# Mahjong Demon XL — Japanese Mahjong

> Japanese Mahjong game with detailed rule explanations and strategic gameplay. (iPhone/iPad app by NUTRACTOR.)

- Source: https://appshunter.io/ios/app/mahjong-demon-xl/id391061172 (this page in markdown: same URL + `.md`)
- Developer: [NUTRACTOR](https://appshunter.io/developer/305620719)
- Category: Games, Entertainment, Board, Card
- Price: $3.99
- Rating: 4.70/5 from 37 App Store ratings · 29 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.0 · 123 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2010-09-25
- Data updated: 2026-09-02
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/mahjong-demon-xl/id391061172/reviews.md

## What is Mahjong Demon XL?

This is a Mahjong game of the Japanese style rule.
Mahjong is the game to finish four Melds and one Pairs.

Example: [1, 2, 3][6, 6, 6][6, 7, 8][N, N, N][4, 4]

However, there is a hand not approved when Chi, Pon, and Open Kan.
Please note whether there is a hand when you do 1 and 9 in Chi and Pon.
In the rule of the japanese mahjong, one or more hands are necessary.
The hand can be made by paying 1,000 points and doing Reach.
However, when Chi, Pon, and Open Kan are done, Reach cannot be done.
If it is a closed hand, high point will be obtained.
About Lost Hand. A hand that is Waiting, but cannot be won off someone else's discard due to the fact that the owner of the hand already threw a winning tile in their own discard.
Lost Hand if one in all winning tiles are here even if discard doesn't do the tile which it wants to do. But, self-draw is possible even with Lost Hand.
The knack is that Ron is never done by the other party.
Ron is never done with the tile that does Discard.
Please reason the Hand from other party's Discard and win.

## Key features

- Japanese Mahjong rules
- Meld and pair formation
- Hand requirement explanations
- Reach and scoring mechanics
- Strategic gameplay
- Classic Mahjong experience

## Recent user reviews (10 of 29)

All indexed reviews: https://appshunter.io/ios/app/mahjong-demon-xl/id391061172/reviews.md

### 3/5 — 勝ちすぎてつまらない

*2025-02-15, version 6.6.1*

CPUが弱い以前に、都合の良い牌ばっかツモる

### 5/5 — Love it

*2024-04-30, version 6.5*

Good mahjong game.

### 1/5 — ツモ

*2023-05-13, version 6.2*

配牌がどうも嘘くさい コントロールしてるように感じることが多々あります

### 5/5 — Mahjong Demon XL

*2021-11-25, version 5.16*

This is the only true Japanese Mahjong App that I have discovered since the days of Shanghai Second Dynasty, that was purchased to work with Windows 98 and XP that had a choice of different types of the Mahjong board games. My Mahjong expert friend concedes that the game is good except for the addition of the red five as a Dora yaku. He insists that the true Japanese Mahjong does not use the red five tile for an additional yaku. Now, the old laptop with XP OS will be put to rest. Old Timer

### 5/5 — ルーティン

*2020-12-06, version 5.13*

まぁまぁ楽しい。
必ず就寝前に勝負してます。

### 3/5 — 手軽&気楽に遊べる

*2020-11-16, version 5.12*

CPUのレベルは中級者の下位レベル位です。(激強いアプリでは有りません)
半荘100回プレイすれば1位率が45％前後取れます。(油断は禁物です)
役満上がりは半荘200回のプレイでCPUが四暗刻(三暗刻対々和からのツモ上り)を2回上がったのみで、自分自身では役満は上がれませんでした。
ネット対戦麻雀プレーヤーやリアル麻雀プレーヤーには向かないです。

### 4/5 — ソフト要改良

*2020-07-28, version 5.7*

一人で楽しんでいます。ソフトが未完成で計算がめちゃくちゃです。負けたと思うと勝っていたり、勝ったと思うと逆だったり。それも面白いかと諦めています。いつか制作者が問題に気が付き、直さないと会社の将来に関わると、思ってくれるかなぁと期待しています。
よろしく

