You will be given a random number at the start of a game.

There are four bitcoins to the right. By clicking on a bitcoin you will add a specific number 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 bitcoin is hidden from you until you click on it.

Each time the game starts or restarts, the game will change the values of each bitcoin and the number to be matched.