The competitive urban-style Japanese mahjong app is now live! Battle alongside the lovely ACG characters in-app and against other Riichi mahjong players to conquer Riichi City!
◆Free to Play
It's free to play the basic game modes! Enjoy the real Riichi mahjong games with your friends anywhere, anytime!
◆Real-Life Design Elements
The real-life design elements in the modern Riichi City, such as mahjong houses, cafés, convenience stores and more, bring the realness of playing live Japanese mahjong games to the app! Experience the fierce competition in the fast-paced Japanese mahjong matches!
◆Interesting game rules
Shugi, Wareme, Open Riichi, Yakitori, Rinshan Pao etc...
You can play these special rules with your friends every time!
◆ACG Characters with Unique Playing Styles & Personalities
Meet and bond with the ACG characters in-app, each featuring their own playing styles and personalities, such as aggressive, defensive, reading discards... You name it! Grow with them and take your Japanese mahjong skills to the next level!
◆Fully Voiced by Famous Japanese CVs
Several famous and popular Japanese CVs fully voice the ACG characters in Riichi City! Be their captain and compete with others in the mahjong tournaments now!
CVs: Ogura Yui、Namikawa Daisuke、Ishikawa Yui、Arai Satomi、Suguta Hina、Morishima Shuuta、Hasegawa Reina...
Enjoy your game with mahjong stars!
◆Beginner-Friendly Functions
Riichi City has a lot to offer, including tutorials, game log, spectator mode, hints for the winning tiles, tips for drawing and discarding tiles, auto hints, point calculation, and so much more! All of these help beginners ease into the Riichi mahjong fun!
◆Plenty of Events with Generous Rewards
Stay tuned to the official knockout tournaments, Japanese mahjong matches, limited-time challenges and events featuring tons of prizes in the future!
There will be an update scheduled on 12/12 at 10:00(UTC+9). Please note that the duration is subject to change without prior notice.
You can still access the game as normal during the update.
1. \\[Riichi City The Quintessential Quintuplets] Collab Event Quintuplets\' Theory Coming Soon!
Event duration: the end of maintenance on 2025/12/12 (Fri.) - 2026/01/10 (Sat.) 23:59 (UTC+9)
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/42810873/90888b37ba7afabc7e5ada513293f25fafa35a41.png\"][/img]2. The Quintessential Quintuplets Characters Limited-Time Gacha
Event duration: the end of maintenance on 2025/12/12 (Fri.) - 2026/01/10 (Sat.) 23:59 (UTC+9)
Event description: The Quintessential Quintuplets characters Nakano Ichika (CV: Hanazawa Kana), Nakano Nino (CV: Taketatsu Ayana), Nakano Miku (CV: Ito Miku), Nakano Yotsuba (CV: Sakura Ayanei), and Nakano Itsuki (CV: Minase Inori) will be introduced to Riichi City. Strengthen your ties with them through mahjong matches!
During this period, players can also draw the following collab exclusive decorations: Winning Animation - Quintuplets\' Magic, Riichi Animation - Quintuplets\' Guidance, and Riichi Stick - Study Omamori.
The Quintessential Quintuplets Gacha pool is split into two categories: a female character pool Quintuplets\' Meetup (featuring collab characters and all permanent female characters) and a male character pool Quintuplets\' Encounter (featuring collab characters and all permanent male characters).
The Quintessential Quintuplets characters and decorations will not be available in the permanent Gacha pool after the event ends.
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/42810873/f51e9519f41e13a5f9bb0d3560fd65e5ccd7e08f.png\"][/img]3. Outfits & Packs Limited-Time Offer!
After the update, the following exclusive outfits will be available in the Shop and the outfit packs can be found in the Featured section. Don\'t miss out!
Nakano Ichika - Red Carpet Star
Nakano Nino - Fairy of the Garden
Nakano Miku - Waterside Mermaid
Nakano Yotsuba - Plains Messenger
Nakano Itsuki - Tea Party Princess
Red Carpet Star Excl. Outfit Pack
Nakano Ichika - Red Carpet Star
Tabletop - Red Carpet\'s End
Tiles - Ichika\'s Earring
Fairy of the Garden Excl. Outfit Pack
Nakano Nino - Fairy of the Garden
Tabletop - Fairyland
Tiles - Nino\'s Phone Case
Waterside Mermaid Excl. Outfit Pack
Nakano Miku - Waterside Mermaid
Tabletop - Echoes of the Deep
Tiles - Miku\'s Headphones
Plains Messenger Excl. Outfit Pack
Nakano Yotsuba - Plains Messenger
Tabletop - Short Break
Tiles - Yotsuba\'s Tote Bag
Tea Party Princess Excl. Outfit Pack
Nakano Itsuki - Tea Party Princess
Tabletop - Perfect Tea Party
Tiles - Itsuki\'s Hairpin
Available: the end of maintenance on 2025/12/12 (Fri.) - 2026/01/10 (Sat.) 23:59 (UTC+9)
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/42810873/fcaeced080d424e23ddbb1d73d58bec8af97ec52.png\"][/img]4. New Table & Ranking Updates in Fury Waves
(1) A new High Limit Table will be introduced to Fury Waves. At this table, players\' Coins will be converted into starting points at a 1:1 ratio.
(2) The entry limit, entry fee, and win/loss cap will all be higher at the High Limit Table.
(3) The current Fury Waves table will remain and will be designated as the Low Limit Table, with all existing valuesentry limit, entry fee, and win/loss capunchanged.
(4) New rankings will be added for both the High Limit and Low Limit Tables, tracking each players total accumulated winnings.
Ranking data will begin accumulating after the maintenance and will only include matches with a positive final result.
5. Sea Goddess Order Limited-Time Event
Event duration: the end of maintenance on 2025/12/12 (Fri.) - 2026/01/10 (Sat.) 23:59 (UTC+9)
Event description: During the event, join Fury Waves and complete event tasks to earn a sea of Coins!
6. Mahjong Academy Practice Match Improvements
(1) Players will be able to challenge three new modes in hard difficulty: 4P East Only, 3P East Only, and 3P Hanchan.
(2) Players will receive event currencies and Friendship/Affection Points after completing a Practice Match.
(3) Players will be able to manually set both the AI action time and their own action time.
(4) Players will be able to change AI opponents as well as their outfits.
7. Collab exclusive XenoLink (Lucky Token) Packs will be available in the Shop, offering up to 45% off on Lucky Tokens!
XenoLink Pack - Basic
XenoLink Pack - Classic
XenoLink Pack - Deluxe
Available: the end of maintenance on 2025/12/12 (Fri.) - 2026/01/10 (Sat.) 23:59 (UTC+9)
8. Other optimizations.
Minimum Setup
- OS: Ubuntu 10.04.4 LTS (Lucid Lynx)
- Processor: Intel Core i5 2.4 GHzMemory: 2 GB RAM
- Memory: 2 GB RAM
- Graphics: AMD Radeon HD 6490MNetwork: Broadband Internet connection
- Storage: 500 MB available space
Recommended Setup
- OS: Ubuntu 18.10 (Cosmic Cuttlefish)
- Processor: Intel Core i5-2400S. 2.6 GHzMemory: 3 GB RAM
- Graphics: AMD Radeon HD 6750MNetwork: Broadband Internet connection
- Storage: 500 MB available space
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