### 5/5 — 同巡フリテンにバグがある

*2020-03-15, version 5.1*

一番の不満は、リーチ後に同巡フリテンで当れないバグがあること。同巡フリテンには該当しないのに、上がれず、かつ、数巡後に同じ牌が出ると当れるというおまけ付き。
次に不満なのは、コンピュータのオリ方。スジの概念がないので、オリ方が酷いし、それを前提としたひっかけの駆け引きが成立していないので、ゲームとして薄っぺらく感じる。
完全サキヅケもルールとして盛り込んで欲しいし、持ち点を27000や30000で始められるオプションも欲しいところ。
買い切りで広告が出ない点、余計な効果がなくシンプルでサクサク打てる点はとても良い。
↓
上記から再レビュー。(上では星3を付けた。)
今回のアップデートは改悪と言っていい。
3D化した弊害なのか、ツモ動作や捨て牌アニメがもっさりし、最大の持ち味であったサクサク感がなくなってしまった。
まだ、あまりやり込んでいないのにレビューするのは抵抗があったが、これ以上はプレーできない。
App Store内では最も良くできた麻雀アプリなのに勿体ない。
見た目のリッチさより、大事にしなければならないことがあると思う。

### 1/5 — 画面不備および誤動作

*2019-11-02, version 4.4.1*

１．一段目最後の上家の捨て牌が見えない。
２．ポン、チー、ロンの誤動作が散見する。

### 3/5 — 反日無罪

*2019-09-28, version 4.3*

メンバー弱過ぎなんです
役満上がるのが楽しすぎるです
暇つぶしにはお手軽です

## Frequently asked questions about Mahjong Demon XL

### What is Mahjong Demon XL?

Mahjong Demon XL is a game that simulates the Japanese style of Mahjong. It focuses on the rules for finishing four melds and one pair, and explains various hand formations and winning strategies.

### What are the core mechanics of Mahjong Demon XL?

The game involves forming specific tile combinations (melds and a pair) to win. It details rules around Chi, Pon, Open Kan, and the 'Reach' mechanic for scoring, emphasizing strategic play based on opponent discards.

### Is Mahjong Demon XL suitable for beginners?

While it explains the rules, the game's depth and focus on strategy might be more suited for players with some familiarity or a strong desire to learn complex Mahjong rules. The age rating of 17+ also suggests mature themes or complexity.

### What devices does Mahjong Demon XL support?

Currently, Mahjong Demon XL is supported on iPad devices. It is not available on iPhone or other platforms at this time.

### How often is Mahjong Demon XL updated?

The latest version is 6.13, and the last update was on March 3, 2026. This indicates a history of updates, though the exact frequency is not specified.

### What is the price of Mahjong Demon XL?

Mahjong Demon XL is a paid application, costing $3.99. There are no in-app purchases or advertisements mentioned.

### Does Mahjong Demon XL have ads?

No, Mahjong Demon XL does not contain advertisements. It is a premium application with a one-time purchase price.

### What is the user sentiment for Mahjong Demon XL?

The app has a high rating of 4.7 stars from 36 ratings, suggesting positive user sentiment among its players.

## Version history (last 5 releases)

### 6.15 — 2026-08-05

- Update the audio engine.

### 6.14 — 2026-06-25

・Fixed an issue where the Mahjong Rules wouldn't open.

### 6.13 — 2026-03-03

- Fixes related to game progression.

### 6.12 — 2025-10-06

- Security fixes.

### 6.11 — 2025-09-28

- Fixed the tile sorting issue.

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## More apps by NUTRACTOR

- [Shogi Demon](https://appshunter.io/ios/app/shogi-demon/id305620716)
- [Mahjong Demon](https://appshunter.io/ios/app/mahjong-demon/id321109246)
- [Mahjong Mobile](https://appshunter.io/ios/app/mahjong-mobile/id365726409)
- [Shogi Demon XL](https://appshunter.io/ios/app/shogi-demon-xl/id420880715)
- [KEY - 3D Cubic Puzzle](https://appshunter.io/ios/app/key-3d-cubic-puzzle/id966950050)

All apps by NUTRACTOR: https://appshunter.io/developer/305620719

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*