Nope, there aren't . Anyone can make their gameplay differences if wished. If you know decorate or zscript, you can make those differences to happen.
If you have read the read me file. You can read it runs on GZDoom GEC Master Edition, aka DZDoom, but you can run it on Doom 64 Ex and the 2020 Remaster.
In the full sprite sheet contained in the zip, you will see unused animations anyone can use to add more to those gameplay differences.