Level 0 - The Lobby. The level you woke up in. Survival difficulty: class 1. safe, unsecure, minimal entity count. Level 1 - The Habitable Zone. The level that comes after level 0. Level 1 resembles a warehouse, with concrete walls, floors, and ceiling. It has fluorescent lights, creating a low buzzing sound throughout the level. There are many props scattered around the Level. It is safe but when the lights turn off it means there will be 2 dangerous entities, smilers and skin stealers.