How many people are playing Anomaly Mahjong right now?

0 people are playing Anomaly Mahjong on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.

What is Anomaly Mahjong's all-time peak player count?

Anomaly Mahjong's highest concurrent player count on Steam is 166, reached in September 2024.

Is Anomaly Mahjong good? What do Steam reviews say?

66% of 92 Steam user reviews are positive (Mixed).

How much does Anomaly Mahjong cost on Steam?

Anomaly Mahjong costs $4.99 on Steam (US).

Anomaly Mahjong

by YUTAMARO WORLD · Released Sep 26, 2024

Steam Deck Unknown

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Players now

newvs 24h ago · updates every minute

Review score

66% positive

Mixed92 reviews

Owners (est.)0–20K

24h peak

Highest seen166

Sep 20242.2 years ago

Price on Steam

$4.99

Lowest ever $4.99 Nov 2026

Concurrent players

Last 7 days

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs, and every price change and sale we

Screenshots, achievements, specs and price history from Steam.

apos;ve seen on Steam.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$4.99

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

異変麻雀Edition
$4.99
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Reviews

66% positive of 92 · Mixed · Live from Steam

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Steam Deck

Not tested by Valve yet. Results from Valve's own testing.

Steam Deck Unknown

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Steam Deck

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Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Jun 27, 2026, 2:58 PM UTC
Build 23945960the current build when we started tracking872 MB on Windows

Patch notes

Jun 27, 2026
PatchVer1.34 2026 Summer Sale Update
・Added Anomaly No.48. ・Adjusted the difficulty. ・Fixed missing translations. ・Made system improvements and minor adjustments.
Jun 3, 2026
PatchVer1.33 Update
Fixed an issue in No. 2 Score Attack where an invalid winning hand could incorrectly be judged as a valid win. As a result of this fix, the No. 2 Score Attack leaderboard has been reset. Adjusted some visual effects and animations. Fixed several minor issues.
Mar 13, 2026
PatchVer1.31 Spring Sale Update
Added Anomaly No.45 Anomaly No.24 can no longer be reported; added Anomaly No.46 Anomaly No.9 can no longer be reported; added Anomaly No.47 Other text adjustments
Jan 29, 2026
PatchVer1.30 Update
・Added difficulty selection. ・You can now view the answer when you miss an anomaly. ・Enlarged the riichi stick. ・Added Anomaly No.44.
Dec 31, 2025
PatchHappy New Year 2026!!! Ver1.29 Update
Happy New Year! Thank you for your continued support of Ihen Mahjong in 2026. ・Added Ihen No.43. ・Fixed an issue where No.5 could unintentionally end the round early. ・Adjusted tile layout for No.24. ・Improved the presentation of Ihen No.39 to make it easier t…
Oct 5, 2025
PatchVer1.28 Update
・Fixed an issue where the ranking was not displayed correctly.

Other news (1)

Nov 22, 2024
【Tournament】GGC Cup in Progress!
Tournament Website

Patches & builds

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History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 65% on 2026-11-02 → 66% today (92 reviews)

Nov 1, 2026Price$4.99

History

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Trading cards

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Anomaly Mahjong player count and quick facts

How many people are playing Anomaly Mahjong right now?: 0 people are playing Anomaly Mahjong on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.
What is Anomaly Mahjong's all-time peak player count?: Anomaly Mahjong's highest concurrent player count on Steam is 166, reached in September 2024.
Is Anomaly Mahjong good? What do Steam reviews say?: 66% of 92 Steam user reviews are positive (Mixed).
How much does Anomaly Mahjong cost on Steam?: Anomaly Mahjong costs $4.99 on Steam (US).

Live data from Steam, tracked by SteamPlayerBase.

Store info

Can you escape from the strange Mahjong that goes on forever? Note: Knowledge of Japanese Mahjong is required to play this game. "Ihen Mahjong" is a Mahjong game where you spot "abnormalities" during play in special rounds dedicated to identifying these "abnormalities," and solve "Mahjong Puzzles"

Developer: YUTAMARO WORLD
Publisher: YUTAMARO WORLD
Release date: Sep 26, 2024
Install size: 2 GB minimum
Platforms: Windows
Genres: Casual, Indie, Simulation, Strategy · All
Steam app ID: 3205000

Anomaly Mahjong

Key stats

Concurrent players

Media & details

Where to buy

Other authorized stores

Editions and bundles on Steam

Reviews

Steam Deck

Steam Deck

Patches & builds

Patch notes

Patches & builds

History

History

Trading cards

Anomaly Mahjong player count and quick facts

Related games

Related games

Store info

Anomaly Mahjong player count and quick facts

History

Steam Deck

Patches & builds

Patch notes

Related games