RiichiCity × KAKEGURUI2 Collab Downloads & RevenueRiichiCity × KAKEGURUI2 Collab · App Store & Google Play
RiichiCity × KAKEGURUI2 Collab gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
RiichiCity × KAKEGURUI2 Collab by LANCELOT TECH LTD is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
RiichiCity × KAKEGURUI2 Collab update history & changes
Last change · 46 events since 7 Jan 2022Full timeline ↓⭐AndroidRecent ratings dipped to 3.5★✏️iOSAdded hidden keywords: じゃんたま🔎iOSTop 10 for “techapp”✏️iOSAdded hidden keywords: fantastic📈iOSEntered the top 100 in 2 charts📈iOSCharting in a new country📈AndroidCharting in a new country🎉iOSIn-app event: [Collab] Compulsive Mahjong📈AndroidCharting in a new country✏️AndroidDescription updated✏️AndroidShort description updated📦iOSUpdated to version 2.2.11🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider📦iOSVersion 2.2.10📦AndroidVersion 2.2.8.1🆕iOSReleased on the App Store🆕AndroidReleased on Google Play
Full timeline · 46 events
- ✏️RiichiCity × KAKEGURUI2 Collab added hidden keywords: じゃんたまiOSwords in the App Store's hidden keyword field (found by probing search)
- 🔎RiichiCity × KAKEGURUI2 Collab reached Top 10 for “techapp”iOS#7 in Taiwan search · popularity 46
- ✏️RiichiCity × KAKEGURUI2 Collab added hidden keywords: fantasticiOSwords in the App Store's hidden keyword field (found by probing search)
- ✏️RiichiCity × KAKEGURUI2 Collab added hidden keywords: キャラiOSwords in the App Store's hidden keyword field (found by probing search)
- 📈RiichiCity × KAKEGURUI2 Collab entered the top 100 in 2 chartsiOSTop Grossing · Board · IT · Top Grossing · Card · IT
- 📈RiichiCity × KAKEGURUI2 Collab charting in a new countryiOSItaly
- 📈RiichiCity × KAKEGURUI2 Collab charting in a new countryAndroidUnited States
- 📈RiichiCity × KAKEGURUI2 Collab entered the top 100 in 6 chartsiOSTop Grossing · Board · CA · Top Grossing · Board · GB · Top Grossing · Games · JP · Top Grossing · All Apps · TW · +2 more
- 📈RiichiCity × KAKEGURUI2 Collab entered the top 10 in 2 chartsiOSTop Grossing · Board · JP · Top Grossing · Board · KR
- 🎉RiichiCity × KAKEGURUI2 Collab in-app event: [Collab] Compulsive MahjongiOSSPECIAL EVENT · until 20 Nov
- 📈RiichiCity × KAKEGURUI2 Collab charting in a new countryAndroidUnited Arab Emirates
- ✏️RiichiCity × KAKEGURUI2 Collab: description updatediOS· AU
- ✏️RiichiCity × KAKEGURUI2 Collab: new iPad screenshotsiOS· AU
- ✏️RiichiCity × KAKEGURUI2 Collab: new screenshotsiOS7 screenshots (was 5) · AU
- ✏️RiichiCity × KAKEGURUI2 Collab: new iconiOS
→ 
· AU - ✏️RiichiCity × KAKEGURUI2 Collab: renamediOSRiichiCity - ACG mahjong games → RiichiCity × KAKEGURUI2 Collab · AU
- ✏️RiichiCity × KAKEGURUI2 Collab: needs a newer iOSiOSiOS 13.0 → iOS 15
- ✏️RiichiCity × KAKEGURUI2 Collab: description updatediOS· KR
- ✏️RiichiCity × KAKEGURUI2 Collab: new iPad screenshotsiOS· KR
- ✏️RiichiCity × KAKEGURUI2 Collab: new screenshotsiOS7 screenshots (was 5) · KR
- ✏️RiichiCity × KAKEGURUI2 Collab: new iconiOS → · KR, JP
- ✏️RiichiCity × KAKEGURUI2 Collab: renamediOS마작일번가 - 온라인 대전 마작게임 → 『마작 일번가』 × 『카케구루이××』 콜라보 · KR
- ✏️RiichiCity × KAKEGURUI2 Collab: description updatediOS· JP
- ✏️RiichiCity × KAKEGURUI2 Collab: new iPad screenshotsiOS· JP
- ✏️RiichiCity × KAKEGURUI2 Collab: new screenshotsiOS7 screenshots (was 5) · JP
- ✏️RiichiCity × KAKEGURUI2 Collab: renamediOS麻雀一番街 - 本格麻雀ゲーム → 『麻雀一番街』×『賭ケグルイ××』 コラボ · JP
