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  • Hidden Layer

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This app uses Tarkov APIReport a bug2026
Live Event:Halloween 2026

Hidden Layer

Starts:mechanicMechanic
Required level:1
Faction:Any
Restartable:No
Prerequisite quests:
  • Needle in a Haystack
Unlocks quests:
  • Sensory Analysis - Part 1
  • Offensive Reconnaissance
Hidden Layer

Objectives

  • Items:iconKnossos LLC facility key

Required items

KnossosKnossos

Guide (Wiki)

Related Quest Items
Icon Item name Amount Requirement Find in raid Notes
Knossos LLC Key iconKnossos LLC facility key1 Required N/A Unlocks the door to the Knossos LLC facility.

In this quest you have to locate, and open the door to the Knossos LLC facility, which means the transit to The Labyrinth. It is located in the basement of the health resort west wing on Shoreline. A Knossos LLC facility key is required to unlock the door. Transiting is not required.

  • Health resort west wing location marked on mapHealth resort west wing location marked on map
  • Transit location marked on west wing basement mapTransit location marked on west wing basement map
  • Door to the transitDoor to the transit

Rewards

+10,000 EXP
Mk 17 DefaultMk 17 Defaultx1
Mk17Mk17x3
M80M80x4
/1