
Many players mistakenly believe they can score a second Yahtzee in the Yahtzee box, but the official rules require using it as a Joker once that category is filled.
According to the Hasbro Gaming Official Rulebook, if the YAHTZEE box has already been filled, you must use the roll as a Joker by scoring it in an appropriate open box in the Lower Section.
Yahtzee Official Rules [edition not specified]
These rules correspond to the UK edition of Yahtzee.
Official Rule Breakdown
When a player rolls a second Yahtzee during the same game, it can only be scored in the YAHTZEE box if that box is still open. According to the official rules, if the YAHTZEE box has been previously filled with 50 or zero, and the appropriate box in the Upper Section has also been filled, the player may use the Yahtzee as a Joker. This allows the player to score the total of all five dice in a Lower Section box such as '3 of a kind,' '4 of a kind,' or 'Chance,' o…
Example Play Situation
Alice has already filled her YAHTZEE box with 50 points. On her next turn, Bob rolls five 4's. Since the YAHTZEE box is full, Alice must choose to score the 20 points (total of all dice) in her '3 of a kind' or 'Chance' box, provided they are open.

Common Misconceptions
- Thinking you can score multiple 50-point Yahtzees in the Yahtzee box
- Assuming you can score a Yahtzee in the Upper Section
- Believing you cannot receive a Bonus Chip if you use a Yahtzee as a Joker
Quick Reference
| You Can | You Cannot |
|---|---|
| Use the Yahtzee as a Joker in the Lower Section if the Yahtzee box is full | Do not attempt to score in the YAHTZEE box if it is already filled |
| Score the total of all dice in '3 of a kind', '4 of a kind', or 'Chance' | Do not score a Yahtzee in the Upper Section |
| Score 25, 30, or 40 points in specific Lower Section boxes if applicable |
Frequently Asked Questions
- What is the official rule for scoring a Yahtzee when the Yahtzee box is already filled?
- Use it as a Joker to score in an open Lower Section box like Chance or 3 of a kind.
- Can I still get a Bonus Chip if my second Yahtzee is used as a Joker?
- Yes, you still receive a Bonus Chip even if a zero is taken when using a Joker.
- What happens if all the Lower Section boxes are already filled when I roll a Yahtzee?
- You must enter a zero in a box of your choice in the Upper Section.
- How many points is a Yahtzee worth if I use it as a Joker for a Full House?
- You would score 25 points in the Full House box.