- ✏️RiichiCity × KAKEGURUI2 Collab: description updatediOS· ID
- ✏️RiichiCity × KAKEGURUI2 Collab: new iPad screenshotsiOS· ID
- ✏️RiichiCity × KAKEGURUI2 Collab: new screenshotsiOS7 screenshots (was 5) · ID
- ✏️RiichiCity × KAKEGURUI2 Collab: new iconiOS → · ID
- ✏️RiichiCity × KAKEGURUI2 Collab: renamediOSRiichiCity - ACG mahjong games → RiichiCity × KAKEGURUI2 Collab · ID
- ✏️RiichiCity × KAKEGURUI2 Collab: description updatedAndroid· US
- ✏️RiichiCity × KAKEGURUI2 Collab: short description updatedAndroid· US
- ✏️RiichiCity × KAKEGURUI2 Collab: new screenshotsAndroid12 screenshots (was 12) · US
- ✏️RiichiCity × KAKEGURUI2 Collab: new iconAndroid
→
· US
- ✏️RiichiCity × KAKEGURUI2 Collab: renamedAndroidRiichi City - Japanese Mahjong → RiichiCity × KAKEGURUI2 Collab · US
- 📦RiichiCity × KAKEGURUI2 Collab updated to version 2.2.11iOSVersion: 2.2.11
Update details:
• New collab: Riichi City × KAKEGURUI2
• New Gacha: Blooms of Night、Colors of Feast
• Four new characters: Jabami Yumeko, Saotome Mary, Momobami Kirari, Momobami Ririka
• UI optimizations
• Text adjustments… more - 📈RiichiCity × KAKEGURUI2 Collab entered the top 100 in 2 chartsAndroidTop Free · Strategy · TW · Top Grossing · Strategy · TW
- 📈RiichiCity × KAKEGURUI2 Collab charting in a new countryAndroidTaiwan
- 🆕RiichiCity × KAKEGURUI2 Collab first spotted by AppInsiderAndroidSouth Korea
- 🆕RiichiCity × KAKEGURUI2 Collab first spotted by AppInsideriOS#51 in Top Grossing · Card · South Korea
- 📦RiichiCity × KAKEGURUI2 Collab version 2.2.10iOSNo release notes
- 📦RiichiCity × KAKEGURUI2 Collab version 2.2.8.1AndroidVersion: 2.2.8
Update details:
• New Gacha: Blue Dreams
• 1 new character: Saionji Rukia
• UI optimizations
• Text adjustments - 🆕RiichiCity × KAKEGURUI2 Collab released on the App StoreiOS
- 🆕RiichiCity × KAKEGURUI2 Collab released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.7 ★
22k ratings, both stores
Measured
Best rank now
#15
App Store · 
Games › Board Grossing
Games › Board GrossingMeasured
New ratings a week
114
▼ -6% vs the 2 weeks before (Google Play)
Measured
RiichiCity × KAKEGURUI2 Collab at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Tile Matching Anime Modern medium sessions multiplayer IAP
#mahjong #riichi #card game #strategy #voice acting #character collection
App Store
App details
App ID
1578816591
Publisher
LANCELOT TECH LTD
Publisher country
Hong Kong
On the store since
Jan 2022
4 years on the store
Minimum OS
iOS 15+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
3 content notes below
Languages
5
EN JA KO ZH ZH
Size
3197 MB
Also listed in
Card, Board
Content notesLoot BoxesInfrequent/Mild Sexual Content and NudityInfrequent/Mild Simulated Gambling
Google Play
App details
App ID
com.riichicity.happywoods
Publisher
Deep Rover Digital Tech Limited
Publisher country
Hong Kong
Content rating
Mature 17+
RiichiCity × KAKEGURUI2 Collab downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 10+ | – |
| Google Play | 100+ | 500k+ Measured |
| Total | 100+ Confidence | 500k+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where RiichiCity × KAKEGURUI2 Collab's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How RiichiCity × KAKEGURUI2 Collab makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Monthly Mascot subscription | |
| 2 | 1650 Outfit Tokens | |
| 3 | 1700 Vouchers | |
| 4 | 150 Vouchers | |
