The App

Play American Mahjong on your phone

Bam Dot Crack is a free American Mahjong app for iPhone, iPad and Android, built on NMJL rules. Play with friends at a private table, join a live table with players from anywhere, or practice against bots.

Three ways to play

Friends Tables

Set up a private table and play with the people you already play with, in any city.

Live Tables

Join a ranked game with players from anywhere, with skill-based matchmaking and tournament-style scoring.

AI Table

Practice against bots at easy, medium or hard. Good for learning the card, or for a quick game on your own.

What's in it

Built on National Mah Jongg League (NMJL) rules. Upload your own 2025 or 2026 NMJL card and play with it in the app
Help Yourself, which reads your rack and shows the hands you're closest to and how many tiles you still need
Ranked play with leaderboards by day, week, month and year
Emoji reactions at the table
Free on the App Store and Google Play
Works on iPhone, iPad (iOS 18.2 or later) and Android

New to the app?

Our 3-minute walkthrough covers setting up a table, finding your card, sorting tiles and calling. More questions? The FAQ has answers.

In the works Bam Dot Crack en español.