Yahtzee may be played by up to 15 people. The object of the game is to get the highest grand total score. Each player on his turn receives from the computer the value of 5 pseudo dice. He may then roll as many of them as he wants to again. This may be repeated once again (3 rolls maximum). To roll again, you tell the computer how many dice you want to re-roll or change and the number of each die. you play 13 rounds for a complete game.