This specific level serves as the "hook." Level 0 proves you can get lost; Level 1 proves you can be hunted. It’s the point where players realize the Backrooms aren't just an empty void—they are a functioning, hostile ecosystem.
Supply stashes are scattered here, but so are the entities. This is where the game shifts from "exploration" to "survival." The Gameplay Loop
Once you "unzip" the transition from the tutorial Level 0, you arrive at Level 1. Unlike the damp, yellow mono-texture of the entrance, Level 1 resembles a sprawling, industrial warehouse or an endless parking garage. The air is slightly cooler, smelling of stale concrete and ozone.