7Days: Offline Mystery Story

Name: 7Days: Offline Mystery Story
Price: 3.99 USD
Rating: 4.13 (8601 reviews)
Author: Buff Studio Co.,Ltd.

Buff Studio Co.,Ltd.

★ 4.1 (8,601 ratings)

⬇ 100,000+ downloads

Est. actual: 328,768

Style: Adventure

3.99 USD

Released: Dec 3, 2018

No in-app purchases

No ads

Rated: Teen

Mechanics Interactive story & choicesStory & characters

Signals

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

📈Last 7 days +757 installs — 102% faster than the week before (+374) · 79/day since Sep 17
🏆Among Adventure games top 14% by installs gained this week (10306 peers growing)
⭐Rating steady at ★ 4.13 since Sep 17
🛠Updates quiet · updated 66 days ago

Installs since launch

+3,560 installs · +12 ratings since Sep 17

Update history

2.5.10 Aug 28, 2026 · seen Sep 18, 2026

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

Trailer

7Days: Offline Mystery Story is an adventure game by Buff Studio Co.,Ltd. with 100,000+ downloads (about 329K estimated). +757 installs in the last 7 days. Rated 4.1 from 8.6K ratings. Released Dec 3, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “Seven Days is a text mystery adventure game enjoyable for all audiences, with uniquely styled illustrations. The game proceeds as a series of chats, and users read through the story as they make important decisions. The choices made determine the route the story takes. Try the new 7 Days! Mystery Puzzle Interactive…”