Riichi City - Japanese Mahjong Steam news

• Latest observed players254 · 21 September 2026 - 23:10:19 UTC
• SteamPulse tracked peak1,248
• Units sold (VGI)No data available
• Revenue (VGI)No data available
• Review score48% positive
• Total reviews4,537
• Release dateSep 8, 2022
• DeveloperFormirai Co., Ltd.
• PublisherFormirai Co., Ltd.

Company pages: Developer: Formirai Co., Ltd.Publisher: Formirai Co., Ltd.

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Riichi City - Japanese Mahjong Steam news

Riichi City - Japanese Mahjong news collects recent Steam feed items, update posts, and announcements that SteamPulse can associate with this app.

Latest Steam announcements

• Update Notice (09/10) - 9 September 2026

  There will be an update scheduled on 09/10 from 11:00 to 17:00 (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. New CharactersTwo new characters, Yoo Sooeun (CV: Inagaki Konomi / Bang Siu) and Usui Suzune (CV: Inagaki Konomi), will be introduced to Riichi City. Strengthen your ties with them through mahjong matches!Event duration: the end of maintenance on 2026/09/10 (Thu.) - 2026/10/13 (Tue.) 10:59 (UTC+9)During this period, players will have higher chances of obtaining Yoo Sooeun and Usui Suzune from the new Gacha pool Sharp Bite!2. Introducing Love Therapy EventEvent duration: the end of maintenance on 2026/09/10 (Thu.) - 2026/10/13 (Tue.) 10:59 (UTC+9)Event description:(1) During the event, players can earn Kitty Masks based on their finishing places in different matches, and exchange them…

• ■New Outfit PV Preview✨ - 9 September 2026

  ■Name: Yoo SooeunCV (KR): Bang SiuCV (JP): Inagaki Konomi ※Exclusive Outfits is available only when you obtain corresponding characters. #RiichiCity

• ■New Outfit PV Preview✨ - 7 September 2026

  ■Name: Usui SuzuneCV：Inagaki Konomi ※Exclusive Outfits is available only when you obtain corresponding characters. #RiichiCity

• ■New Outfit PV Preview✨ - 6 September 2026

  ■Name: Choi HyorinCV (JP): Shimamura YuCV (KR): Kim Hyeon-ji ※Exclusive Outfits is available only when you obtain corresponding characters. #RiichiCity

• 💉Event Exclusive Outfit・Late-Night Care💉 - 4 September 2026

  ■Name: Yoo SooeunCV（KR）：Bang SiuCV（JP）：Inagaki Konomi"Now then... be a good patient and tell me everything."🔜 Coming Soon: Thursday, September 10th

• 🩺Event Exclusive Outfit・Full Body Checkup🩺 - 4 September 2026

  ■Name: Choi HyorinCV (JP): Shimamura YuCV (KR): Kim Hyeon-ji"You look worried. How about a thorough checkup... from head to toe?"🔜 Coming Soon: Thursday, September 10th

• 🩹 Event Exclusive Outfit・Bandaged Vase 🩹 - 3 September 2026

  ■Name: Usui SuzuneCV: Inagaki Konomi"I'm not like a vase. Even broken, I can still become whole again."🔜 Coming Soon: Thursday, September 10th

• 【New Decorations Preview】 - 2 September 2026

  The new decorations of new character 'Usui Suzune' will be available from Thursday, September 10th!Stay tuned!✨\◆Avatar Frame - Usui Suzune's Gift (Obtainable via Character Affection)◆Title - Memories with Usui Suzune (Obtainable via Character Affection)◆Riichi Stick・Paper Umbrella (Obtainable via Gacha)

• ■New Character - 2 September 2026

  Name: Usui Suzune \CV: Inagaki KonomiBirthday: September 15thHeight:141cmStyle: Grounded and pragmaticFavourite Yaku: Haitei Raoyue, Triple Red TilesThe Far Side of the MoonCaptain, can you rub my cheeks a little?🔜 Coming Soon: Update on Thursday, September 10th

• ■New Character - 1 September 2026

  Name: Usui SuzuneCV: Inagaki KonomiBirthday: September 15thHeight:141cmStyle: Grounded and pragmaticFavourite Yaku: Haitei Raoyue, Triple Red TilesThe Far Side of the MoonUsui Suzune. Katana? No... it's my Drying Pole.🔜 Coming Soon: Update on Thursday, September 10th

• ■ New Character's Awakening Outfit - 31 August 2026

  The new decorations of new character 'Yoo Sooeun' will be available from Thursday, September 10th!Stay tuned!✨\◆Avatar Frame - Yoo Sooeun's Gift (Obtainable via Character Affection)◆Title - Memories with Yoo Sooeun (Obtainable via Character Affection)◆Riichi Stick・Jawsy (Obtainable via Gacha)

