Water Treatment Plant

Puzzle: step by step

Bring

Blue KeycardElectric Fuse

1. 1

   Go to the central building with the two blast doors. Hold the use key on the wheel to lift them and duck under (they drop when you let go).

2. 2

   Upstairs, put a fuse in the box and start the 60-second timer next to it.

   Electric Fuse
3. 3

   Within those 60 seconds, reach the blue door on the second floor of the big building across and swipe the blue card.

   Blue Keycard
4. 4

   To get out, flip the switch in the back office: it powers the exit button.

5. 5

   The central building also has a green door with permanent power (no fuse needed). Guides don't cover what is inside.to verify

   Green Keycard
6. 6

   Water production (Power Trip): with the grid at stage 2, put Gears into each of the two gearboxes and turn the wheel. Each full gearbox keeps the roadside water pipes running for 3 hours; both, for 6. Gears are used up.

   Gears
7. 7

   Power grid loot room: once the island grid reaches stage 2 (4 Heavy Fuses in the Power Plant), flip the switch next to its door to open it. No card or fuse needed; the button inside opens it from within.

   Heavy Fuse

What's inside

A Red Keycard and 2 Basic Blueprint Fragments next to it (always, since Meta Shift), plus crates.

Red Keycard×2Basic Blueprint Fragment

Recent changes

• October 2, 2025Meta Shift: blue rooms always hold 2 Basic Blueprint Fragments next to the red card; loot was moved around the monument.
• August 6, 2026Power Trip: two gearboxes that pressurise the tank and feed the water pipes along roads.
• September 3, 2026Breach and Clear: the tank was simplified (3 hours per gearbox, 6 with both; output follows the pressure).
• October 1, 2026Livestock: new power grid loot room, opened by the island grid.

Doors and loot reset every 30 minutes; players nearby hold the reset back. Checked on October 9, 2026.