You can add the autosplitter without downloading it from here in your "edit splits" settings menu there is an "Active" button if you have selected Marble It Up! but if you some some reason just want the .asl file. Heres a download (direct download)

Last Updated: 10 Jul 2021

This was made in Python as a temporary autosplitter for the Mayhem betas until It's full release on Steam (direct download)

Last Updated: 13 Aug 2021

Seperate LiveSplit file with only Chapter 1 levels listed (direct download)

Seperate LiveSplits file with only the Chapter 2 levels listed (direct download)

Seperate LiveSplits file with only Chapter 3 levels listed. (direct download)

Seperate LiveSplits file with only Chapter 4 levels listed (direct download)

Seperate LiveSplits file with only Chapter 5 levels listed (direct download)

Seperate LiveSplits file with only Chapter 6 levels listed. (direct download)

A blank template for first-time Full Game runners. (direct download)

Here are blank splits for all 117 levels in the Mayhem version of Marble It Up! You can use them as is for an All Levels run, or copy paste sections to do Mayhem Arc, Bonus Arc, or chapter runs. (direct download)