The Backrooms: Construct Edition

"If you're not careful and 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"

In this game, You will be a human who had the
bad luck to be noclipped to the Backrooms,
where You will have to escape if you want
to survive.

There are 12 levels:
Normal Levels: Level 0, Level 1, Level 2, 
Level 3, Level 4, Level 5, Level 6, Level 7 and Level 8
/ 9 levels  
Endings: The Frontrooms and ₮ⱧɆ Ɇ₦Đ / 2 levels  
Secret Levels: Level ! / 1 level