Skip to content
DMZ CODEX · HAJIN EXCLUSION ZONE UPDATED 27 OCT 2026

Language

Sign in
Codex / Items / The Citadel Secondary Control Room Updated 25 Oct 2026
Key

The Citadel Secondary Control Room

Opens the secondary control room and its security station; an Uncommon key observed after the Citadel South Wing controls.

The Citadel Secondary Control Room
Shared key icon
Rarity
Uncommon

Use this key

Key Finder →

What it opens

The Citadel →Area grid B3

Return to the central Citadel and the landing described as labelled floor 2. Unlock the secondary control room, use its security cameras to open two fences, then climb one more level and cross to the loot cells. The creator says only one cell can be selected.

How to get it

Citadel South Wing control sequence →

Use the separate Citadel South Wing exterior key, then operate the lever and cell-control button. Check the opened side room: the green key is on a desk beside two monitors. The creator already carried another copy. Observed in one edited deployment. Every-match availability is unverified; key uses, extraction persistence and mission prerequisites are unknown. The displayed value is not a purchase price.

Item essentials

Browse all items →
Listed value
100

Key pickup

  • Use the separate Citadel South Wing exterior key, then operate the lever and cell-control button. Check the opened side room: the green key is on a desk beside two monitors. The creator already carried another copy.

Availability and unknowns

  • Observed in one edited deployment. Every-match availability is unverified; key uses, extraction persistence and mission prerequisites are unknown. The displayed value is not a purchase price.

Related

Unlock location

Guides that cover this

GuidePrison loot route: K9 cores, armory key and security cells

Something wrong or missing? Send a correction.

Report a problem on this page

Prepare the next run

My deployment

Check off goals during your run. Saved on this device.

DMZ CODEX · IPHONE & IPAD

Add to your Home Screen

Installation won’t start automatically. Follow these steps in Safari.

  1. 1. Open this site in Safari

    Already in Safari? Continue below. In another app, choose Open in browser, then open Safari.

    dmzcodex.com/install/
  2. 2. Tap Share

    Look for the square with an arrow pointing up. It may be inside Safari’s More (…) menu.

  3. 3. Add to Home Screen → Add

    Scroll through the Share menu; tap View More if needed. Keep Open as Web App on if shown, then tap Add.

Look for the yellow DMZ Codex icon on your Home Screen.