• ■ New Character's Awakening Outfit - 31 August 2026

  Name: Yoo Sooeun \CV (JP): Inagaki KonomiCV (KR): Bang SiuBirthday: October 27thHeight:165cmStyle: Flamboyant and flawlessFavourite Yaku: PaarenchanFlamboyant and flawlessI'm a perfect ten today, as usual!🔜 Coming Soon: Update on Thursday, September 10th

• ■New Character - 28 August 2026

  Name: Yoo SooeunCV (JP): Inagaki KonomiCV (KR): Bang SiuBirthday: October 27thHeight:165cmStyle: Flamboyant and flawlessFavourite Yaku: PaarenchanThe Eternal CenterI'm Yoo Sooeun from Melosea.Need I say more? Try to keep up—I'm not slowing down for anyone!🔜 Coming Soon: Update on Thursday, September 10th

• Update Notice (08/25) - 24 August 2026

  There will be an update scheduled on 08/25 from 11:00 to 17:00 (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. Anniv. Character AU.RO.RA Limited-Time Rerun!Event duration: 2026/08/28 (Fri.) 11:00 - 2026/09/30 (Wed.) 10:59 (UTC+9)Event description: During this period, players will have higher chances of obtaining the anniversary character AU.RO.RA in the limited-time Gacha pool Scarlet Twins!2. Excl. Outfit & Pack Rerun!◆ AU.RO.RA - Prisoner of the Heart (SP)Prisoner of the Heart Excl. Outfit Pack◆ AU.RO.RA - Prisoner of the Heart (SP)◆ Tabletop - Doom◆ Tiles - Blood Wing3. Excl. Outfit Rerun!◆ AU.RO.RA - Toxic Temptation4. Keisen & Seraphina Limited-Time Rate Up!Event duration: 2026/08/26 (Wed.) 11:00 - 2026/09/09 (Wed.) 10:59 (UTC+9)Event description: During this period, players will have hi…

• Update Notice (08/11) - 10 August 2026

  There will be an update scheduled on 08/11 from 11:00 to 17:00 (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. Fuwa Mahiru & Inukai Hina Limited-Time Rate Up!Event duration: 2026/08/12 (Wed.) 11:00 - 2026/08/26 (Wed.) 10:59 (UTC+9)During this period, players will have higher chances of obtaining Fuwa Mahiru and Inukai Hina from the limited-time Gacha pool League Stars XXXII. 2. Excl. Outfits & Packs Rerun!The following outfits and outfit packs will also be available!◆ Fuwa Mahiru - Vow to the Blue Sky (SP)◆ Inukai Hina - Laze in the Sun (SP) Vow to the Blue Sky Excl. Outfit Pack◆ Fuwa Mahiru - Vow to the Blue Sky (SP)◆ Tabletop - Forevermore◆ Tiles - White Rose Laze in the Sun Excl. Outfit Pack◆ Inukai Hina - Laze in the Sun (SP)◆ Tabletop - Pool Time◆ Tiles - Sunscreen Available: 2026/08/12…

• Update Notice (07/30) - 29 July 2026

  There will be an update scheduled on 07/30 from 11:00 to 17:00 (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. Introducing 4.5th Anniv. Character RukiaEvent duration: the end of maintenance on 2026/07/30 (Thu.) - 2026/09/09 (Wed.) 10:59 (UTC+9)Event description: During this period, players will have higher chances of obtaining Rukia from the Gacha pool Blue Dreams!Saionji Rukia is in fact the seventh Beacon (CV: Ueda Reina) from the Dark Zone. As the last of her energy fades away, she entrusts you with one final wish: to help her bid farewell to her past.- After awakening Rukia, complete the Lantern Farewell mission to unlock her Lantern Spirit Form—a special form sustained by her remaining power. This form features exclusive voice lines and a unique hand model.- Rukia has two distinct forms,…

• ■New Outfit PV Preview✨ - 27 July 2026

  ■Name: Saionji RukiaCV : Ueda Reina

• ■New Outfit PV Preview✨ - 26 July 2026

  ■Name: LoreleiCV : Takahashi Minami

• ■New Outfit PV Preview✨ - 25 July 2026

  ■Name: ShivaniCV : Takahashi Minami

• 🍓 Anniversary Exclusive Outfit・Sweet Cake Party（SP）🍓 - 23 July 2026

  ■Name: Saionji RukiaCV : Ueda Reina"The strawberry isn't just sinking into the cream. It's melting on the tip of your tongue."🔜 Coming Soon: Thursday, July 30th