Trombone Champ Custom Chart Loader
This project is licensed under the terms of the MIT license.
If your game isn't modded with BepinEx, DO THAT FIRST! Simply go to the latest BepinEx release and extract BepinEx_x64_VERSION.zip directly into your game's folder, then run the game once to install BepinEx properly.
Next, download TrombLoader.dll and put it into your game's BepInEx/plugins folder.
After this, a "CustomSongs" folder will be created inside the BepInEx folder. Custom charts can be placed in this folder, uncompressed.