
Mod
Undertale Yellow But Blue
About this game
This game takes place in an AU in which Clover and Flo (An OC of the Integrity Soul) switch places. Go through all of Undertale Yellow with a twist. That being using the blue soul mode throughout all battles. Several pieces of dialogue and even some cutscenes have been changed.
Welcome to Undertale Yellow. In this fan made prequel to the RPG Undertale, you control a human who falls underground into the world of monsters... but will you make it out alive? Grab your cowboy hat and your gun and take the place of Undertale’s Yellow soul in their journey through the Underground on an original adventure.
When a child named Clover sets out on a mission, they find themself deep within the Underground. In this foreign land, monsters lurk around every corner, but are they friend or foe?
Screenshots





Trailers & videos
Trailer
Game facts
Release date
Feb 29, 2024
Developer
Monngo
Publisher
Monngo
Platforms
PC (Microsoft Windows)
Genres
Role-playing (RPG), Turn-based strategy (TBS), Adventure
Themes
Fantasy
Game modes
Single player
Perspective
Bird view / Isometric
Editions & related releases
More games to explore
Game data and artwork via IGDB.






