This is a two-player game that requires two devices. Drag the little red and white squares over the board to color those squares the corresponding color. Dragging the pink square to the board erases the color it is put on. This is used to correct mistakes in placement of red or white squares. Click when hovering over a ship to rotate it. Click p1 or p2 button (depending on which is already lit up) to signify your readiness. Click a square on the black board (representing your opponent's board) to launch an attack. the opponent should respond by clicking on the Hit or Miss buttons and turning the light beneath green. The opponent will then click a square on their black board (representing your board) and you will preform the opponent's previous actions as described above.