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Features & Capabilities

Mahjong Demon is a Chrome extension that simulates traditional Japanese Mahjong. Use the on-screen slider to select tiles, then tap to draw, discard, and form four Melds and one Pair, following Japanese mahjong rules including Melds, Reach, and restrictions on Chi, Pon, and Open Kan.

It also covers key concepts like Lost Hand and how Reach affects gameplay. The page explains scoring interactions, such as paying 1,000 points to Reach and the rule that Ron cannot be completed with a tile from another player's discard; self-draw remains possible with Lost Hand. Practical tips help you reason about hands from opponents' discards and plan winning strategies.

User Growth & Download Statistics

By:
NUTRACTOR
Rating:
4.30
(1,728)
5 new ratings
Version:
6.14 Last updated: 2026-03-03
Version code:
882923414
Creation date:
2009-07-06
Compatible devices:
Size:
111.74MB
Price:
400
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-12
Compare stats and ranking:

Ranking

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
NUTRACTOR
Apple Apps Store
https://apps.apple.com/jp/app/mahjong-demon/id321109246?l=en-US
Website:
https://www.nutractor.com/

User Reviews

Mahjong Demon is praised for its portrait layout readability, fast AI, and clear scoring with Riichi support. Common drawbacks are the lack of landscape mode, visual clarity issues with tile graphics, and robotic voices. A solid pick for Riichi players who prioritize quick games and rule variety, but UI/audio and orientation concerns are consistently noted.
Pros
  • Portrait orientation provides easy legibility and convenience.
  • Fast, responsive AI opponents with instant gameplay and practice against CPU.
  • Clear scoring and rules explanations; beginner-friendly yet challenging.
  • Riichi/Japanese Mahjong support with many rule options.
Cons
  • Lack of landscape mode; vertical-only UI makes tile pressing difficult for some players.
  • Tile graphics are small and visuals can be unclear due to a busier 3D UI and color similarity.
  • Robot/annoying voices; audio quality could be improved.
Recent reviews
This checks all the boxes for me: it’s portrait orientation; everything is easily legible; play against bots that make reasonably smart moves; option to get hints for discards; shows waits, explains points in detail, etc.; doesn’t have goofy gacha/anime/furries (sorry Kemono) aesthetics. Some of the UI could be polished, sure, but this one easily blows the others out of the water. My only wish is that other mahjong variants like HKOS, MCR, etc. were available; I’d pay SO much for that!
by fa*****, 2026-01-01

Great way to kill time. Excellent background music.
by Th*****, 2023-04-22

If I don’t have time to play real people this is a pretty good way to practice. Scoring could be explained a little better.
by Ro*****, 2023-01-12
View all user reviews ›

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