| 5 | 2700 Vouchers | |
| 6 | 850 Vouchers | |
| 7 | 10-Draw Token | |
| 8 | 400 Vouchers | |
| 9 | 2500 Outfit Tokens | |
| 10 | 4500 Vouchers |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #15 Games › Board Grossing | 4 of 30 countries | – | – |
| Google Play | #31 Games › Strategy Grossing | 4 of 23 countries | – | #195 |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisApp Store
New ratings a week
3.8
▲ +43% vs the 2 weeks before
Written reviews a week
under 1
US App Store
Lifetime rating
4.4★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
67/100
faster than 68% of Games apps
Google Play
New ratings a week
110
▼ -6% vs the 2 weeks before
Written reviews a week
under 1
Google Play
Recent ratings
4.0★
vs 4.4★ lifetime
Review momentum
56/100
faster than 67% of Game strategy apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.6 ★ | 613 |
| Google Play | 4.7 ★ | 21k 185 written reviews |
| Both stores | 4.7 ★ weighted by ratings | 22k |
What users say about RiichiCity × KAKEGURUI2 Collab
From the 36 most recent App Store reviews in the US.
Users heavily criticize perceived rigged matchmaking and excessive sexualization of characters, leading to a low average rating. While some praise the UI and free-to-play aspects compared to competitors, these positives are overshadowed by complaints about unfair gameplay mechanics and inappropriate content.
Mixed (42% of recent reviews give 4–5 stars). People like it for being fun, and its features and content. The main complaints are about price and subscriptions, and missing features or content. Recent reviews are more negative than earlier ones.
What people like
- Fun: “The game features cute characters and fun/fast gameplay”
- Features & content: “The game features cute characters and fun/fast gameplay”
- Price & subscription: “How the heck can I pull without spending money?”
- Design: “I’m in love with the art and UI of this game!”
Common complaints
- Price & subscription: “3+ GB… Also, everything costs money, even joining most matches”
- Features & content: “The basic game features are great but they keep ignoring popular opinion”
About RiichiCity × KAKEGURUI2 Collab
[Riichi City × KAKEGURUI2 Collab Event Begins 10/22!]
Embark on the ultimate mahjong adventure with Riichi City! Featuring lovely female characters, a thrilling global matchmaking system, and a variety of creative game modes, this free-to-play app blends classic mahjong fun with unique twists, designed for both novices and seasoned players alike.
Dive into the action with a star-studded voice cast, including Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana! Create special bonds with all the stunning characters at the mahjong table, and earn fantastic rewards like animated character images, anime Emotes, customizable Tabletops, Tiles, and Riichi Sticks!
Enjoy a range of traditional mahjong matches such as 4-Player and 3-Player Ranked Matches, Friendly Matches, and Tournaments. Explore unique modes like 1-Round Challenges and Grand Prix for an exhilarating experience!
Download Riichi City now and complete limited-time missions for exciting gifts. "Conquer the challenges to be No.1!"
[Riichi City Features]
◆ Free to Play!
Jump into classic Riichi mahjong at no cost! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Achieve all your favorite Yakus and write your own mahjong legend!
