Only 2 sad entity

This is called the Frontrooms

You forgot about the bathrooms

Just say level 0-3999

Office rooms

Lvl 0 - Lvl The true end (You know the grey staircase)

Run,level Ohio,creative minds,the window,the warehouse(level 20),claustrophobia

Lv 0 - the lobby
Lv 1 - habitable zone (or Lurking danger if you're an og)
Lv 2 - pipe dreams
Lv 3 - electrical station
Etc... I can list more if ya want

Oof

lvl 0 lobby
lvl1 warehouse
lvl2 pipe dreams
lvl3 electrical station
lvl4 office
lvl5 (?)
lvl6 night neighborhood
lvl7 thalasaphobia
lvl8 (?)
9-10 (?)
11 city
11.1 aesthetic city (my favorite level)
level fun =)
poolrooms
The Promised Land
Where you go when you WIN ;)
lvl 36: airport

Lv 5 - terror hotel
Lv 8 - cave system
Lv 9 - the suburbs
Lv 10 - field of wheat

oh yeahhhh field of wheat I like that one
anyway thanks

Backrooms

Literally all I know