If you’re wondering what is the last level of the backrooms, it might come as a surprise to you that the game itself doesn’t really tell you anything. You can find hints and notes all over the building and corridors, and it’s up to you to figure out how to escape. The trick is to keep your mind cool and focus on the differences of the rooms and corridors, not letting your emotions get in the way.
One theory suggests that the last level is the , a trap Level that creates the illusion of escaping the Backrooms. This is supposedly because the Level consists of a seemingly endless modern library, with the main area decorated with letters reading ‘THE END’. Wanderers who enter this Level are also likely to experience near complete silence, with some areas measuring as low as -6dB.
Another theory is that the is actually a Sears department store, and it is possible to reach this level from any of the other levels by walking through a door on the right side of the main building. However, this is unlikely to be true because a player would need to re-enter the Backrooms through a different entrance in order to reach this place.
A third theory is that the is actually based on a Holiday Inn hotel, and it’s the level where a player might encounter the Window entity. It is believed that if you can avoid the Window entity long enough, you might be able to exit the Level through one of its windows.