During the game

What is a concealed hand?
A concealed hand is a hand that does not allow for exposures. In other words, you cannot call a discard and expose tiles. If you do and later call Mah Jongg...
Mon, Aug 23, 2021 at 12:49 PM
For the 5th consecutive run hand of the NMJL 2021 card, can I only use 1s, 2s and 3s?
No, the run can be any 3 consecutive numbers, not just 1s, 2s and 3s. In general, consecutive runs can start with any number, unless otherwise indicated.  ...
Mon, Aug 23, 2021 at 12:56 PM
What does "broke hand" mean?
At the end of the game, the bots show which hand they were working towards. Level 2 and 3 bots have the ability to play defensively, which means that if the...
Fri, Oct 22, 2021 at 9:19 AM
Can you clarify Winds-Dragons line 2 on the 2021 card?
The way this hand is labelled ("any like odd-even") is sometimes confusing, especially for beginners. Limited space forced the authors of the card...
Fri, Oct 29, 2021 at 11:37 PM
When can I substitute numbered tiles for those shown on the card?
In general, for "number-based" sections (year section, 2468, 13579 and 369), you have to use the numbers stated on the card. For Consecutive Runs ...
Sat, Feb 17, 2024 at 12:22 PM
Do I have to use audio and video when playing live games?
While it's certainly not required that you use audio and/or video when playing a live game, it is encouraged. Mah Jongg is a social game and it's ...
Wed, Aug 3, 2022 at 10:23 PM
I called for a discard but someone else got it. Why?
According to National Mah Jongg League rules, if 2 or more players call for the same tile: The player closest to the discarding player (in counter-clockwi...
Sat, Aug 6, 2022 at 4:19 PM
Why is my hand dead?
If your hand has been called dead and you're not sure why, here are the most common reasons. Please look at your hand and consider each of the following...
Sun, Feb 11, 2024 at 8:32 PM
Can I undo a move?
Our game follows National Mah Jongg League rule. So whether you can undo a move or not depends what you're trying to undo and at what point.  Once y...
Sat, Feb 3, 2024 at 3:41 PM
I have lost connection with other players
Sometimes players lose their internet connection, which interrupts the game. These interruptions are usually brief and the game will resume automatically. H...
Sat, Feb 3, 2024 at 4:15 PM