Z-283 Lights flicker as a warning sign. If a player is in its line of sight along its path, it kills them instantly. It emits an EMP upon passing, destroying the room's lights. Hide in a locker.

Z-283-B Blitz Lights flicker as a warning. It moves at an incredibly high speed. Kills any player in its path instantly. Hide in a locker. Z-283-P Pinkie Has no visual warning; must be identified by sound. It moves while letting out a sharp scream, killing players in its path. Hide in a locker. Z-283-F Froger Appears with flickering lights. Performs a secondary rebound attack. Time your hiding accordingly. Z-283-C Chainsmoker Warning signs are the same, but it emits smoke and moves very slowly. However, entering a locker too early will result in death. Time your entry into the locker carefully.

Z-367 Warning signs are similar to the Angler and its variants with flickering lights, followed by a distinct low, long howl echoing through the facility about 3-5 seconds later. It will chase and kill players upon detection, so hide in a locker and hold out as long as possible.

Z-317 Staring directly at its eyes deals 1 damage per tick accompanied by Geiger counter sounds. Hide behind something that breaks line of sight.

S-Q Attacks if a light is shined on its body or if a player stares at its face within a certain range. It growls lowly upon physical contact and attacks if contact persists for more than 4 seconds.

Z-V06 Lurks inside lockers. Check the gaps of a locker carefully before opening it. Opening a locker containing it results in being dragged in and killed.

Z-90 As the name suggests, it hides inside walls, camouflaging its flat body parts to look like the building's surface. Upon finding prey, it hunts by stealthily assassinating from behind rather than direct confrontation. It flees if spotted... Check your back frequently.

Z-17 Only appears in the Garden. Usually docile, but will scream and charge to beat a player with its fists if the grass is stepped on.

The facility's supercomputer. Responsible for guiding the player by calculating efficient routes. It is integrated into various systems, including the submarine.