Anomaly Mahjong

YUTAMARO WORLD / Sep 26, 2024 / Casual, Indie, Simulation, Strategy

windows

0 playing now

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"

Can your PC run it?

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Part	Your PC	MinimumNot sure	RecommendedNot sure
CPU	Not set	Intel Core i7-6700 Can't tell	Not listed Can't tell
GPU	Not set	NVIDIA GeForce GTX 1060 3GB Can't tell	Not listed Can't tell
RAM	Not set	8 GB RAM Can't tell	Not listed Can't tell

What's new

Ver1.34 2026 Summer Sale Update

2026-06-27

・Added Anomaly No.48. ・Adjusted the difficulty. ・Fixed missing translations. ・Made system improvements and minor adjustments.

Open on Steam

What players say

5 user reviews

100% positive, 5 reviews

Recommended3 hrs played

The only game where you sit at the table with three bored wizards who do anything from building pyramids to summoning a fifth tile and when you point out their magic you`ll just hear a "oh,sorry"

1 found this helpful, 2025-12-07

Recommended11 hrs played

Anomaly Mahjong, developed and published by YUTAMARO WORLD, is a highly unconventional twist on the traditional Japanese game of mahjong. At first glance, it appears to be a standard riichi mahjong simulator, complete with familiar tiles, turns, and scoring systems. However, the game quickly reveals itself as something much stranger—a hybrid between a logical puzzle, a rules-detection exercise, and a test of deep...

4 found this helpful, 2025-10-18

Recommended4 hrs played

I'm probably the only person who plays riichi mahjong on my friends list. Seriously, someone from the local riichi community will probably find this and see my name and go, "Oh hey, that guy!" Funny Exit 8 game but mahjong.

0 found this helpful, 2026-03-21