◆ Real-Life Design Elements!
Step into the modern Tenhou City in the game, where real-life elements bring your mahjong gameplay to the next level. Engage in all kinds of mahjong matches, lively shops, and a dynamic day-night system that add depth to your gaming experience. Feel the intensity of competitions and rise through the ranks in our fast-paced tournaments!
◆ Unique ACG Characters with Distinct Playstyles & Personalities
Meet a diverse cast of ACG characters, each with their own playstyles and personalities—from aggressive to defensive, and skilled at reading discards... you name it! Elevate your mahjong skills alongside these lovely characters, and unlock beautiful awakening outfits for them with ease!
◆ Fully Voiced by Famous Japanese CVs!
Explore the magic of mahjong with voices brought to life by top Japanese voice actors and actresses! Guide your favorite characters to the Legend rank and enjoy their captivating performances!
CVs: Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana (listed in Japanese syllabary order)
Riichi City is perfect for you if you:
• Want a free mahjong game that's easy to pick up
• Seek tailored enjoyment, whether you're a newbie or a pro
• Enjoy a classic mahjong experience
• Wish to learn the detailed rules of mahjong
• Enjoy playing mahjong online
• Appreciate a comprehensive and welcoming beginner tutorial
• Prefer casual gaming during downtime
• Seek online mahjong challenges with friends or new players
• Need a game that's perfect for both home an
Embark on the ultimate mahjong adventure with Riichi City! Featuring lovely female characters, a thrilling global matchmaking system, and a variety of creative game modes, this free-to-play app blends classic mahjong fun with unique twists, designed for both novices and seasoned players alike.
Dive into the action with a star-studded voice cast, including Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana! Create special bonds with all the stunning characters at the mahjong table, and earn fantastic rewards like animated character images, anime Emotes, customizable Tabletops, Tiles, and Riichi Sticks!
Enjoy a range of traditional mahjong matches such as 4-Player and 3-Player Ranked Matches, Friendly Matches, and Tournaments. Explore unique modes like 1-Round Challenges and Grand Prix for an exhilarating experience!
Download Riichi City now and complete limited-time missions for exciting gifts. "Conquer the challenges to be No.1!"
[Riichi City Features]
◆ Free to Play!
Jump into classic Riichi mahjong at no cost! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Achieve all your favorite Yakus and write your own mahjong legend!
◆ Real-Life Design Elements!
Step into the modern Tenhou City in the game, where real-life elements bring your mahjong gameplay to the next level. Engage in all kinds of mahjong matches, lively shops, and a dynamic day-night system that add depth to your gaming experience. Feel the intensity of competitions and rise through the ranks in our fast-paced tournaments!
◆ Unique ACG Characters with Distinct Playstyles & Personalities
Meet a diverse cast of ACG characters, each with their own playstyles and personalities—from aggressive to defensive, and skilled at reading discards... you name it! Elevate your mahjong skills alongside these lovely characters, and unlock beautiful awakening outfits for them with ease!
◆ Fully Voiced by Famous Japanese CVs!
Explore the magic of mahjong with voices brought to life by top Japanese voice actors and actresses! Guide your favorite characters to the Legend rank and enjoy their captivating performances!
