Doom SnapMap Custom Editing

[Oday]

I wonder if there are any other ways to get out of the main Doom SnapMap's objects and logic. I've had seen a few people's SnapMaps with many different things that don't seem to be straight from what's already given in SnapMap. Like an object with a customized rotation while it doesn't have an option to change its rotation. Models that I've never seen before. Unused campaign sounds. And so many more.

An example of what I'm talking about,
MAP ID: CY3FS56V

Edited December 21, 2021 by Oday
No real response and I found something called, "Snaphack"