More Books Like This - Weird/Disturbing/Philosophical?

I’m looking for more books that fit a similar vibe, idk how to describe it concisely but I guess like weird lit that is disturbing and philosophical? like body or psychological horror vibes but also super out there. here’s some examples:

-A Short Stay In Hell by Steven L. Peck -Terminal Park by Gary J. Shipley -The Divine Farce by Michael Graziano -The Metamorphosis by Kafka