The goal of the game is to click on the square containing the number 30. The game is turn based: you the player and the computer both take alternative turns until the game is over. Each turn allows up to 3 squares to be removed from play, with the conditions the squares are consecutive. At least 1 square must be removed per turn. When you are done with your turn, simply click "End turn" and the computer will make its move. To reset the game click on "Reset".