FICHA · AUR

undertalemodtool-avalonia-bin

The rewrite of UndertaleModTool with a cross-platform framework Avalonia

  • game-modding-tool
  • DESKTOP
  • GAME-MODDING
  • GAMEMAKER
  • Launchable
official+codex · reviewed · Jun 5, 2026 description in en

Description

GameMaker projects and Undertale data files can be inspected, unpacked, and modded in the Avalonia rewrite of UndertaleModTool. It is for modders who need a cross-platform UI for GameMaker game data.

Work on copies and respect game licenses. Modding tools can decompile copyrighted content, rewrite game files, and expose spoilers, mature material, or community scripts.

How to run

undertalemodtool-avalonia.desktop

Permissions

Permissions not analysed for this source yet.