- You will be given a random number 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 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, a new target number and gem values will be assigned.