This microcontroller can be used to slow down time at any rate you want! (precisely control tickrate)
It works without mods, just LUA script
You can check demonstration of it work here:
[url=https://steamcommunity.com/sharedfiles/filedetails/?id=3692513099]https://steamcommunity.com/sharedfiles/filedetails/?id=3692513099[/url]
Please like this if you think it is cool.