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Atomfallstarts in a bunker; specifically, Bunker L8 in the Quarantine Zone. When you emerge to explore the rest of this vast walled-off region, you’ll find that there are several others to discover and delve.
Bunkers are the remnants of the British Atomic Research Division (BARD)’s research facilities in the area, and as such you can find high-tech gear inside them. From supplies in locked storerooms to Training Serum to learn new skills with, there’s always a reason to check out a bunker when you find it… even if there’s also a bit of risk involved as well.

Slatten Dale Bunkers
There are several bunkers hidden throughout Slatten Dale, including the one that you started in. They’re a great way to build up your inventory early, though they aren’t without danger.
Bunker L8
The starting bunker hasseveral doors that can be unlocked once you have theSignal Redirector.It also has a buried cache that you can uncover with theMetal Detector, so it’s worth returning to once you have each of these tools.
It’s located at24.3E, 71.0N.
Bunker L7
L7 is just east of the starting bunker,atop the ruined bridge.It’s a good place to store early goods, since it’s the nearest Pneumatic Storage Tube. The left-hand room has a BARD Crate with Training Serum, but it’s guarded by a Feral.Get the Rusty Shotgun from the ruins across the road from Nat Buckshaw’s houseto make quick work of the creature.
Bunker L7’s coordinates are27.7E, 71.9N.
Bunker L6
L6 is Slatten Dale’s largest bunker, but it’scrawling with Ferals.Don’t go in without a good melee weapon like a Farming Knife, plenty of Bandages, and ammunition. Try to stay as quiet as possible when moving around.
Remember, any gunfire or explosions will likely attract nearby Ferals besides the one you’re trying to fend off.

Bunker L6 iswest of the Railyard, at 26.5E, 77.1N
Concrete Bunker
The Concrete Bunker at24.7E, 78.2Nis actually an entrance to the Sewer Tunnels. You canbuy the key from Mollyin her camp to the northeast.
Interchange Entrance
Slatten Dale’s Interchange Entrance is at31.0E, 77.8N. Its proximity to your starting location makes it the easiest entrance to reach if you’re going for a speedrun.
Wyndham Village Bunkers
The Village doesn’t have any bunkers in the strictest sense, besides its Interchange entrance, but there are some cellars and basements that you should certainly explore while you’re in the area.
Brewery Cellar
The abandoned brewery can be accessed from the cellar door at30.5E, 80.5N. The easiest way to get there is by thehidden entrance from the Sewer Tunnels, or you can climb the hill behind the Mereview Hotel.
Besides havingloads of alcohol to use forcrafting Bandages and Molotovs, poking around the Brewery will also lead you tonotes tying Morris to the druids and Maisie’s murder.

Church Basement
The church at33.0E, 78.8Nhas many secrets, including alocked door in its cellar.You’ll need a key to open it, which requires atrip to theInterchange Medical Facility.
Wyndham’s Interchange entrance isbehind the church, at33.8E, 78.3N.There are usually guards posted, so be careful as you approach or get on Captain Sims' good side first; otherwise, you’ll have to fight your way in.

Casterfell Woods Bunkers
Most of the bunkers in Casterfell areon the north side of the map, near the dam.
Bunker L9
Like L6, Bunker L9 has a lot of Ferals to deal with. However, it has amore open central areathat you can use to your advantage. The office above the entrance isfilled with toxic gas; either use a Signal Redirector to activate the vents, or drink an Antidote to walk through the cloud andget the backpack on the catwalk. You’ll be rewarded with arecipe for Combat Stims, which are extremely useful against Thralls later in the game.
Bunker L9’s coordinates are23.3E, 90.6N.
Dam Data Store
The Dam Data Store is patrolled by a dangerousflamethrower robot.ensure you have Burn Salve at the ready before trying to enter.
There are a good amount of supplies to loot here, but the real prize is only available if you canget Doctor Garrow’s keycardand are on good terms with Joyce Tanner.
Remote Bunker
This forgotten bunker in a hidden corner of the map is out of the way, so you’re unlikely to find it unless you’re looking for it. It’s locatedbehind the Garden Centre, so you’ll have to evade druids and hornet nests to reach it.
Joyce Tanner lives here, until you power up Data Store Charlie at the Interchange; at that point, she’ll move there if she’s still alive. The coordinates to the Remote Bunker are28.0E, 91.6N.
Casterfell’s Interchange Entrance, unlike the other bunkers, isat the southeast end of the map, near the gate to Wyndham Village. It’s unguarded, unless you are unlucky enough to be there at the same time as a passing druid patrol.
Its coordinates are27.6E, 83.6N.
Skethermoor
Skethermoor’s bunkers are allfilled with soldiers, most of whom have guns. Some will have armor as well, and they’ll all come to investigate at the first sign of trouble. Be fully prepared before attempting to infiltrate any of these locations.
On the plus side, defeating the soldiers in these bunkers means you cancombine their guns to get high-tier firearms for yourself.
Protocol Workshop Bunker
The Workshop Bunker is reasonably close to the Wyndham Village gate, and the leads fromThe Little Tea RoomandThe Windfall Shipmentboth take you here. If you’re going to hit the Skethermoor Bunkers, this is the first one you should try.
Use the vents in the center of the bunker to reach a hidden room where theSafe Room Keyis located. This will open the locked door on the right-hand side, letting you get lots of supplies and theWindfall Key, which is used at the Field Station (see below).
The Workshop’s coordinates are38.0E, 77.4N.
Vehicle Storage Bunker
This bunker has been taken over by Outlaws, whose security is much more lax than Protocol soldiers. Trytossing a grenade into the main roombefore anyone knows you’re there to get the drop on the enemies.
The bunk room has a key that leads opens the storage room, where you can get an Atomic Battery. Be sure to get therecipe for Radiation Resistancefrom upstairs and mix up a batch before going into the storeroom, though, or you’ll take lots of damage from the exposed isotopes on the floor.
The Vehicle Bunker can be found at43.4E, 74.6N
Protocol Field Station
The Field Station is guarded by a soldier with an assault rifle, and he has allies patrolling nearby,including a machine gun robot. Besides Training Stimulants - this bunker has several - the main reason to come here is touse the Windfall Key to get a Signal Redirectorif you don’t already have one. If you’re just here for the Signal Redirector, it’s fairly close to the entrance, so you might want to consider just getting in and getting out to minimize your risk.
The Protocol Field Station is located at41.3E, 74.9N.
Skethermoor Prison
Skethermoor Prison is heavily guarded by turrets, soldiers, and robots. Worse, breaking in and freeing the prisoners will permanently brand you an enemy of the Protocol, and the soliders in Wyndham Village will attack you on sight. Only come here if you plan torescue Doctor Garrow.
The Skethermoor Interchange Entrance is in thecenter of the large Protocol Campon the southern half of the map. No matter which way you approach, you’ll have to deal with dozens of soldiers and at least one robot, to say nothing of turrets. Unless you have a very good reason, it’s probably better to find a different way into the Interchange.