You will be given a random number at the start of the game.
There are four crystlas below. By clicking on a crystal you will add a specific amount of points to your
total score.
You win the game by matching your total score with that of the random number, you lose the game if your total
score goes over the random number.
The value of each gem is hidden from you until you click on it.
Each time the game starts, the game will change the value of each crystal.
