A random number will be displayed at the start of the game.
There are four crystals 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 to the random number, you lose the game if your total score goes above the random number
The value of each cystal is hidden from you until you click on it.
Each time when the game starts, the game will change the values of each crystal
Your Total score is: