The game has 13 numbers and one Tool, a number will appear on the top left side, click the following 6 from bottom to top 6 matrix, click the number on the upper left to subtract one or add one. If it is 13, you can click 1, and then destroy the following buttons in order to destroy all the matrices in turn. Clicking the correct button will add points, and clicking the wrong button will deduct points to win the game. The bottom invisible numbers and color cards are used when the game is in a desperate situation. Clicking on the cards below will refresh the number on the top left to refresh the game. Note that there are only 19 cards below. If you click 19 times, you will have no chance to refresh. Please pay attention to the number of uses. Your score will be deducted for each click. If It means to restart. You can click the button in the matrix at will according to the click rule of the matrix