Trouble Launching Undertale from Steam - Workaround

I could not launch Undertale from Steam. After trying many things such as launch as admin I found this workaround for Undertale if it just won't launch at a

UNDERTALE 2 by Zizou

Anti-RPGs For Fans of Undertale

Steam Community :: Guide :: How to Install Undertale Bits and Pieces

What programs did Toby Fox use to make UnderTale? - Quora

Why can't I open undertale on steam? : r/Undertale

Fix Steam Game Won't Launch in Windows 11

Undertale Windows, Mac, PS4, VITA game - IndieDB

Fix: Steam Overlay & Screenshots Not Working – The Computer Noob

Undertale Remastered Mod v0.8.1 file - ModDB

Undertale Nexus - Mods and Community

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Undertale Borders Mod file - ModDB

Undertale creator Toby Fox releases new game called Deltarune