo gun. Each player sets up three ships in the notches at his end of the game board. To Play The object is to knock over the opponent's ships with the torpedoes (the steel balls). First, turn the torpedo tubes to the direction of the enemy ship, by using the target finder through which you can sight the ship. Then, fire the torpedoes by pressing the trigger. Players may rotate turns or fire simultaneously. Each player totals his score for the ships he has sunk. 100 is a perfect score."