Allows for code disassembly and editing.An editor which lets you change (almost) every single value, including unknown ones.

Properly handles all of the pointers in the file so that if you add/remove stuff, make things longer/shorter, move them around etc.Can read every single byte from the data file for lastest version of Undertale, Deltarune, and most other GameMaker: Studio games (GM:S 1.4 and GMS2 bytecode versions 13 to 17 are currently supported) for every platform and then recreate a byte-for-byte exact copy from the decoded data.Choose this if you don't care about finding the right executable in-between of ~300 dll's, or if the stability issues from the Single file build affect you. Non-single File - all dependencies are not embedded within the executable, but are now located right next to it.This does make your folders cleaner, however it also causes some unexpected stability issues. Single file - the tool is only one executable, with all dependencies embedded within it.

NET bundled, so you don't have to worry about installing the necessary runtime. NET runtime version needed to run the tool alongside it. It's worth noting that UndertaleModTool has different builds per release. Note, that you can update to the bleeding edge releases at any time from within the settings menu of UndertaleModTool.

I heard you like digging deep into GameMaker games like Undertale/Deltarune, so here's a tool just for you!īoth the latest stable release and the most cutting edge version can be downloaded from the table below! – Soulful, character-rich story with an emphasis on humor.(seeing such an amazing tool fills you with DETERMINATION.) – Time your attacks for extra damage, then dodge enemy attacks in a style reminiscent of top-down shooters. – Killing is unnecessary: negotiate out of danger using the unique battle system. Each adversary has unique bullet patterns that you must dodge as well (don’t worry, it’s not that hard). Or, ignore this choice and rain destruction upon your foes.īut your journey will take determination. Whisper your favorite secret to a knight. Each enemy can be “defeated” nonviolently. Welcome to UNDERTALE, an RPG game where you don’t have to kill anyone. Now you must find your way out… or stay trapped forever. In UNDERTALE you play as a human child who falls underground into the world of monsters.

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