[Exploration level] + [Rigorous and hardcore] + [Reasonable plot] + [No reading threshold] + [No reduction in intelligence]

An absolutely rigorous backroom exploration survival article, using the Wikidot version of Backrooms, with original document images and self-made images.

"If you accidentally cut out of reality at the wrong place, you'll end up in the back room, where there's nothing but putrid, damp carpets, a maddening yellow drabness, the incessant hum of fluorescent lights at full blast, and about six hundred million square miles of randomly divided, empty rooms that you're stuck in. And if you hear anything lingering nearby, God help you, because it's sure to hear you too..."

The W version of Level C-549 is also published by the author himself, with quality guaranteed, so you can read it with confidence!