Underworld Office Downloads & RevenueUnderworld Office: Ghost Story · App Store & Google Play
Underworld Office: Ghost Story by Buff Studio Co.Ltd. is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Underworld Office: Ghost Story update history & changes
Last change · 7 events since 10 Nov 2020Full timeline ↓🆕iOSFirst spotted by AppInsider🆕AndroidFirst spotted by AppInsider🆕AndroidIts developer released another app: Stillpoint!: Minimal Defense📦iOSVersion 1.4.4📦AndroidVersion 1.4.4🆕iOSReleased on the App Store
Full timeline · 7 events
- 🆕Underworld Office: Ghost Story first spotted by AppInsideriOSUnited States (found via search)
- 🆕Underworld Office: Ghost Story first spotted by AppInsiderAndroidSouth Korea
- 🆕Underworld Office: Ghost Story: its developer released another app: Stillpoint!: Minimal DefenseAndroid
- 📦Underworld Office: Ghost Story version 1.4.4iOSMinor bug fixed
- 📦Underworld Office: Ghost Story version 1.4.4AndroidNo release notes
- 🆕Underworld Office: Ghost Story released on the App StoreiOS
- 🆕Underworld Office: Ghost Story released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.9 ★
168k ratings, both stores
Measured
Best rank now
#186
Android · 
Games › Adventure Free
Games › Adventure FreeMeasured
App Store
App details
App ID
1533392283
Publisher
Buff Studio Co.Ltd.
Publisher country
South Korea
On the store since
Nov 2020
5 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
9+
2 content notes below
Languages
13
EN FR DE ID JA KO RU ZH ES TH ZH TR …
Size
541 MB
Also listed in
Adventure, Simulation
Content notesInfrequent/Mild Cartoon or Fantasy ViolenceInfrequent/Mild Horror/Fear Themes
Google Play
App details
App ID
com.buffstudio.uwofficefree
Publisher
(주)버프스튜디오
Publisher country
South Korea
Content rating
Teen
Underworld Office: Ghost Story downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | – |
| Google Play | – | 5M+ Measured |
| Total | – | 5M+ 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.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
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: Ad-led
How Underworld Office: Ghost Story makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 9 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 1000 Tickets | |
| 2 | 400 Tickets | |
| 3 | Remove Ad, 800 Tickets |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | – | 0 of 30 countries | – | – |
| Google Play | #186 Games › Adventure Free | 1 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.9 ★ | 825 |
| Google Play | 4.9 ★ | 167k 4k written reviews |
| Both stores | 4.9 ★ weighted by ratings | 168k |
About Underworld Office: Ghost Story
Here we come a Visual Novel, filled with horror, touching episodes, and chat stories!
It’s a completely unparalleled Visual Novel, Ghost Game, Best Novel Game you have ever played made especially for smartphone users!
Do you read books but being bored with it? Like to play interactive story games, visual novels, adventure games, ghosts games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors.
■ Introduction to Underworld Office | Visual Novel & Adventure Game:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
■ Intriguing Plot
In our Hidden story game, ghosts game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
■ Key Features of our Ghosts Story, Mysterious Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Ghosts Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
■ EXTRA FEATURES to enjoy our Adventure Game (Ghost Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Ghost Game
- Meet with ghosts in our ghost game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, ghost game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure game, ghost game
■ Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Ghost Game!
■ We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Ghost Games, Adventure Games or Chat Games, Opus
- Want to kill time while playing Adventure Game or reading a Visual Novel
- Love to be in World of Ghosts, or like to play Ghost Games, Interactive Story Games
- Want to play for free? Our Visual Novel ‘Underwor
It’s a completely unparalleled Visual Novel, Ghost Game, Best Novel Game you have ever played made especially for smartphone users!
Do you read books but being bored with it? Like to play interactive story games, visual novels, adventure games, ghosts games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors.
