What if the Backrooms is a living entity that goes to other dimensions, tears them apart and then that dimension becomes a level in the Backrooms? The entities aren't FROM the Backrooms, they're things that lived peacefully in their own home before the Backrooms corrupted it completely, driven insane and forced to do inhumane things just to feed. Maybe that's why humans can noclip into the Backrooms. It's taking over our dimension, and we'll suffer the same fate as the entities already in it.
In Euclidean plane geometry, a rectangle is a rectilinear convex polygon or a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square. The term "oblong" is used to refer to a non-square r