CVs: Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana (listed in Japanese syllabary order)
Riichi City is perfect for you if you:
• Want a free mahjong game that's easy to pick up
• Seek tailored enjoyment, whether you're a newbie or a pro
• Enjoy a classic mahjong experience
• Wish to learn the detailed rules of mahjong
• Enjoy playing mahjong online
• Appreciate a comprehensive and welcoming beginner tutorial
• Prefer casual gaming during downtime
• Seek online mahjong challenges with friends or new players
• Need a game that's perfect for both home an
RiichiCity × KAKEGURUI2 Collab App Store
RiichiCity × KAKEGURUI2 Collab gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
RiichiCity × KAKEGURUI2 Collab is #15 in Games › Board Grossing in Japan and charting in 4 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperLANCELOT TECH LTD
CategoryGames
PriceFree
Released
Rating★ 4.6 (613)
Version2.2.11
Age rating17+
First seen by us
24 Sep 2026
24 Sep 2026Rating
4.6 ★
613 ratings
Measured
Best rank now
#15
Games › Board GrossingMeasured
New ratings a week
3.8
▲ +43% vs the 2 weeks before
Measured
RiichiCity × KAKEGURUI2 Collab at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Tile Matching Anime Modern medium sessions multiplayer IAP
#mahjong #riichi #card game #strategy #voice acting #character collection
RiichiCity × KAKEGURUI2 Collab on the App Store
App details
App ID
1578816591
Publisher
LANCELOT TECH LTD
Publisher country
Hong Kong
On the store since
Jan 2022
4 years on the store
Minimum OS
iOS 15+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
3 content notes below
Languages
5
EN JA KO ZH ZH
Size
3197 MB
Also listed in
Card, Board
Content notesLoot BoxesInfrequent/Mild Sexual Content and NudityInfrequent/Mild Simulated Gambling
RiichiCity × KAKEGURUI2 Collab downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where RiichiCity × KAKEGURUI2 Collab's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in RiichiCity × KAKEGURUI2 Collab before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How RiichiCity × KAKEGURUI2 Collab makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Monthly Mascot subscription | |
| 2 | 1650 Outfit Tokens | |
| 3 | 1700 Vouchers | |
| 4 | 150 Vouchers | |
| 5 | 2700 Vouchers | |
| 6 | 850 Vouchers | |
| 7 | 10-Draw Token | |
| 8 | 400 Vouchers | |
| 9 | 2500 Outfit Tokens | |
| 10 | 4500 Vouchers |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Games › BoardGrossing | #15 |
| Japan | Games › CardFree | #26 |
| Japan | Games › CardGrossing | #31 |
| South Korea | Games › BoardGrossing | #24 |
| Japan | Games › BoardFree | #51 |
 Canada | Games › BoardGrossing | #27 |
| South Korea | Games › CardGrossing | #45 |
| South Korea | Games › CardFree | #74 |
| Canada | Games › CardGrossing | #67 |
| South Korea | Games › BoardFree | #142 |
 Indonesia | Games › CardFree | #126 |
Apps near RiichiCity × KAKEGURUI2 Collab on the chart
Games › Board Grossing, around #15.
Ratings
App Store, worldwide.
Rating
4.6 ★
613 ratings
Measured
Ratings
613
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
3.8
▲ +43% vs the 2 weeks before
Written reviews a week
under 1
US App Store
Lifetime rating
4.4★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
67/100
faster than 68% of Games apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about RiichiCity × KAKEGURUI2 Collab
From the 36 most recent App Store reviews in the US.
Users heavily criticize perceived rigged matchmaking and excessive sexualization of characters, leading to a low average rating. While some praise the UI and free-to-play aspects compared to competitors, these positives are overshadowed by complaints about unfair gameplay mechanics and inappropriate content.
Mixed (42% of recent reviews give 4–5 stars). People like it for being fun, and its features and content. The main complaints are about price and subscriptions, and missing features or content. Recent reviews are more negative than earlier ones.
What people like
- Fun: “The game features cute characters and fun/fast gameplay”
- Features & content: “The game features cute characters and fun/fast gameplay”
- Price & subscription: “How the heck can I pull without spending money?”
- Design: “I’m in love with the art and UI of this game!”
Common complaints
- Price & subscription: “3+ GB… Also, everything costs money, even joining most matches”
- Features & content: “The basic game features are great but they keep ignoring popular opinion”
About RiichiCity × KAKEGURUI2 Collab
[Riichi City × KAKEGURUI2 Collab Event Begins 10/22!]
Embark on the ultimate mahjong adventure with Riichi City! Featuring lovely female characters, a thrilling global matchmaking system, and a variety of creative game modes, this free-to-play app blends classic mahjong fun with unique twists, designed for both novices and seasoned players alike.
