The 13 white boxes on the left form the scoring column. When the dice have been rolled, you can move the pointer to an empty box to see what score you would earn. Click within the box to accept that score. The number to the left of the top part of the column keeps track of your pace for the 35-point upper section bonus.
If you earn bonus chips for multiple Yahtzees, these will appear on the bottom right.
Press the green "new game" bar at any time to cancel the current game and start a new one.
Yahtzee Rules: In each turn you roll the dice up to three times to obtain a scoring combination. At the end of the turn, you must select one of the 13 score groups; the score you receive depends on the dice and which group you selected. The game ends after 13 turns, when all score groups have been filled.
On the first roll of a turn, all five dice are rolled. On the second and third rolls, you may select any or all of the five dice to reroll; you may also stop after the first or second roll. After you choose to stop, or after the third roll, you must select an open scoring box in which to place your score for that turn.
Scoring:
| 1's: | The number of 1's thrown. |
| 2's | Twice the number of 2's thrown. |
| 3's | Three times the number of 3's thrown. |
| 4's | Four times the number of 4's thrown. |
| 5's | Five times the number of 5's thrown. |
| 6's | Six times the number of 6's thrown. |
| 3 of a kind | The total value of all dice, assuming at least three of them are the same. |
| 4 of a kind | The total value of all dice, assuming at least four of them are the same. |
| Full House | 25 points, if the dice show three of one value and two of another. |
| Small Straight | 30 points, if at least four of the dice are consecutive (e.g., 1-2-3-4-x). |
| Large Straight | 40 points, if the dice values are five consecutive numbers. |
| Yahtzee | 50 points, if all five dice are the same (five of a kind). |
| Chance | the total value of all five dice. |
The top six boxes comprise the upper section. Each of these is scored as the combined values of all dice showing that number. At the end of the game, a bonus of 35 points is awarded if the total of these six boxes is at least 63, an average of 3 of each number.
The bottom seven boxes comprise the lower section. In all but Chance, you take a score of 0 points if you select it without having fulfilled the condition for receiving points.
If you roll more than one Yahtzee, you receive a bonus chip (worth 100 points) for each one after the first. Note that you must have scored the first one as a Yahtzee; if you have entered a zero in your Yahtzee box, you cannot receive a bonus chip.
If you roll a Yahtzee and both the Yahtzee box and the appropriate box in the upper section have been filled, you may use the Yahtzee for full credit in Small Straight, Large Straight or Full House. Note that this applies even if you scored a zero in Yahtzee, although you only get a bonus chip if you had scored a Yahtzee. For example, if your Yahtzee box and sixes box are filled and you roll five sixes, then you may score 25 points in Full House, 30 in Small Straight or 40 in Large Straight.