Underworld Office: Story game
Underworld Office: Story game Summary
Underworld Office: Story game is a free, ad-supported, with in-app purchases Android app in Adventure by Buff Studio Co.,Ltd.. Released in Nov 2020 (5 years ago). It has about 6.5M+ installs and 167K ratings with a 4.69★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 50K monthly active users and generates around $<10K monthly revenue (42% IAP / 58% ads). Store last updated Jan 30, 2026
Recent activity: 3.3K installs this week (16K over 4 weeks) showing steady growth , and 26 new ratings this week View trends →
Advertising: AppGoblin detected 1.00 monetized ad creatives shown inside the app.
SDK intelligence: AppGoblin detected 8 ad networks(e.g. AppLovin), 7 development tools, 2 mediation, 1 analytics: product,and 1 business tools integrated into Underworld Office: Story game. View full SDK list →
Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jun 9, 2026.
Underworld Office: Story game SDKs Summary
Underworld Office: Story game was last scanned for SDKs on 2026-05-15. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
AppGoblin saw Underworld Office: Story game uses 8 Ad Networks
AppGoblin saw Underworld Office: Story game uses 7 Development Tools
AppGoblin saw Underworld Office: Story game uses 2 Mediation
AppGoblin saw Underworld Office: Story game uses 1 Analytics: Product
AppGoblin saw Underworld Office: Story game uses 1 Business Tools
4.69★
Ratings: 167K
Screenshots
App Description
Are You Bored? Play our Masterpiece Mystery Story, Visual Novel, Adventure Games
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 tim

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