I think i just hit rock bottom on this one

https://www.youtube.com/watch?v=SrQEvhMWm08
This is pretty ugly

Dear God… what did you do to that poor map? I’m seeing HOMs, wireframe glitching… OH GOD MY EYES

I fixed the issues since I posted this
https://www.gamebanana.com/maps/158414
that is the map

I don’t see missing textures. At least not those pink-black checkers.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.