Venture into the unsettling, infinite expanse of the Backrooms! This tier list ranks the most notable and terrifying levels within this liminal dimension. From the deceptively simple yet deadly Level 0 to the mind-bending challenges and existential dread of higher-numbered zones, we explore the environments that define the Backrooms experience. Discover which levels offer the most intriguing lore, the most perilous encounters, and the greatest potential for escape. Prepare to confront the unknown as we uncover the best and worst the Backrooms has to offer, including the enigmatic and potentially reality-altering Lv 3999.