Dividing the installation into two separate plotting tables forms a competitive multi-player environment. This follows the design of the 1950s game of Battleship, which allows both players to see each other without exposing any strategies. Fog of war simulates a real-world naval battlefield, as allied ships are completely visible while opponents are only visible when in range of attack.
Digital still of the virtual battlefield seen through the tangible lens. Allied ships (white sails) are always visible and opponent ships (black sails) are only visible when in range. The shroud of the fog hides one of the enemy ships.