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UnderminersTeam / UndertaleModTool

The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)

Repository stars
2,111All-time #25,455
Fork
370
Last push
updated 2 months ago
Repository created
since 2018
Apps & systemsGeneralC#GPL-3.0 · Share derivative source
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Original · GitHub
The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)

Summarised by AI from the README; the original prevails

Author description: The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)

Basic listing based on official public information; functionality has not been independently evaluated.

Pricing
Pricing not verifiedCheck current official software, hosting, model and infrastructure pricing.

Star trend

2,1112,1122,11211-06 · 2,11110-0810-1310-1810-2310-2811-0211-06

First collected 2026-11-06Measured at 2026-11-06 09:52 UTCSourceLicense source

Compiled from public project information; not independently tested. · Repository Stars, not unique users · License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited.