# American Mahjongg Classic > American Mahjong! Battle 20 unique AI opponents. Build your own card! Canonical page: [https://chrome-stats.com/d/com.btdstudio.us\_mahjong](https://chrome-stats.com/d/com.btdstudio.us_mahjong) ## Overview - **ID:** `com.btdstudio.us_mahjong` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** BTD STUDIO - **Category:** GAME\_BOARD - **Downloads:** 19 - **Version:** 1.0.1 - **Last updated:** 2026-06-30 - **First published:** 2026-05-27 - **Publisher country:** JP - **Size:** 103 MB - **Data as of:** 2026-09-06 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.btdstudio.us_mahjong) - **Website:** [https://amc.btdstudio.co.jp/](https://amc.btdstudio.co.jp/) - **Privacy policy:** [https://amc.btdstudio.co.jp/legal\_en.html#privacy](https://amc.btdstudio.co.jp/legal_en.html#privacy) ## Description The ultimate FREE American Mahjong — right in your pocket.

Whether you're a seasoned Tuesday game veteran or picking up tiles for the first time, American Mahjongg Classic delivers an authentic, polished, and deeply customizable Mahjong experience — completely free to play.

🎮 Free to Play, Easy to Pick Up, Hard to Put Down Download and start playing immediately — no purchase required. Intuitive touch controls, beautiful animations, and a smooth UI make every game a joy. From dealing to Charleston to Mahjong — every phase is fully animated with satisfying sound effects.

🤖 20 Unique CPU Opponents Across 5 Difficulty Levels — All Free Face off against a roster of 20 distinct AI players, each with their own name, avatar, personality, and playstyle:

Speed types rush for cheap, quick hands
Power types hold out for high-scoring concealed hands
Guard types play safe and read your discards
Flex types adapt to any situation
From bumbling beginners like Timmy and Chloe to fearsome masters like ZX-99 the Robot and Atlas the Grand Master — there's always a worthy opponent waiting. Unlock them all for free just by playing!

📜 Create & Customize Your Own Pattern Card — For Free Tired of the same hands? Use the built-in Card Editor to design your own pattern card from scratch! Add, edit, and organize hand patterns with a step-by-step wizard. Set tile counts, suit colors, concealed requirements, and point values — your card, your rules. This powerful editor is included free with the app.

🃏 Full Charleston Support Experience the complete pre-game ritual: 1st Charleston, optional 2nd Charleston with player voting, and Courtesy Pass. Watch tiles fly across the table with fluid pass animations.

🎨 10 Stunning Tile Designs Unlock and equip gorgeous tile skins — from the classic Standard set to luxurious Gold and Diamond designs. Cat lovers? Sushi fans? There's a set for everyone. Earn them through gameplay or grab them instantly with optional purchases.

🏆 Track Your Progress Earn points with every game, unlock new opponents and tile sets, and track your stats in the Records screen. Climb from beginner to Grand Master tier — all without spending a dime.

💰 Free to Play, Fair to Everyone All game content is accessible for free. Optional in-app purchases let you instantly unlock cosmetic items like tile skins and CPU opponents, but everything can also be earned through normal gameplay. Play at your own pace — no paywalls, no pay-to-win.

Key Features:

✅ Free to download and play
Full American Mahjong rules (NMJL-style)
20 AI opponents with 4 personality types × 5 difficulty levels
Deep AI with multi-ply lookahead, hot tile defense, and target hysteresis
Complete Charleston phase (1st, 2nd, Courtesy Pass)
Joker exchange system
Built-in pattern card editor with step-by-step wizard (free)
10 collectible tile skin sets
Point-based unlock progression system
Keyboard & touch support
Beautiful animations and sound effects
Landscape orientation optimized ## Rankings - #2,608,703 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.btdstudio.us_mahjong.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` ## Similar extensions and apps - [American Mahjong](https://chrome-stats.com/d/com.americanmahjong.app) — 334 users - [Original Mahjong - US Rules](https://chrome-stats.com/d/com.ludlabsgames.originalmahjong) — 23 users - [The Mahjong App](https://chrome-stats.com/d/com.themahjongapp.android) — 8,204 users, 4.77 / 5 - [Mahjify American Mahjong Coach](https://chrome-stats.com/d/com.nobullgames.mahjify) — 14 users - [American Mahjong Practice 2025](https://chrome-stats.com/d/com.eightbam.americanmahjongpractice2024) — 293 users - [MAHJ: Learn American Mahjong](https://chrome-stats.com/d/com.welcome2mahj.app) — 1,231 users, 4.91 / 5 - [American Mahjong Practice](https://chrome-stats.com/d/com.eightbam.mahjongpractice) — 15,402 users, 4.77 / 5 - [Mahjong 4 Friends: Multiplayer](https://chrome-stats.com/d/com.mahjong4friends.twa) — 176,219 users, 4.75 / 5 - [Maylee: American Mahjong](https://chrome-stats.com/d/com.vibecode.blushmahjong.ld1sav) — 1,009 users - [Mahjong Match Tile Puzzle Game](https://chrome-stats.com/d/com.farooqigroup.mahjongtiles) — 25 users - [Real Mah Jongg](https://chrome-stats.com/d/com.realmahjongg) — 55,124 users, 4.38 / 5 - [Mahjong Ta - A 16-tile Mahjong](https://chrome-stats.com/d/com.heldandbell.mahjong_ta) — 273 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.btdstudio.us_mahjong)