How to Install Undertale AUs?
You'll need to download the AU files (like Underfell or Deltarune) from a trusted source. Then, place them in the same directory as your Undertale game files. Launch the game and enjoy the alternate universe!
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Alternative universes in Undertale can be installed by downloading the AU mod files and placing them in the game's directory. Enjoy your new adventure!
Just download your preferred AU, extract the files, and replace the original ones in the Undertale directory. Simple as that. Happy modding!
First, grab the AU mod you want from a trusted site. Then, just replace the original Undertale data files with the AU files. Make sure to back up the original game, though!
If you love Undertale, AUs are a fun way to get more out of it. Just swap the files in your Undertale folder with the AU files you've downloaded.
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