The Game Census
麻雀一番街 cover art

麻雀一番街

Formirai Co., Ltd. · 2022-09-08

Steam

Modes: Single player, Multiplayer · Perspectives: First person

Releases: Jan 19, 2022 (Android), Jan 19, 2022 (iOS), Jan 19, 2022 (PC (Microsoft Windows))

Riichi City is a competitive urban-style Anime mahjong game, featuring beginner-friendly mahjong tutorials, Ranked Matches and tournaments crowded with masters! Spice up the experience with our ACG characters voiced by famous CVs, and attractive items and decorations! Set off for Riichi City now!

麻雀一番街 is a game released in 2022, free-to-play, with an estimated 200,000 to 500,000 owners and a Mixed review sentiment (48% of 4860 reviews).— census verdict as of 2026-09-20

637
playing now
47%
positive of 4.9k reviews
Mixed
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
3
twitch viewers (latest)
3.0
viewers/channel (concentration)
85/100
IGDB user rating (6 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
Free
steam price (US)

637 players in-game as of 2026-10-14 12:00 UTC (census sample)

Trailer

麻雀一番街 trailer thumbnail

地獄單騎字牌也是有風險的【麻雀一番街 | 星野Poteto | 日麻 | 日本麻將】

≈357 YouTube results for this game's trailer search

Health check

Healthy
  • · 637 players in-game at the last census sample.
  • · 757 reviews in the last 8 weeks (~95/week).
  • · Review velocity down 5% vs the prior 8 weeks.

12-month high $0.00 · on sale 1 of 1 observed days (census price snapshots)

Review momentum

PositiveNegative
14714720222026Week of 2022-09-01: 116 positiveWeek of 2022-09-01: 71 negativeWeek of 2022-10-01: 46 positiveWeek of 2022-10-01: 43 negativeWeek of 2022-11-01: 76 positiveWeek of 2022-11-01: 25 negativeWeek of 2022-12-01: 54 positiveWeek of 2022-12-01: 43 negativeWeek of 2023-01-01: 76 positiveWeek of 2023-01-01: 53 negativeWeek of 2023-02-01: 37 positiveWeek of 2023-02-01: 21 negativeWeek of 2023-03-01: 51 positiveWeek of 2023-03-01: 37 negativeWeek of 2023-04-01: 25 positiveWeek of 2023-04-01: 25 negativeWeek of 2023-05-01: 35 positiveWeek of 2023-05-01: 32 negativeWeek of 2023-06-01: 30 positiveWeek of 2023-06-01: 46 negativeWeek of 2023-07-01: 45 positiveWeek of 2023-07-01: 37 negativeWeek of 2023-08-01: 24 positiveWeek of 2023-08-01: 29 negativeWeek of 2023-09-01: 35 positiveWeek of 2023-09-01: 30 negativeWeek of 2023-10-01: 93 positiveWeek of 2023-10-01: 112 negativeWeek of 2023-11-01: 43 positiveWeek of 2023-11-01: 50 negativeWeek of 2023-12-01: 43 positiveWeek of 2023-12-01: 36 negativeWeek of 2024-01-01: 50 positiveWeek of 2024-01-01: 47 negativeWeek of 2024-02-01: 43 positiveWeek of 2024-02-01: 49 negativeWeek of 2024-03-01: 62 positiveWeek of 2024-03-01: 64 negativeWeek of 2024-04-01: 63 positiveWeek of 2024-04-01: 44 negativeWeek of 2024-05-01: 78 positiveWeek of 2024-05-01: 38 negativeWeek of 2024-06-01: 53 positiveWeek of 2024-06-01: 68 negativeWeek of 2024-07-01: 95 positiveWeek of 2024-07-01: 93 negativeWeek of 2024-08-01: 147 positiveWeek of 2024-08-01: 123 negativeWeek of 2024-09-01: 63 positiveWeek of 2024-09-01: 86 negativeWeek of 2024-10-01: 88 positiveWeek of 2024-10-01: 88 negativeWeek of 2024-11-01: 63 positiveWeek of 2024-11-01: 61 negativeWeek of 2024-12-01: 53 positiveWeek of 2024-12-01: 36 negativeWeek of 2025-01-01: 47 positiveWeek of 2025-01-01: 80 negativeWeek of 2025-02-01: 45 positiveWeek of 2025-02-01: 30 negativeWeek of 2025-03-01: 78 positiveWeek of 2025-03-01: 132 negativeWeek of 2025-04-01: 60 positiveWeek of 2025-04-01: 81 negativeWeek of 2025-05-01: 50 positiveWeek of 2025-05-01: 59 negativeWeek of 2025-06-01: 46 positiveWeek of 2025-06-01: 63 negativeWeek of 2025-07-01: 57 positiveWeek of 2025-07-01: 82 negativeWeek of 2025-08-01: 37 positiveWeek of 2025-08-01: 59 negativeWeek of 2025-09-01: 29 positiveWeek of 2025-09-01: 54 negativeWeek of 2025-10-01: 31 positiveWeek of 2025-10-01: 32 negativeWeek of 2025-11-01: 23 positiveWeek of 2025-11-01: 36 negativeWeek of 2025-12-01: 36 positiveWeek of 2025-12-01: 43 negativeWeek of 2026-01-01: 35 positiveWeek of 2026-01-01: 58 negativeWeek of 2026-02-01: 29 positiveWeek of 2026-02-01: 49 negativeWeek of 2026-03-01: 41 positiveWeek of 2026-03-01: 99 negativeWeek of 2026-04-01: 48 positiveWeek of 2026-04-01: 65 negativeWeek of 2026-05-01: 33 positiveWeek of 2026-05-01: 51 negativeWeek of 2026-06-01: 31 positiveWeek of 2026-06-01: 49 negativeWeek of 2026-07-01: 39 positiveWeek of 2026-07-01: 51 negativeWeek of 2026-08-01: 8 positiveWeek of 2026-08-01: 21 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

7321982026-09-15 13:00 — 706 players2026-09-16 22:00 — 222 players2026-09-18 05:00 — 339 players2026-09-19 13:00 — 591 players2026-09-20 20:00 — 262 players2026-09-22 04:00 — 405 players2026-09-23 11:00 — 573 players2026-09-24 19:00 — 205 players2026-09-26 02:00 — 368 players2026-09-27 10:00 — 425 players2026-09-28 17:00 — 271 players2026-09-30 01:00 — 320 players2026-10-01 08:00 — 395 players2026-10-02 16:00 — 458 players2026-10-04 00:00 — 223 players2026-10-05 08:00 — 349 players2026-10-06 15:00 — 445 players2026-10-07 23:00 — 198 players2026-10-09 06:00 — 336 players2026-10-10 14:00 — 628 players2026-10-11 21:00 — 199 players2026-10-13 05:00 — 392 players2026-10-14 12:00 — 637 players
Concurrent players, hourly average, last 30 days (census samples).
634103Sep 2022Aug 2026Sep 2022 — avg 133 · peak 394Nov 2022 — avg 103 · peak 255Jan 2023 — avg 166 · peak 494Mar 2023 — avg 154 · peak 542May 2023 — avg 136 · peak 433Jul 2023 — avg 158 · peak 419Sep 2023 — avg 162 · peak 370Nov 2023 — avg 297 · peak 814Jan 2024 — avg 295 · peak 863Mar 2024 — avg 377 · peak 1,044May 2024 — avg 369 · peak 910Jul 2024 — avg 491 · peak 1,717Sep 2024 — avg 519 · peak 1,260Nov 2024 — avg 457 · peak 1,023Jan 2025 — avg 440 · peak 1,262Mar 2025 — avg 634 · peak 1,921May 2025 — avg 424 · peak 955Jul 2025 — avg 470 · peak 1,324Sep 2025 — avg 336 · peak 843Nov 2025 — avg 358 · peak 765Jan 2026 — avg 489 · peak 1,806Mar 2026 — avg 596 · peak 1,735May 2026 — avg 422 · peak 941Jul 2026 — avg 433 · peak 968Aug 2026 — avg 420 · peak 825
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Chart history

PositiveNegative
332026-09-222026-10-142026-09-22: 2 new positive2026-09-22: 2 new negative2026-09-24: 1 new negative2026-09-25: 1 new negative2026-09-26: 3 new negative2026-09-27: 2 new positive2026-09-27: 3 new negative2026-09-28: 1 new positive2026-09-28: 1 new negative2026-09-29: 1 new positive2026-09-29: 1 new negative2026-09-30: 3 new negative2026-10-01: 2 new positive2026-10-02: 3 new positive2026-10-05: 1 new positive2026-10-05: 2 new negative2026-10-06: 2 new positive2026-10-06: 2 new negative2026-10-07: 1 new positive2026-10-07: 2 new negative2026-10-08: 2 new negative2026-10-09: 1 new negative2026-10-10: 1 new negative2026-10-12: 1 new positive2026-10-12: 1 new negative2026-10-14: 2 new negative
New Steam reviews per day (census review snapshots). Positive above the line, negative below.

Twitch viewers

2.8k02026-09-30 23:34 — 9 viewers2026-10-01 05:34 — 0 viewers2026-10-01 11:34 — 18 viewers2026-10-01 17:34 — 0 viewers2026-10-01 23:34 — 1 viewers2026-10-02 05:34 — 0 viewers2026-10-02 11:34 — 6 viewers2026-10-02 18:34 — 0 viewers2026-10-03 00:34 — 4 viewers2026-10-03 06:34 — 8 viewers2026-10-03 12:34 — 2 viewers2026-10-03 18:34 — 0 viewers2026-10-05 06:34 — 23 viewers2026-10-05 12:34 — 4 viewers2026-10-05 18:34 — 3 viewers2026-10-06 16:34 — 0 viewers2026-10-06 22:34 — 0 viewers2026-10-07 04:34 — 17 viewers2026-10-07 10:34 — 0 viewers2026-10-07 16:34 — 0 viewers2026-10-07 22:34 — 0 viewers2026-10-08 20:34 — 1 viewers2026-10-09 02:34 — 9 viewers2026-10-09 08:34 — 0 viewers2026-10-09 14:34 — 46 viewers2026-10-09 20:35 — 0 viewers2026-10-10 18:35 — 0 viewers2026-10-11 00:34 — 0 viewers2026-10-11 06:34 — 0 viewers2026-10-11 12:34 — 1 viewers2026-10-11 18:34 — 0 viewers2026-10-12 16:34 — 1 viewers2026-10-12 22:34 — 0 viewers2026-10-13 04:34 — 10 viewers2026-10-13 10:34 — 0 viewers2026-10-13 16:34 — 0 viewers2026-10-14 14:34 — 11 viewers2026-10-14 20:34 — 0 viewers2026-10-14 22:34 — 3 viewers
Hourly Twitch viewers (census snapshots).

Details

WindowsmacOSLinuxMulti-playerPvPOnline PvPCross-Platform MultiplayerIn-App PurchasesFamily Sharing

3 supported languages: English, Japanese, Traditional Chinese

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

RTSCuteJRPGAnimeFunnyCasualHorrorModernSportsStrategy

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

Drawful 2Cthulhu RealmsMahjong Soul

Similarity via IGDB.

Official site ↗Discord ↗