The Interview.

"If you're not careful and you noclip out of reality in the wrong areas, you'll end up in the Backrooms, where it's nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundred million square miles of randomly segmented empty rooms to be trapped in. God save you if you hear something wandering around nearby, because it sure as hell has heard you..."

The year is 2008 after a large group of disappearances at an abandoned building drawing the attention of the SCP Foundation. They would soon learn of its history and what was within it, leading them into a reality, unlike any they have seen or experienced before.