Sudden Changes is made and published by KYwoo. AppBrain is an independent app data site and isn't affiliated with KYwoo. The app name, icon, screenshots and description belong to KYwoo and are shown as published on Google Play.
AppBrain's verdict
Well rated- Rating on Google Play
- 4.09
- 169 ratings
- Installs
- 36 thousand
- Last updated
- July 13, 2026
- Ads
- No ads
- Size
- 12.8 MB
Sudden Changes has 36 thousand installs. Users rate it well: 4.1 stars from 169 ratings.
User feedback
Ratings and reviews on Google PlayComments on Sudden Changes for Android
Google Play Rating history and histogram
Store listing
By KYwoo, from Google Play“Welcome to Sudden Changes! An UT AU where Sans got a GUN!”
Description by KYwoo Written by the developer, not by AppBrain. Click to read.
All rights, characters, and assets belong to their respective owners.
This game is a fan work that is not affiliated with Toby Fox or the official Undertale team.
For any copyright inquiries or asset removal requests, please contact me directly at kywoo0130@gmail.com. I respect intellectual property and am fully committed to resolving the issues!
* Undertale By Toby Fox
* Created By xiaoQ
* Android Port By Ilka
* Released By KYwoo
This game is about the Sans boss fight in Sudden Changes.
The Story:
【NO AU】Sudden Changes is a role swap following the basic rules of Storyshift with only the lost souls, along with Mettaton, Napstablook, Chara and Asriel changing positions.
Recent changes:
Latest Release of Sudden Changes! SANS HAVE A GUN!
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 12.8 MB
- Content rating
- Everyone
Technologies used by Sudden Changes
Releases
Updates seen on Google Play- Version
- 3.0
- Launched
- February 2025
Alternatives
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More from KYwoo
Installs
Tracked by AppBrain- Last 30 days
- 3.6 thousand
- Per day
- 120
- 30-day average
- Play install range
- 10+ thousand
- Launched
- February 2025
Installs over time
Sudden Changes has been installed 36 thousand times. Over the past 30 days, it averaged 120 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Sudden Changes
About the app and developer
About Sudden Changes
Sudden Changes is a role playing app developed by KYwoo.
Install Statistics
Sudden Changes has been installed 36 thousand times. In the last 30 days, the app was installed 3.6 thousand times.
User Ratings
Sudden Changes is rated 4.09 out of 5 stars. The rating is based on 170 ratings.
App Information
Sudden Changes is freely available from Google Play. The app size is 12.85 MB. The latest version available is 3.0. The last update was on July 13, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since February 2025.
App Performance Report
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