Level -4, Enter The Backrooms Wiki

Level -4 is the 5th negative level of Enter The Backrooms. Level -4 is an infinite forest with trees entirely made of TV static. Above that, you can see a near-resembling mirror of the level above you. This mirror is inverted, so expect it to invert your control. Level -4 is mostly safe as only Corruptors and Menders appear. However, Corruptors are far more common at this level. Upon entering the level, you will hear a static sound produced by the trees while hearing a loud, radio-frequency whoo

Level 7: Thalassophobia

Level -18, Backrooms Wiki

Against The Backrooms on Steam

There is a critique in the main Backrooms Community about how Kane didn't stick to the original idea because he used entities (same community that has too many levels and entities) but

Da Backrooms - Roblox

Level 2 - Faithful Backrooms

The Hub - The Backrooms

Level 3008 - A Perfectly Normal Ikea : r/backrooms

Da Backrooms - Roblox

Level -10: The King's Fortress, Backrooms Wiki

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Level 1 (Archived) - The Backrooms

Level 0 The Backrooms

A Glitch in Space and Time: Breaking Down The Backrooms - Horror Obsessive

A Glitch in Space and Time: Breaking Down The Backrooms - Horror Obsessive