Some recent videos, their language and their views:
The Backrooms (Found Footage) (en) – 4.3 million
The Backrooms (Found Footage) Reaction (en) — 695,000
POV: You ended up in this level of the Backrooms | newer version (en) — 661,000 and 492,000 respectively
The Backrooms: 12 First Levels (en) — 416,000
Felps SE ENFIANDO em Enter the Backrooms (pt-br) – 157,000
A FITA VHS DAS BACKROOMS! (pt-br) — 169,000
The REAL Backrooms exit... (en) - 114,000
LOST IN THE BACKROOMS WITH A TERRIFYING CREATURE. (en) – 86,000
(en) – English, (pt-br) – Portuguese. There was also a ton of other Mr. Incredible becoming (un)canny videos, but the list would be too long.