What is UnderTale Yellow Decompilation?

UnderTale Yellow Decompilation is an open-source decompilation of Undertale Yellow. Source code reconstructed from the original game's compiled binary, so the game can be understood, rebuilt and ported.

UnderTale Yellow Decompilation

DecompilationHalted

Source code reconstructed from the original game's compiled binary, so the game can be understood, rebuilt and ported.

Based on Undertale Yellow

Image of the original game, Undertale Yellow. This project has no screenshots of its own yet.

Undertale Yellow (original game, not this project) — Image of the original game, Undertale Yellow. This project has no screenshots of its own yet.

Links, repository & details

About

A decompilation of UnderTale Yellow v1.2.1, using GameMaker version 2023.4.0.84.

Known issues & limitations

GMLive is present in the project but still uses decompiled code, the decompilation is not yet organized, and stock Underanalyzer enums are still in use.

FAQ

What is UnderTale Yellow Decompilation?: UnderTale Yellow Decompilation is an open-source decompilation of Undertale Yellow. Source code reconstructed from the original game's compiled binary, so the game can be understood, rebuilt and ported.