| App ID | 3205000 |
| App Type | Game |
| Store Name | Anomaly Mahjong |
| Developer | YUTAMARO WORLD |
| Publisher | YUTAMARO WORLD |
| Supported Systems | Windows |
| Technologies | Unreal Engine |
| Last Changenumber | 31749958 |
| Last Record Update | 19 October 2025 – 05:53:10 UTC ( |
| Release Date | 26 September 2024 – 15:00:25 UTC ( |
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"
Steam price history
Current Price
$4.99
Lowest Recorded Price
$3.49 at -30%
26 June 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$4.99 | $4.99 | $3.49 | $3.49 at -30% | |
 Russian Ruble |
200 ₽ | $2.47 | -50.37% | $1.73 | 140 ₽ at -30% |
 Vietnamese Dong |
73500₫ | $2.79 | -44.03% | $1.95 | 51500₫ at -30% |
 Indian Rupee |
₹ 250 | $2.81 | -43.52% | $1.97 | ₹ 175 at -30% |
 Kazakhstani Tenge |
1500₸ | $2.82 | -43.44% | $1.97 | 1050₸ at -30% |
 Indonesian Rupiah |
Rp 47499 | $2.85 | -42.83% | $1.99 | Rp 33249 at -30% |
 Ukrainian Hryvnia |
124₴ | $2.94 | -40.91% | $2.04 | 86₴ at -31% |
 Philippine Peso |
₱174.95 | $2.98 | -40.28% | $2.08 | ₱122.46 at -30% |
 LATAM - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.09 | $2.09 at -30% |
 MENA - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.09 | $2.09 at -30% |
 South Asia - USD |
$2.99 | $2.99 | -40.08% | $2.09 | $2.09 at -30% |
 South African Rand |
R 52.00 | $2.99 | -39.90% | $2.09 | R 36.40 at -30% |
 Chinese Yuan |
¥ 22 | $3.09 | -38.04% | $2.16 | ¥ 15.40 at -30% |
 Brazilian Real |
R$ 16,99 | $3.15 | -36.78% | $2.20 | R$ 11,89 at -30% |
 Chilean Peso |
CLP$ 3000 | $3.18 | -36.23% | $2.22 | CLP$ 2100 at -30% |
 Saudi Riyal |
11.95 SR | $3.18 | -36.15% | $2.22 | 8.36 SR at -30% |
 Japanese Yen |
¥ 500 | $3.24 | -34.98% | $2.27 | ¥ 350 at -30% |
 CIS - U.S. Dollar |
$3.29 | $3.29 | -34.07% | $2.30 | $2.30 at -30% |
 Taiwan Dollar |
NT$ 102 | $3.32 | -33.46% | $2.31 | NT$ 71 at -30% |
 Malaysian Ringgit |
RM13.99 | $3.34 | -33.06% | $2.33 | RM9.79 at -30% |
 Mexican Peso |
Mex$ 64.49 | $3.47 | -30.34% | $2.43 | Mex$ 45.14 at -30% |
 Colombian Peso |
COL$ 13500 | $3.47 | -30.35% | $2.43 | COL$ 9450 at -30% |
 Peruvian Sol |
S/.12.00 | $3.53 | -29.26% | $2.47 | S/.8.40 at -30% |
 Qatari Riyal |
12.99 QR | $3.55 | -28.73% | $2.48 | 9.09 QR at -30% |
 Thai Baht |
฿115.00 | $3.55 | -28.67% | $2.49 | ฿80.50 at -30% |
 Kuwaiti Dinar |
1.10 KD | $3.58 | -28.19% | $2.50 | 0.77 KD at -30% |
 South Korean Won |
₩ 5600 | $3.92 | -21.37% | $2.74 | ₩ 3920 at -30% |
 Uruguayan Peso |
$U159 | $3.98 | -20.11% | $2.78 | $U111 at -30% |
 Singapore Dollar |
S$5.25 | $4.03 | -19.12% | $2.82 | S$3.67 at -30% |
 U.A.E. Dirham |
15.00 AED | $4.08 | -18.15% | $2.85 | 10.50 AED at -30% |
 New Zealand Dollar |
NZ$ 7.39 | $4.23 | -15.23% | $2.95 | NZ$ 5.17 at -30% |
 Hong Kong Dollar |
HK$ 33.00 | $4.24 | -14.90% | $2.97 | HK$ 23.10 at -30% |
 Canadian Dollar |
CDN$ 6.49 | $4.63 | -7.19% | $3.23 | CDN$ 4.54 at -30% |
 Costa Rican Colon |
₡2400 | $4.77 | -4.29% | $3.34 | ₡1680 at -30% |
