Sub-basement

Difficulty Class

Extreme

Entity Population

Unknown

Survival Rating

16%

Difficulty

7/10

Description

Level 9 — Sub-basement. A persistent layer of the Backrooms catalogued by JustUnleash field operations. Classified Extreme. Notable for a smell of stale paper.

Explorer Notes

Explorer SIGNAL-46 reports: "My recorder filled itself, but I came back."

Hazards

▸Static pocket
▸Audio cascade
▸Pressure drop
▸Loop trap

Survival Tips

▸Salt thresholds before sleeping
▸Avoid reflective surfaces during the encounter window
▸Sleep with one shoe on, one off
▸Maintain a sustained low hum to disrupt mimicry

Entrances

▸No-clipping through elevator shaft on Level 9
▸Falling asleep in Level 1

Exits

▸Finding the only running vending machine returns you to Level 7

Resources

▸Almond water canisters
▸Tuned tuning fork
▸Loose copper wire
▸Discarded notebooks

Resident Entities

Screenshots