Appearance: Resembles a humanoid made of wire. Characteristics: Hostile. Generally only appears in the Level 0 Lobby. Upon spotting a human, it attacks while emitting a tremendous scream-like sound. It has no eyes or mouth. It is the result of a human who wandered into the Backrooms and lost their mind. Cannot speak. Cannot open doors.

Appearance: Its mouth is split vertically from the nose area down to the abdomen. Characteristics: Hostile. It wears human skin and pretends to be human, attacking when it sees an opening. How to identify: Conversations don't make sense, blood is transparent, and it is unusually tall.

Appearance: ??? Characteristics: Hostile. Appears in the dark and hates light. It has a tendency to attack light sources. Since it only appears in darkness, only its smiling mouth and glowing eyes are visible. Cannot speak.

Appearance: Resembles a dog with a human face. Characteristics: Hostile. If bitten by a Hound, the victim becomes infected and turns into a Hound themselves. Cannot speak but barks. Weak to light; it will flinch and flee if hit by light from a flashlight or similar source.

Appearance: Takes the form of men, women, and children of all ages. Adult females look like Sadako. Characteristics: Adults are friendly and helpful, but children will try to kill you. Cannot speak. Regardless of age or gender, they have no facial features (faceless).

Appearance: Entire body is yellow. Eyes are vertical slits and the mouth is like a slit-mouthed woman, but the hands are also mouths. Characteristics: Hostile. Psychopathic; they make things like human flesh cakes. Holds a red balloon in the left hand. They share a collective consciousness; if one finds a human, all will attack. Only found in Level Fun. Cannot speak.

Appearance: Resembles a moth. Characteristics: Hostile. Females are massive and can carry a human, while males are small like those in the real world and swarm together. Females are hostile, but males are harmless. Cannot speak.

Appearance: Not clearly known, appearing only as a black silhouette. Characteristics: Hostile. Located on the other side of windows, they tap on the glass to lure humans. When a human approaches, they break the glass, reach out, and pull them in. Cannot speak.

Appearance: Resembles a black spider with an animal skull for a head. Characteristics: Hostile. Attacks from the ceiling. Large body. Cannot speak.

Appearance: Looks like a mass of numerous human limbs tangled together with a large mouth. Characteristics: Hostile. Cannot speak. It lures humans by extending a single hand before attacking.