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// monument tier
Tier 3 — Red Card

Endgame puzzle monuments. Multi-card progression, scientist NPCs, high radiation, often multiple fuses. Top-tier rewards (elite crates, blueprints, weapons) and the focal points of every late-wipe meta.

Fast facts

Keycards1× Red
Fuses required1 (elevator)
Scientists / NPCs26+ (4 patrol blue + 22+ heavy underground)
Radiation25-50+ (full hazmat required)
RecyclerNo
WorkbenchNone

Nuclear Missile Silo is the underground red-card-only Tier 3 monument — five floors of heavy NVGM scientists (26+ total), a doomsday-missile event with a launch countdown, no recyclers, no workbenches, and the most-hazardous single monument run in the game. Loot is top-tier (multiple Elite Crates, scientist drops, the launch-event reward) but the run is among the hardest in Rust.

Missile Silo puzzle walkthrough

Single-card descent with multi-floor combat:

  1. Approach in full hazmat — radiation 25-50+ throughout. Standard hazmat barely covers it; bring radiation pills or Anti-Rad Tea.
  2. Engage 4 surface blue scientists — the perimeter NPCs.
  3. Find the elevator + fuse — at ground level, requires one fuse to power.
  4. Swipe the red keycard — opens the elevator descent.
  5. Descend through 5 floors of NVGM heavy scientists — 22+ total enemies, NVGM = night vision goggles mode (they engage you with longer-range awareness).
  6. Loot multiple Elite Crates per floor — scientists drop NVGM gear and rifle attachments.
  7. Locate the doomsday missile — central chamber with a launch countdown event mechanic.

Combat: 26+ heavy scientists

💡 Pro tips

Frequently asked questions

What keycard does Missile Silo need?

Just a single red keycard plus one electrical fuse for the elevator. Notably, no green or blue card required despite the Tier 3 status.

How many scientists are at Missile Silo?

26+ total. 4 surface 'blue' scientists patrolling the perimeter, plus 22+ heavy NVGM (night-vision-mode) scientists distributed across 5 underground floors.

How much radiation is at Missile Silo?

25-50+ rads — among the highest in the game. Full hazmat is mandatory and even that may not be enough for sustained presence; bring radiation pills or Anti-Rad Tea.

Does Missile Silo have a recycler?

No — Missile Silo has no on-site recycler, no workbench, no research table. It's purely combat and loot. Recycle the loot at Outpost or Bandit Camp.

What is the doomsday missile event?

A central-chamber feature where a missile is on a launch countdown. The countdown can be interacted with to trigger or delay launch. Getting caught at the launch chamber during launch is fatal — clear the floors first, then engage the event.

Can I solo Missile Silo?

Possible but extremely punishing — 26+ scientists in a closed underground environment with very high radiation. Duo or trio strongly recommended for safer clears.

The hardest underground

Nuclear Missile Silo is the most-difficult single monument PvE encounter in Rust. The combination of 26+ NVGM scientist defenders across 5 floors, very high radiation, no on-site recycler or workbench, and the doomsday-missile event mechanic makes it the apex challenge in Rust's monument-design ladder. Successful clears are wipe-defining events.

The reward profile reflects the difficulty. Multiple Elite Crates per floor, scientist drops including NVGM gear (a unique armour visual), and the launch-event reward make a successful Silo clear one of the highest single-event loot returns in Rust. Many late-wipe groups treat a Silo clear as the wipe-end ritual — final big loot run before wipe-day.

The NVGM scientist AI

NVGM scientists' night-vision-mode AI gives them longer engagement ranges and better target tracking than standard heavies. The narrow underground corridors mean engagements are often at point-blank range with no time to retreat. Use door-frames as corner cover, don't move backward in straight lines, and keep medkits accessible.

For the rest of the Tier 3 chain, see Launch Site, Military Tunnels and Arctic Research Base. Raid math at the Raid Calculator.

Related monuments & tools

// hub 🗝️ All Rust Monuments Complete sortable table — every monument, every tier. // red tier 🪖 Military Tunnels Three-card red puzzle with the densest scientist roster in the game (~29 NPCs). // red tier 🚀 Launch Site Largest monument in the game — green→red puzzle, 9 scientists, the Patrol Tank. // red tier ❄️ Arctic Research Base Snow-biome red-card monument with locked science vault and patrol heli spawns.