You will be given a random number at the start of the game.
There are four crystals to the right. By clicking on a crystal you will add a specific amount of points to your total score.
To win the game try matching your 'total score' to the random number generated; you lose the game if your total score goes above the random number.
The value of each crystal is hidden from you until you click on it.
Each time the game restarts the values of each crystal will change.
Your total score is: