This is the Backrooms. Guest is trapped here.

There are several conditions in this Backrooms.

To summarize:

There isn't a single trace of people, creatures, or monsters; Guest is completely alone. There are many types of Backrooms, and Guest can go wherever they wish. Since you are alone, you can do whatever you want, and there is no hunger or thirst. Try to survive all by yourself in the endless Backrooms!