To make beatmaps ( levels ) for Rhythm BOOM, you need to use Chromapper

Chromapper first time setup ( if you never used it before )

Video tutorial:

https://youtu.be/oieq8jeZEEs

Note:

the new version of Chromapper auto creates the explained folder structure for you when you first launch it ( you simply need to select an empty folder as the Beat Saber installation folder )

Video summary:

  1. create an empty folder named anything, like “mychromapper”

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  1. inside “mychromapper”, create a folder called exactly “Beat Saber_Data”

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  1. inside “Beat Saber_Data”, create 2 folders called exactly:

    1. “CustomLevels”
    2. “CustomWIPLevels”

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  2. copy the path to “mychromapper” folder and paste it in Chromapper program ( as shown in video above)

    1. the path will be something like F:\mychromapper