How to install Undertale:Bits and pieces (or how to mod undertale)

Downloading

1. Download Undertale
2. Enter gamejolt and search for Undertale: Bits and Pieces [Mod] [Archive], or just click this url[gamejolt.com]
3. Download Undertale: Bits and Pieces - The Metal and Magic Update, because its stable
4. Unarchive the downloaded archive to any folder

Installation

1. Open DeltaPatcher.exe in folder .../utbnp-v4.2.4/DeltaPatcher
2. As original file choose data.win in undertale folder
3. As XDelta patch choose utbnp_v4.2.4.xdelta in utbnp folder
4. Patch it.
5. Transfer all files from utbnp folder to undertale folder (replace already existing ones)
6. Rename UNDERTALEBNP.exe to UNDERTALE.exe

Optional

You can also change the banner and the logo of Undertale in Steam. Banner and logo for UTBNP you also can find in the folder.
1. Right click on undertale banner
2. Choose to change logo/banner
3. Be happy (not optional. You must)
4. Rate this guide

How to mod undertale

To mod Undertale, you need to install the mod, unzip it, run XDeltaPatcher.exe, select data.win as original file, *.xdelta as XDelta patch. Now you need to patch it. That's all! Good luck!

[Tapok]

Have you selected the correct version of delta patch?

[Tapok]

Are you sure you downloaded everything correctly? Try again following the instructions. Please, select the files correctly to make it work

[StardYT]

i still getting this: XD3_INVALID_INPUT

[SleepyFellow03]

BlackHoleGuy, yes, the original mod was amde by a pedo, which is why the mod is cancelled, and the fiels are on an archive on gamejolt, but the mod is still great work

[Tapok]

steam/common/steamapps/undertale

[kirito]

how do i do step 5

[kirito]

how do i get the files to show up for undertale

[BlackHoleGuy]

wasnt undertale BnP made by a pedo? blaize mayes or something like that? i remember something like that happening a couple years ago

[Saberstike56]

It's a memodog. Help Memops ride through Steam guides by inserting it into other guides, otherwise it won't become a meme dog
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[Darth Nihilus]

OMG IM INSTALLING IT NOW, THANK YOU