Rules of the Game:

(1) You will be shown a random number at the start of the game.
(2) There are four crystals below. By clicking on a crystal you will add a specific amount of points to your total score.
(3) You win the game by matching your total score to the random number, you lose if your total score goes above the random number.
(4) The value of each crystal is hidden until you click on it.
(5) Each time the game restarts the value of each crystal changes.