Level 484: Every breath you take....
Level 484 is the 485th Level in the backrooms. The levels first layer has no structure of any sort (including the ground) but forces a traveler to relive there entire life from there first breath. Travelers would only really be reliving there life for one day in real time. But for the traveler it could be decades of reliving there life.
Depending on which way your chose to relive your life. You would be put in many different layers of this level ranging from heavenly and paradise like to downright creepy and dangerous,
STILL IN THE WORKS!