Dive into the action with a star-studded voice cast, including Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana! Create special bonds with all the stunning characters at the mahjong table, and earn fantastic rewards like animated character images, anime Emotes, customizable Tabletops, Tiles, and Riichi Sticks!
Enjoy a range of traditional mahjong matches such as 4-Player and 3-Player Ranked Matches, Friendly Matches, and Tournaments. Explore unique modes like 1-Round Challenges and Grand Prix for an exhilarating experience!
Download Riichi City now and complete limited-time missions for exciting gifts. "Conquer the challenges to be No.1!"
[Riichi City Features]
◆ Free to Play!
Jump into classic Riichi mahjong at no cost! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Achieve all your favorite Yakus and write your own mahjong legend!
◆ Real-Life Design Elements!
Step into the modern Tenhou City in the game, where real-life elements bring your mahjong gameplay to the next level. Engage in all kinds of mahjong matches, lively shops, and a dynamic day-night system that add depth to your gaming experience. Feel the intensity of competitions and rise through the ranks in our fast-paced tournaments!
◆ Unique ACG Characters with Distinct Playstyles & Personalities
Meet a diverse cast of ACG characters, each with their own playstyles and personalities—from aggressive to defensive, and skilled at reading discards... you name it! Elevate your mahjong skills alongside these lovely characters, and unlock beautiful awakening outfits for them with ease!
◆ Fully Voiced by Famous Japanese CVs!
Explore the magic of mahjong with voices brought to life by top Japanese voice actors and actresses! Guide your favorite characters to the Legend rank and enjoy their captivating performances!
CVs: Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana (listed in Japanese syllabary order)
Riichi City is perfect for you if you:
• Want a free mahjong game that's easy to pick up
• Seek tailored enjoyment, whether you're a newbie or a pro
• Enjoy a classic mahjong experience
• Wish to learn the detailed rules of mahjong
• Enjoy playing mahjong online
• Appreciate a comprehensive and welcoming beginner tutorial
• Prefer casual gaming during downtime
• Seek online mahjong challenges with friends or new players
• Need a game that's perfect for both home an
Embark on the ultimate mahjong adventure with Riichi City! Featuring lovely female characters, a thrilling global matchmaking system, and a variety of creative game modes, this free-to-play app blends classic mahjong fun with unique twists, designed for both novices and seasoned players alike.
Dive into the action with a star-studded voice cast, including Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana! Create special bonds with all the stunning characters at the mahjong table, and earn fantastic rewards like animated character images, anime Emotes, customizable Tabletops, Tiles, and Riichi Sticks!
Enjoy a range of traditional mahjong matches such as 4-Player and 3-Player Ranked Matches, Friendly Matches, and Tournaments. Explore unique modes like 1-Round Challenges and Grand Prix for an exhilarating experience!
Download Riichi City now and complete limited-time missions for exciting gifts. "Conquer the challenges to be No.1!"
[Riichi City Features]
◆ Free to Play!
Jump into classic Riichi mahjong at no cost! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Achieve all your favorite Yakus and write your own mahjong legend!
◆ Real-Life Design Elements!
Step into the modern Tenhou City in the game, where real-life elements bring your mahjong gameplay to the next level. Engage in all kinds of mahjong matches, lively shops, and a dynamic day-night system that add depth to your gaming experience. Feel the intensity of competitions and rise through the ranks in our fast-paced tournaments!
◆ Unique ACG Characters with Distinct Playstyles & Personalities
Meet a diverse cast of ACG characters, each with their own playstyles and personalities—from aggressive to defensive, and skilled at reading discards... you name it! Elevate your mahjong skills alongside these lovely characters, and unlock beautiful awakening outfits for them with ease!
◆ Fully Voiced by Famous Japanese CVs!
Explore the magic of mahjong with voices brought to life by top Japanese voice actors and actresses! Guide your favorite characters to the Legend rank and enjoy their captivating performances!
