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Comments (3)

What do you think?

Krul @_Krul

This looks great! (I've seen youtube footage)
But I hope The Temmie when you save at the end was a joke-

Krul @_Krul

This looks great! (I've seen youtube footage)
But I hope The Temmie when you save at the end was a joke-

Danielmendes1_d849 @Danielmendes1_d849

Will we have monster companions to help us with puzzles and combat on the pacifist route?

Free

UNDERSWAP Mod (( DEMO ))

Version: 0.0.14 days ago

Please note that this isn't a separate game. It's a mod for Undertale, meaning you need the base game to play it. #undertale #adventure #rpg

Development Stage

Early Access

Engine/Language

Game Maker: Studio

Published On

September 7, 2025

Mild Cartoon Violence

Mild Fantasy Violence

UNDERSWAPTHEGAME @UNDERSWAPTHEGAME

Pinned15 days

Subscribe to the YouTube channel to view early gameplay:
https://www.youtube.com/@PLAYUNDERSWAP
Keep in mind that everything in the preview is subject to change.

UNDERSWAPTHEGAME @UNDERSWAPTHEGAME

4 days

It's out! Credits will be posted shortly. The installation instructions are included in the `readme` file.

UNDERSWAPTHEGAME @UNDERSWAPTHEGAME

6 days

The first build will be available on Saturday, September 6th. Stay tuned!

UNDERSWAPTHEGAME @UNDERSWAPTHEGAME

14 days

Remember, the mod is in early work. Napstablook's counterpart is currently the final boss. More content will be added without losing the demo status.

UNDERSWAPTHEGAME @UNDERSWAPTHEGAME

14 days

The download will be available in the upcoming days. Various improvements have been made since the gameplay video.
Check it out, by the way:
https://www.youtube.com/watch?v=XlKsTPLYYJA

https://www.youtube.com/watch?v=XlKsTPLYYJA

https://www.youtube.com/watch?v=XlKsTPLYYJA

Underswap Mod

Comments (3)

UNDERSWAP Mod (( DEMO ))

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Comments (3)

UNDERSWAP Mod (( DEMO ))

Recommended