A liminal space is any real in-between place that feels uncanny; the Backrooms is a specific fictional mythos built from that feeling — endless empty yellow rooms you 'noclip' into.
Side by side
Aspect
Liminal space
The Backrooms
Type
A concept / feeling
A fictional world
Real?
Yes — actual places
No — internet lore
Mood
Uncanny, nostalgic
Uncanny, dread
Scope
Broad
One specific myth
Which one you meant
Readers who land here meaning Liminal Space rather than The Backrooms are usually searching for phrases like “eerie empty transitional places that feel strangely familiar”, “that uncanny feeling of an empty hallway or airport at night”, “the in-between feeling after one thing ends and before the next begins”.
Liminal Space
“eerie empty transitional places that feel strangely familiar”
“that uncanny feeling of an empty hallway or airport at night”
“the in-between feeling after one thing ends and before the next begins”
“a photo of an empty place that makes me nostalgic and uneasy at once”
Where the confusion comes from
“Liminal space and the Backrooms are the same.”
Liminal space is a real feeling; the Backrooms is one fictional mythos built from it.