Radtown

Military Tunnel

Tier 0 is the outer ring by the coast and tier 2 the middle of the island.

Puzzle

Near the entrance, find the fuse box and its 2-minute timer (older guides: through the door marked Armory). Put a fuse in and start the timer.to verify
Electric Fuse
Within 2 minutes, run down the tunnels to the green doors marked Storage and swipe the green card.to verify
Green Keycard
Inside, flip the switch. It powers both blue doors, the lab fuse box and a short timer by the first red door.
Go to the blue door marked Laboratory and swipe the blue card.to verify
Blue Keycard
At the first red door, start the 10-second timer next to it and swipe the red card before it runs out.
Red Keycard
Optional: a second fuse in the lab box, plus its switch, powers the second red door (and the first one without the timer).to verify
Electric Fuse Red Keycard
The red rooms have a separate exit door with a button.to verify
Power grid loot room: once the island grid reaches stage 3 (10 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

Elite and military crates. Advanced Blueprint Fragments come in pairs from hackable crates and, 1 time in 10, from elite crates.

September 3, 2026Breach and Clear: monument blockers in front of the red rooms. Most need explosives, a few break with melee; they don't respawn and start to decay after 24 hours.
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.

With the monument full. Each spot picks one crate at random, so the number is a range and ≈ is the average. Open a crate to see its loot.

Crates come back 30–47 min after being looted.