Level [?3 is the [UNDEFINED] level of the backrooms.
Class 4
Unsafe
Description
Level [?3 looks like a corrupted island filled with dangerous entities, you can often get hallucinations of other level properties such as the hum-buzz of level 0 or the start up of the computer from The End. Entity sounds can also be heard here this cause a great portion of your sanity if you've heard them more than 30 times
How To enter
Way 1
Escape Level [?2
But it can send you in other level [?.
Way 2
Noclip from Level 48 To this level from the wall
Way 3
See Some A Grey/Black/White height 16 tall Figure with no hands in level 23 ,and touch any where and it will send you to this level.
Way 4
Find some door and go there from level 207
Exits
Theres no exit....