Here is a blank .lss LiveSplit file.  Feel free to change the segment titles.  The number of segments and the order should work with the autosplitter.

OVERWHELM any% blank splits file

Extract the OVERWHELM.sol file.
  
Place it in the proper directory.  
  

Usually C:/Users/[your name]/AppData/Roaming/randomnine/OVERWHELM

Note that every folder at AppData and below will be set to Hidden by default.

OVERWHELM profile with unlocked speedrun timer

6oliath

Timebones

OVERWHELM

_Zorg_

Assist Mode

Normal Mode

New Game

New Game Plus

Difficulty

Game Mode

Switch

Rules for runs

Help with Autosplitter

Horse Glitch Info

FX Glitch Info

Early escape isn't a thing, sorry

Resources for new runners?

Skelteon

C0deR0gue

DarkerMagic