YAHTZEE is a strategy game between two players based on fortune in rolling dices. Yahtzee is played in turn. Aim of the game is to score as many points as possible. Each player can roll the dices for three times to obtain a combination that gives points. After the first and the second rolling, the player can select the dices to roll again. The unselected dices won't be re-rolled. When the player in turn obtains a favourable combination of the dices (or after the third rolling), he must click with the mouse on the selected category in his score-table. A player can not select twice the same category. The game ends when both the players have filled the 13 categories in their score-table.