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77
BU Score
Strong

Underworld Office: Story game

4.6 ✍️ Editor
✍️ bumetric analysis

Underworld Office: Story game is an Android app from Buff Studio Co.,Ltd. in the Adventure category, currently rated 4.6★ across 166,319 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 77: Strong (healthy traction). For a Adventure app, that means healthy traction.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (166,319 ratings)METRIC
+$12,000
Excellent rating (4.6★)METRIC
+$2,200
Established app (5y old)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v1.4.4🔄 updated 3mo ago📂 Adventure💰 Free📺 Ad-supported💎 IAP $0.99 - $3.99 per item🚀 Launched 2020 (5y old)

📝 About this app

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.
<a href="https://play.google.com/store/apps/details?id=com.buffstudio.uwoffice%22">Link:</a> https://play.google.com/store/apps/details?id=com.buffstudio.uwoffice

<b>📖Introduction to Underworld Office | Visual Novel, Adventure Games:</b>
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!

<b>💬Intriguing Storyline</b>
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…

<b>🎮Key Features of our Mystery Game, Visual Novel game:</b>
- 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.

<b>📌EXTRA FEATURES to enjoy our Adventure Games (Mystery Story Novel):</b>
- 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

<b>💯Why Novel?</b>
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

<b>👍We recommend this Adventure Game, Visual Novel for…</b>
- Who Like Visual Novel, Mystery Games, Adventure Games or Chat Games, Opus, Innocent
- Want to kill time while playing Adventure Games or reading a Visual Novel
- Love to be in World of Ghosts, or like to play Mystery Games, Interactive Storyline
- Want to play for free? Our Visual Novel ‘Underworld Office’ is 100% free to play.
- Love light novels, Masterpiece Storyline, Mysterious Novel or Adventure Games
- Those who want to move from the old stories & old templates of adventure game
- Love interactive mystery story, Masterpiece Novel, Storytelling game
- Those who get tired of playing regular novel games
- Who Like Adventure Games | Best Novel Games | Mystery Games | Chat Games | Innocent Storyline | Mysterious Novels

💌We bring new adventure game storyline! Now, you have the opportunity to enjoy our Visual Novel, Mystery Games, Story Games, Adventure Games!

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Underworld Office: Story game
Developer
Buff Studio Co.,Ltd.
Bundle ID
com.buffstudio.uwofficefree
App Store URL
Open in App Store
Category
Adventure
Content rating
Not found
Languages
Not found

Company

Website
www.buffstudio.com
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$2.4K/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
$0.99 - $3.99 per item

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth166,319 ratings+105% lifetimeShow 3-year history estimate ▾May 2023Dec 2024May 2026
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

More by Buff Studio Co.,Ltd.

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Full revenue analysis
Read the article-style breakdown for Underworld Office: Story game: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →