7Days: Offline Mystery Story
7Days: Offline Mystery Story is made and published by Buff Studio Co.,Ltd. AppBrain is an independent app data site and isn't affiliated with Buff Studio Co.,Ltd. The app name, icon, screenshots and description belong to Buff Studio Co.,Ltd. and are shown as published on Google Play.
AppBrain's verdict
EstablishedWell ratedTop 10- Rating on Google Play
- 4.11
- 8,370 ratings
- Installs
- 330 thousand
- Last updated
- August 26, 2026
- Ads
- No ads
- Size
- 94.3 MB
7Days: Offline Mystery Story has 330 thousand installs. Users rate it well: 4.1 stars from 8,370 ratings. Its best ranking is #9 in Top Paid, Adventure in South Korea.
User feedback
Ratings and reviews on Google PlayComments on 7Days: Offline Mystery Story for Android
Google Play Rating history and histogram
Store listing
By Buff Studio Co.,Ltd., from Google Play“You'll never regret buying this. The plot, story, characters,etc are Awesome.”
Description by Buff Studio Co.,Ltd. Written by the developer, not by AppBrain. Click to read.
Are you getting bored of the classic, monotonous games? Will you like to play a choice based game offering different outcomes based on the choices you make? The new interactive fiction text story app is here to help you eliminate boredom and figure out how your brain makes choices. You are the decision maker and you will need to make tough decisions to reach the best outcome in the game.
■ Summary
Every choice you make changes your story.
Small choices add up to transform your relationships with comrades and determine your destiny and those of your comrades at critical moments.
You can choose to become the ultimate villain, or a trustworthy friend.
Everything depends on what you decide.
■ Synopsis
A number of dead spirits have been assigned to an interactive fiction test. Successfully completing the interactive story test ensures they will be resurrected.
The messenger of death has assigned them each a task. They must attack one another or work together to solve mystery and complete their tasks.
Your character, Kirell, must also complete the choice based games task she has been assigned.
But her tasks requires her to be the decision maker for others die.
Solve Mystery
The interactive story choice based game requires you to be the decision maker and solve mystery. Join the text story and shoot your shot in one of the most intense interactive fiction storyline games. With every choice you make in this game, the outcome of storyline games will change. The most thrilling part about this interactive fiction text story game is that you will never be able to guess the exact outcome of the choices you make.
Make Your Choice
At every step of the interactive story, you will be required to make a choice. As a decision maker of the choice based games, you will move through a series of texts, expressions, scenarios and charts to understand what is going on and make your move wisely. Remember that even the slightest choices can lead to big changes so you must stay cautious.
She has only seven days.
What choices will you make?
■ Unique features of 7 Days! Mystery Puzzle Interactive Novel Story
- Graphic Novel-style artwork with stunning graphics
- Storyline that changes according to your choices
- Various achievements and hidden challenges
- Multiple endings based on different choices of decision maker
- Interactive text story featuring expressions, charts and story options
- Solve mystery in the storyline games and discover new endings
- Mind-based, decision making game that requires lots of focus
- Use your intellect to ace the interactive fiction choice based games
The fun of the game is guaranteed. Download and Play 7Days!: Decide your story NOW!! Download and play 7 Days! Mystery Puzzle Interactive Novel Story today!
https://twitter.com/Buff_plus5
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- $4.99
- Libraries
- 41
- App size
- 94.3 MB
- Needs Android
- 7.1+
- Content rating
- Medium
Technologies used by 7Days: Offline Mystery Story
Releases
Updates seen on Google Play- Version
- 2.5.10
- Launched
- September 2018
- Oct 22, 2026Price DropNew price: $0.69 ($4.99)
- Oct 12, 2026Price IncreaseNew price: $4.99 ($3.99)
- Sep 27, 2026Price IncreaseNew price: $3.99 ($0.59)
- Sep 13, 2026Price DropNew price: $0.59 ($3.99)
- Aug 26, 2026UpdateVersion 2.5.10
Alternatives
Similar apps and more from Buff Studio Co.,Ltd.Alternatives to 7Days: Offline Mystery Story
More from Buff Studio Co.,Ltd.
Installs
Tracked by AppBrain- Last 30 days
- 2.9 thousand
- Per day
- 98
- 30-day average
- Play install range
- 100+ thousand
- Launched
- September 2018
Installs over time
7Days: Offline Mystery Story has been installed 330 thousand times. Over the past 30 days, it averaged 98 installs per day.
Rankings
Google Play top charts- Highest rank
- #9
- Chart
- Top Paid
- Adventure
- Country
- South Korea
Google Play Rankings for 7Days: Offline Mystery Story
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 9 | South Korea | Adventure | Top Paid |
| 58 | South Korea | Games | Top Paid |
| 17 | Brazil | Adventure | Top Paid |
| 92 | Brazil | Games | Top Paid |
| 22 | Turkey | Adventure | Top Paid |
| 23 | Austria | Adventure | Top Paid |
| 23 | Belgium | Adventure | Top Paid |
| 23 | Switzerland | Adventure | Top Paid |
| 23 | Czech Republic | Adventure | Top Paid |
| 23 | Denmark | Adventure | Top Paid |
Ranking history in South Korea
About the app and developer
About 7Days: Offline Mystery Story
7Days: Offline Mystery Story is an adventure app developed by Buff Studio Co.,Ltd.
Install Statistics
7Days: Offline Mystery Story has been installed 330 thousand times. In the last 30 days, the app was installed 2.9 thousand times. It is ranked #9 in adventure.
User Ratings
7Days: Offline Mystery Story is rated 4.11 out of 5 stars. The rating is based on 8.4 thousand ratings.
App Information
7Days: Offline Mystery Story costs $4.99. The app size is 94.25 MB. The latest version available is 2.5.10. The last update was on August 26, 2026.
Technical Requirements
7Days: Offline Mystery Story requires Android 7.1+ or higher. The app has a content rating of Medium Maturity. The app has been available on Google Play since September 2018.
App Performance Report
Get a detailed PDF report for 7Days: Offline Mystery Story with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Buff Studio Co.,Ltd.
Frequently asked questions about 7Days: Offline Mystery Story
Is 7Days: Offline Mystery Story free?
No. 7Days: Offline Mystery Story costs $4.99 on Google Play.
Is 7Days: Offline Mystery Story still available?
Yes. 7Days: Offline Mystery Story is on Google Play, and the last update we saw was on August 26, 2026.
Does 7Days: Offline Mystery Story contain ads?
No. Google Play does not list 7Days: Offline Mystery Story as containing ads.
What Android version does 7Days: Offline Mystery Story require?
7Days: Offline Mystery Story runs on Android 7.1 and higher.
How large is 7Days: Offline Mystery Story?
7Days: Offline Mystery Story is 94.25 MB.
Is 7Days: Offline Mystery Story suitable for children?
Google Play gives 7Days: Offline Mystery Story a medium maturity rating, so it is not meant for young children.
How many times has 7Days: Offline Mystery Story been installed?
Google Play lists 100,000+ installs for 7Days: Offline Mystery Story.
How do people rate 7Days: Offline Mystery Story?
7Days: Offline Mystery Story scores 4.11 out of 5 stars, from 8,370 ratings on Google Play.
Who made 7Days: Offline Mystery Story?
7Days: Offline Mystery Story was developed by Buff Studio Co.,Ltd. It is listed in the adventure category on Google Play.
What are the best alternatives to 7Days: Offline Mystery Story?
People looking at 7Days: Offline Mystery Story also look at these adventure apps: Choice of Life: Middle Ages, LoreBrain: AI Stories You Play, MeChat - Interactive Stories, Forgotten: D&D style text RPG, Decisions: Choose Your Stories.
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