Sudden Changes

This is a completely free to play fan-made unofficial project based on the original Undertale™ game created by Toby Fox.

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 [email protected]. 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.