The Backrooms: Entities Explained: Vol. 1, book by MrMysterious

Inside the Backrooms elevator code guide

Save 50% on Backrooms Exploration on Steam

What are the Backrooms? – Tribal Media

Level 15, Backrooms Unlimited Wiki

The Backrooms: Level's 13-50 explained

Level Progression Chart, Escape The Backrooms Wiki

Steam Workshop::Backrooms - Level 3 (Electrical Station)

The Pool Rooms - Explained (The Backrooms Level 37), prison, swimming pool

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

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