Make sure to read Ra as well. One of my favorite webfics. https://qntm.org/ra
https://www.amazon.com/Ra-qntm/dp/B096TRWRWX
Have this in my personal library as well as a (paperback) of Permutation City. I think it's awesome they're published online but there's something special about having it in print too.
Antimemetics, being SCP-related, comes with a hefty dollop of magical realism.
Ra, to me, felt like a rocket ride as new ideas, twists, and exponentially escalating stakes get thrown at you. The pacing is very jerky, and I can very much understand if people just nope halfway through.
In particular, the characters... suck (my apologies, Sam)
In some ways, it’s even less fantastical than antimemetics, think magic as a sub-branch of advanced physics and in no way mystical.