The Known Levels of The Backrooms : r/TheBackrooms

The Backrooms - Level 0 - Entering The Backrooms

The Backrooms Levels Explained Vol. 1, book by MrMysterious

My cosmology of the backrooms, based on the theory that the backrooms are a 4-dimensional object in theoretical physics and geometry called a Tesseract, explanation in the comments : r/TheBackrooms

What is The Backrooms, and why is it appearing in Dreams?

Inside the Backrooms vs Escape the Backrooms - Differences and Which to Get

The Backrooms Entity List: Info & Ranked on Creepiness — CHELSIDERMY

The Backrooms: Found Footage on Steam

The Backrooms, Explained: A Guide To The Internet's Favorite Non-Reality

How to 'No-Clip' Reality and Arrive in the Backrooms