 Australian Dollar |
A$ 7.50 | $4.90 | -1.66% | $3.43 | A$ 5.25 at -30% |
 Norwegian Krone |
55,49 kr | $5.50 | +10.30% | $3.85 | 38,84 kr at -30% |
 British Pound |
£4.29 | $5.63 | +12.87% | $3.93 | £3.00 at -30% |
 Israeli New Shekel |
₪18.50 | $5.70 | +14.29% | $3.99 | ₪12.95 at -30% |
 Euro |
4,99€ | $5.77 | +15.66% | $4.03 | 3,49€ at -30% |
 Polish Zloty |
22,99zł | $6.24 | +25.22% | $4.37 | 16,09zł at -30% |
 Swiss Franc |
CHF 5.49 | $6.83 | +36.97% | $4.78 | CHF 3.84 at -30% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | YUTAMARO WORLD | |||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||
| ReleaseState | released | |||||||||||||||||
| Publisher | YUTAMARO WORLD | |||||||||||||||||
| Store Release Date | 26 September 2024 – 15:00:29 UTC ( |
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| osarch | 64 | |||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||
| Social Media | https://x.com/iiintyo https://www.youtube.com/@YUTAMAROWORLD |
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| Primary Genre | Casual (4) | |||||||||||||||||
| Store Genres | Casual (4), Indie (23), Simulation (28), Strategy (2) | |||||||||||||||||
| Steam Release Date | 26 September 2024 – 15:00:25 UTC ( |
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| Store Asset Modification Time | 9 October 2025 – 16:16:35 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||
| name_localized |
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| review_score | 5 | |||||||||||||||||
| review_percentage | 62 | |||||||||||||||||
| Detected Technologies (?) | Unreal Engine, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK | |||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||
| First seen on SteamDB | 30 August 2024 – 14:23:16 UTC ( |
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Supported Languages
| 5 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| Japanese | Yes | Yes | ||
| English | Yes | Yes | ||
| Simplified Chinese | Yes | Yes | ||
| Traditional Chinese | Yes | Yes | ||
| Korean | Yes | Yes |
Assets
Load all asset images
| trailer_name | 異変麻雀紹介動画 |
| trailer_category | 1 |
| microtrailer ↴ | |
| video/webm | 3205000/1764419609/9157f3761744de073e4d1e58e4889dab88dbe9c2/1760024380/microtrailer.webm |
| video/mp4 | 3205000/1764419609/9157f3761744de073e4d1e58e4889dab88dbe9c2/1760024380/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3205000/1764419609/9157f3761744de073e4d1e58e4889dab88dbe9c2/1760024380/dash_av1.mpd |
| dash_h264 | 3205000/1764419609/9157f3761744de073e4d1e58e4889dab88dbe9c2/1760024380/dash_h264.mpd |
| hls_h264 | 3205000/1764419609/9157f3761744de073e4d1e58e4889dab88dbe9c2/1760024380/hls_264_master.m3u8 |
| screenshot_medium | 257214914/02a0e3d5ef45a4a375b39038c09c7f85f1628e25/movie_600x337.jpg |
| screenshot_full | 257214914/02a0e3d5ef45a4a375b39038c09c7f85f1628e25/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 9 October 2025 – 16:16:43 UTC |
