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異変麻雀 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"
Positive Now
65%93 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Last 12 Months
75%+10 pts on 65% since launch
Reviews Last Month
1June 2026, −88% on the 12-month average
Reviews By MonthPositive and negative reviews each month, September 2024 to June 2026
| Month | Positive | Negative | Share positive |
|---|---|---|---|
| June 2026 | 1 | 0 | 100% |
| March 2026 | 2 | 0 | 100% |
| February 2026 | 1 | 0 | 100% |
| January 2026 | 0 | 1 | 0% |
| December 2025 | 3 | 0 | 100% |
| November 2025 | 1 | 1 | 50% |
| October 2025 | 2 | 1 | 67% |
| August 2025 | 1 | 0 | 100% |
| April 2025 | 0 | 1 | 0% |
| March 2025 | 1 | 0 | 100% |
| November 2024 | 3 | 1 | 75% |
| October 2024 | 18 | 6 | 75% |
| September 2024 | 31 | 23 | 57% |
Steam’s own monthly review graph, read each month. How we count
Review ScoreSteady at 65% positive since 22 Oct 202693 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count
Notable Months| Notable | Month | Reviews | Positive |
|---|---|---|---|
| Busiest month | September 2024 | 54 | 57% |
Best and worst counts months with at least 50 reviews.