CVs: Arai Satomi, Ishikawa Yui, Uchida Maaya, Onishi Saori, Ogura Yui, Sugiyama Noriaki, Namikawa Daisuke, Suguta Hina, Numakura Manami, Hasegawa Reina, Morishima Shuuta, Yuuki Aoi, and Yukana (listed in Japanese syllabary order)
Riichi City is perfect for you if you:
• Want a free mahjong game that's easy to pick up
• Seek tailored enjoyment, whether you're a newbie or a pro
• Enjoy a classic mahjong experience
• Wish to learn the detailed rules of mahjong
• Enjoy playing mahjong online
• Appreciate a comprehensive and welcoming beginner tutorial
• Prefer casual gaming during downtime
• Seek online mahjong challenges with friends or new players
• Need a game that's perfect for both home an
Latest updates
2.2.11
Version: 2.2.11
Update details:
• New collab: Riichi City × KAKEGURUI2
• New Gacha: Blooms of Night、Colors of Feast
• Four new characters: Jabami Yumeko, Saotome Mary, Momobami Kirari, Momobami Ririka
• UI optimizations
• Text adjustments
2.2.10
Store changes
What RiichiCity × KAKEGURUI2 Collab changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Description updated 
New iPad screenshots
New screenshots
7 screenshots (was 5)
RiichiCity × KAKEGURUI2 Collab Android
RiichiCity × KAKEGURUI2 Collab gets 100+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
RiichiCity × KAKEGURUI2 Collab is #51 in Games › Strategy Grossing on Google Play in Japan and charting in 4 of 23 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperFormirai Co., Ltd.
CategoryGames › Strategy
PriceFree
Released
Installs500k+
Rating★ 4.7 (21k)
Updated
Content ratingMature 17+
Rating
4.7 ★
21k ratings
Measured
Best rank now
#51
Games › Strategy GrossingMeasured
New ratings a week
110
▼ -6% vs the 2 weeks before
Measured
RiichiCity × KAKEGURUI2 Collab at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Mahjong Anime Modern medium sessions multiplayer IAP Gacha
#riichi mahjong #card game #strategy #voice acting #collab event #free to play
RiichiCity × KAKEGURUI2 Collab on Google Play
App details
App ID
com.riichicity.happywoods
Publisher
Deep Rover Digital Tech Limited
Publisher country
Hong Kong
Content rating
Mature 17+
RiichiCity × KAKEGURUI2 Collab downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where RiichiCity × KAKEGURUI2 Collab's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in RiichiCity × KAKEGURUI2 Collab before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How RiichiCity × KAKEGURUI2 Collab makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Monthly Mascot subscription | |
| 2 | 1650 Outfit Tokens | |
| 3 | 1700 Vouchers | |
| 4 | 150 Vouchers | |
| 5 | 2700 Vouchers | |
| 6 | 850 Vouchers | |
| 7 | 10-Draw Token | |
| 8 | 400 Vouchers | |
| 9 | 2500 Outfit Tokens | |
| 10 | 4500 Vouchers |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Games › StrategyGrossing | #51 |
| Japan | Games › StrategyFree | #50 |
 United States | Games › StrategyGrossing | #195 |
| South Korea | Games › StrategyGrossing | #62 |
| Taiwan | Games › StrategyGrossing | #31 |
| South Korea | Games › StrategyFree | #138 |
| Taiwan | Games › StrategyFree | #85 |
Apps near RiichiCity × KAKEGURUI2 Collab on the chart
Games › Strategy Grossing, around #51.
Ratings
Google Play, worldwide.
Rating
4.7 ★
21k ratings
Measured
Ratings
21k
Measured
Written reviews
185
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
110
▼ -6% vs the 2 weeks before
Written reviews a week
under 1
Google Play
Recent ratings
4.0★
vs 4.4★ lifetime
Review momentum
56/100
faster than 67% of Game strategy apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About RiichiCity × KAKEGURUI2 Collab
[Riichi City × KAKEGURUI2 Collab Event Begins 10/22!]
