Underworld Office: Story game

Name: Underworld Office: Story game
Rating: 4.5775747 (166942 reviews)
Author: Buff Studio Co.,Ltd.

Buff Studio Co.,Ltd.

★ 4.6 (166,942 ratings)

⬇ 5,000,000+ downloads

Est. actual: 6,554,201

Style: Adventure

Free

Released: Nov 10, 2020

IAP: $0.89 - $3.99 per item

Contains ads

Rated: Teen

Mechanics Interactive story & choicesStory & characters

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +2.6K installs — 1% faster than the week before (+2.6K) · 376/day since Sep 17
🏆Among Adventure games top 7% by installs gained this week (10096 peers growing)
⭐Rating steady at ★ 4.58 since Sep 17
🛠Updates dormant · updated 276 days ago

Installs since launch

+16,932 installs · +125 ratings since Sep 17

SDKs in the app · version 1.4.4, analysed Oct 3, 2026

Ad mediationAppLovin MAX
Ad networkAppLovin SDK Google Mobile Ads (AdMob) 24.9.0 Meta Audience Network 6.21.0 Pangle 7.8.5.9 Tapjoy Unity Ads 4.16.6
Ad qualityAppLovin Ad Review (SafeDK)
AttributionTikTok Business SDK 1.5.0
ConsentGoogle User Messaging Platform 3.2.0
Game engineUnity (engine)
PaymentsPlay Billing Library 8.0.0

5 mediation adapters

Adapters connect a mediation SDK to an ad network. An adapter alone does not mean the network’s own SDK is bundled.

AppLovin MAX adapter → YandexAppLovin MAX adapter → Yandex 7.8.5.9.0AppLovin MAX adapter → Yandex 6.21.0.0AppLovin MAX adapter → Yandex 24.9.0.0AppLovin MAX adapter → Yandex 4.16.6.0

Found by static analysis of the app package; bundled is not the same as active. All SDKs →

Update history

1.4.4 Jan 30, 2026 · seen Sep 18, 2026

Only the current version so far — new entries appear as the game ships updates.

Trailer

Underworld Office: Story game screenshot

Underworld Office: Story game is an adventure game by Buff Studio Co.,Ltd. with 5,000,000+ downloads (about 6.6M estimated). +2.6K installs in the last 7 days. Rated 4.6 from 167K ratings. Released Nov 10, 2020. Install growth, rank history, SDKs and ad networks.

From the store listing: “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…”