■ Introduction to Underworld Office | Visual Novel & Adventure Game:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
■ Intriguing Plot
In our Hidden story game, ghosts game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
■ Key Features of our Ghosts Story, Mysterious Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Ghosts Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
■ EXTRA FEATURES to enjoy our Adventure Game (Ghost Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Ghost Game
- Meet with ghosts in our ghost game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, ghost game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure game, ghost game
■ Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Ghost Game!
■ We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Ghost Games, Adventure Games or Chat Games, Opus
- Want to kill time while playing Adventure Game or reading a Visual Novel
- Love to be in World of Ghosts, or like to play Ghost Games, Interactive Story Games
- Want to play for free? Our Visual Novel ‘Underwor
Underworld Office: Ghost Story App Store
Not in any tracked top chart right now.
Updated 7 Nov 2026 · rankings refresh through the day
DeveloperBuff Studio Co.Ltd.
CategoryGames
PriceFree
Released
Rating★ 4.9 (825)
Version1.4.4
Age rating9+
First seen by us
20 Oct 2026
20 Oct 2026Rating
4.9 ★
825 ratings
Measured
Underworld Office: Ghost Story on the App Store
App details
App ID
1533392283
Publisher
Buff Studio Co.Ltd.
Publisher country
South Korea
On the store since
Nov 2020
5 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
9+
2 content notes below
Languages
13
EN FR DE ID JA KO RU ZH ES TH ZH TR …
Size
541 MB
Also listed in
Adventure, Simulation
Content notesInfrequent/Mild Cartoon or Fantasy ViolenceInfrequent/Mild Horror/Fear Themes
Underworld Office: Ghost Story 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.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
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 Underworld Office: Ghost Story before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Underworld Office: Ghost Story makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 9 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 1000 Tickets | |
| 2 | 400 Tickets | |
| 3 | Remove Ad, 800 Tickets |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.9 ★
825 ratings
Measured
Ratings
825
Measured
About Underworld Office: Ghost Story
Here we come a Visual Novel, filled with horror, touching episodes, and chat stories!
It’s a completely unparalleled Visual Novel, Ghost Game, Best Novel Game you have ever played made especially for smartphone users!
Do you read books but being bored with it? Like to play interactive story games, visual novels, adventure games, ghosts games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors.
■ Introduction to Underworld Office | Visual Novel & Adventure Game:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
■ Intriguing Plot
In our Hidden story game, ghosts game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
■ Key Features of our Ghosts Story, Mysterious Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Ghosts Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
■ EXTRA FEATURES to enjoy our Adventure Game (Ghost Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Ghost Game
- Meet with ghosts in our ghost game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, ghost game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure game, ghost game
■ Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Ghost Game!
■ We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Ghost Games, Adventure Games or Chat Games, Opus
- Want to kill time while playing Adventure Game or reading a Visual Novel
- Love to be in World of Ghosts, or like to play Ghost Games, Interactive Story Games
- Want to play for free? Our Visual Novel ‘Underwor
It’s a completely unparalleled Visual Novel, Ghost Game, Best Novel Game you have ever played made especially for smartphone users!
Do you read books but being bored with it? Like to play interactive story games, visual novels, adventure games, ghosts games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors.
■ Introduction to Underworld Office | Visual Novel & Adventure Game:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
■ Intriguing Plot
In our Hidden story game, ghosts game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
■ Key Features of our Ghosts Story, Mysterious Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Ghosts Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
■ EXTRA FEATURES to enjoy our Adventure Game (Ghost Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Ghost Game
- Meet with ghosts in our ghost game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, ghost game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure game, ghost game
■ Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Ghost Game!
■ We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Ghost Games, Adventure Games or Chat Games, Opus
- Want to kill time while playing Adventure Game or reading a Visual Novel
- Love to be in World of Ghosts, or like to play Ghost Games, Interactive Story Games
- Want to play for free? Our Visual Novel ‘Underwor
Latest updates
1.4.4
Minor bug fixed
More from Buff Studio Co.Ltd.
Underworld Office: Story game Android
Underworld Office: Story game is #186 in Games › Adventure Free on Google Play in South Korea and charting in 1 of 23 countries we track.
Updated 7 Nov 2026 · rankings refresh through the day
DeveloperBuff Studio Co.,Ltd.
CategoryGames › Adventure
PriceFree
Released
Installs5M+
Rating★ 4.9 (167k)
Updated
Content ratingTeen
Rating
4.9 ★
167k ratings
Measured
Best rank now
#186
Games › Adventure FreeMeasured
Underworld Office: Story game on Google Play
App details
App ID
com.buffstudio.uwofficefree
Publisher
(주)버프스튜디오
Publisher country
South Korea
Content rating
Teen
Underworld Office: Story game 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.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
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 Underworld Office: Story game before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Underworld Office: Story game makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 9 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 1000 Tickets | |
| 2 | 400 Tickets | |
| 3 | Remove Ad, 800 Tickets |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Games › AdventureFree | #186 |
Apps near Underworld Office: Story game on the chart
Games › Adventure Free, around #186.
Ratings
Google Play, worldwide.
Rating
4.9 ★
167k ratings
Measured
Ratings
167k
Measured
Written reviews
4k
Measured
About Underworld Office: Story game
Do you read books but being bored with it? Like to play interactive story games, visual novels, interactive story, mystery games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors.
Here we come a Visual Novel, filled with horror, touching, innocent episodes, storyline and chat stories!
It’s a completely unparalleled Visual Novel, Mystery Game you have ever played made especially for smartphone users!
If you want an ad-free experience, please purchase the paid version. You can enjoy unlimited play without the ticket system.
Link: https://play.google.com/store/apps/details?id=com.buffstudio.uwoffice
📖Introduction to Underworld Office | Visual Novel, Adventure Games:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching, innocent episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
💬Intriguing Storyline
In Hidden story game, mystery game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
🎮Key Features of our Mystery Game, Visual Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Mystery Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
📌EXTRA FEATURES to enjoy our Adventure Games (Mystery Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Mystery Game
- Meet with ghosts in our Mystery game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, Mystery game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure games, mystery game
💯Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Mystery Game
👍We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Mystery Games, Adventure Games or
Here we come a Visual Novel, filled with horror, touching, innocent episodes, storyline and chat stories!
It’s a completely unparalleled Visual Novel, Mystery Game you have ever played made especially for smartphone users!
If you want an ad-free experience, please purchase the paid version. You can enjoy unlimited play without the ticket system.
Link: https://play.google.com/store/apps/details?id=com.buffstudio.uwoffice
📖Introduction to Underworld Office | Visual Novel, Adventure Games:
Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching, innocent episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time!
💬Intriguing Storyline
In Hidden story game, mystery game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return…
🎮Key Features of our Mystery Game, Visual Novel game:
- Light novel, adventure game, visual novel, styled mysterious text
- Attracting characters in this hidden story game
- Enjoy a different world with about 40 short animations and 150 illustrations
- Find all 7 different routes through making different choices | Mysterious Novel
- Collect all 25 titles and 60 album illustrations in adventure game & enjoy it.
- If you ever played Hidden Story game, Mystery Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too.
📌EXTRA FEATURES to enjoy our Adventure Games (Mystery Story Novel):
- This Adventure game is for FREE! Enjoy our Visual Novel | Mystery Game
- Meet with ghosts in our Mystery game that is cute & stern at the same time!
- Play unique puzzles in this hidden story, Mystery game. Your story will depend on what you choose in this our visual novel
- More stories to come! We will notify you about our upcoming visual novels, adventure games, mystery game
💯Why Novel?
In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it.
Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Mystery Game
👍We recommend this Adventure Game, Visual Novel for…
- Who Like Visual Novel, Mystery Games, Adventure Games or