[Please note that all in-game currencies, items, and characters are considered virtual property. They hold no monetary value and cannot be exchanged for cash or any other tangible equivalent.]
RiichiCity is one of the anime-style free mahjong games! Many adorable, charming girls are eagerly awaiting your arrival! Come and embark on a delightful mahjong journey with these lovely mahjong girls together! Battle alongside these lovely ACG characters in-app and against real mahjong players to dominate Riichi City!
With various mahjong match modes available, both beginners and masters can savor the excitement of the real mahjong games! The user-friendly design ensures that even beginners can easily immerse themselves in the fun of playing mahjong online! Ignite your mahjong soul now! Conquer the challenges to be No.1!
[RiichiCity Features]
◆Free to Play and Fair Environment
Enjoy different modes and features without any cost! Indulge in the real Riichi mahjong games with your friends anywhere, anytime! Experience truly random tiles, without any additional adjustments! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Explore a wide range of yaku combinations that you love in a fair and secure gaming environment!
◆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!
◆ACG Characters with Unique Playing Styles & Personalities
Meet and bond with the ACG characters in-app, each featuring their own playing styles and personalities, ranging from aggressive to defensive and skilled at reading discards... You name it! Grow with them and take your Japanese mahjong skills to the next level!
◆Fully Voiced by Famous Japanese CVs
Renowned Japanese voice actors and actresses bring the ACG characters in Riichi City to life with their exceptional voice acting talent! Lead them as their captain, start competing against others in the mahjong tournaments, and enjoy your game with these mahjong stars!
CVs: Ogura Yui, Namikawa Daisuke, Ishikawa Yui, Arai Satomi, Suguta Hina, Morishima Shuuta, Hasegawa Reina...
◆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 much more! All of these features are designed to help beginners ease into the Riichi mahjong world!
[Please note that all in-game currencies, items, and characters are considered virtual property. They hold no monetary value and cannot be exchanged for cash or any other tangible equivalent.]
RiichiCity is one of the anime-style free mahjong games! Many adorable, charming girls are eagerly awaiting your arrival! Come and embark on a delightful mahjong journey with these lovely mahjong girls together! Battle alongside these lovely ACG characters in-app and against real mahjong players to dominate Riichi City!
With various mahjong match modes available, both beginners and masters can savor the excitement of the real mahjong games! The user-friendly design ensures that even beginners can easily immerse themselves in the fun of playing mahjong online! Ignite your mahjong soul now! Conquer the challenges to be No.1!
[RiichiCity Features]
◆Free to Play and Fair Environment
Enjoy different modes and features without any cost! Indulge in the real Riichi mahjong games with your friends anywhere, anytime! Experience truly random tiles, without any additional adjustments! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Explore a wide range of yaku combinations that you love in a fair and secure gaming environment!
◆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!
◆ACG Characters with Unique Playing Styles & Personalities
Meet and bond with the ACG characters in-app, each featuring their own playing styles and personalities, ranging from aggressive to defensive and skilled at reading discards... You name it! Grow with them and take your Japanese mahjong skills to the next level!
◆Fully Voiced by Famous Japanese CVs
Renowned Japanese voice actors and actresses bring the ACG characters in Riichi City to life with their exceptional voice acting talent! Lead them as their captain, start competing against others in the mahjong tournaments, and enjoy your game with these mahjong stars!
CVs: Ogura Yui, Namikawa Daisuke, Ishikawa Yui, Arai Satomi, Suguta Hina, Morishima Shuuta, Hasegawa Reina...
◆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 much more! All of these features are designed to help beginners ease into the Riichi mahjong world!
What's new in 2.2.8.1
Version: 2.2.8
Update details:
• New Gacha: Blue Dreams
• 1 new character: Saionji Rukia
• UI optimizations
• Text adjustments
Update details:
• New Gacha: Blue Dreams
• 1 new character: Saionji Rukia
• UI optimizations
• Text adjustments
Store changes
What RiichiCity × KAKEGURUI2 Collab changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Description updated
Short description updated
New screenshots
12 screenshots (was 12)
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