S+ Tier

Eye DropsCounter-itemMandatory counter for the Mass of Eyes anomaly. Apply while looking up. Hoarding Eye Drops is the most common mistake of new players.

S Tier

TaserDirect counterDirect stun and despawn for Skinwalkers, Black Figures, and Crazed Patients. Limited battery — most teams gate use to confirmed-threat scenarios.Monitor CameraDetection toolHalf of the dual-camera SOP. Always paired with the Photo Camera for Skinwalker identification. The discrepancy ratio determines pass/fail.

A Tier

Fire ExtinguisherCounter-itemUnlocks at Shift 3. Spraying a Camouflage Entity at its wall coordinates forces an immediate despawn. Critical late-game corridor logistics tool.IV DropsCounter-itemApply to the candle spawns around a Crazed Patient to break the Death Ritual logic loop. Also a standard medical item for non-anomalous patients.ScalpelQuest itemSingle fixed-spawn location in Room 8. Required for Barney Stage 4. Watch for the Room 8 Tentacle Hazard — strict 45-second window during patient healing.Photo CameraDetection toolCross-reference with the Monitor Camera to detect Skinwalker visual discrepancies. Mandatory for the front-desk SOP.

B Tier

Maple SyrupCounter-itemStand inside a Bed Monster's 4x4 aggro box while holding 1x Maple Syrup. The entity consumes the syrup and despawns — yields a positive rating boost.CoffeeStamina / quest itemRequired for Stages 1-3 of the Barney questline. Also used in the 3-sip pacify trick against the Window Banger (2 sips consumed, 1 given).

C Tier

Cough SyrupMedical itemStandard treatment item for common feline / canine patients. Not an anomaly counter — pure throughput optimization.