- You will be given a random Target 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 Number.
- You win the level by matching Your Number to the Target Number, you lose the level if Your Number goes above the Target Number.
- The value of each crystal is hidden from you until you click on it.
- Each time when the game starts, the game will change the values of each crystal.
- Win 10 levels to win the game. Game Over after 10 losses.