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One of the main characters inAtomfall, who is simply a mysterious voice on the phone, tasks players with finding the four Interchange doors. Finding each door is very important in progressing the main story.
However, the game doesn’t give many clues about where to find each of these four doors, unless you find paper clues or additional leads.

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Each of the game’s four regions contains one hidden Interchange door. Instead of wandering around aimlessly, use this guide to learn about all four Interchange doors locations inAtomfall.

How to Find All Interchange Doors in Atomfall
Finding all Interchange doors in Atomfall can make exploring the Interchange much easier.
Each door takes you to a different section and Data Store (A, B, C, and D) of the Interchange, each requiring an Atomic Battery to turn on the power. Turning on all Date Store power units is required toescape quarantineand beat the game.

Wyndham Village
The Interchange door players will most likely encounter first is the one in Wyndham Village. It can be found at33.8E, 78.3N,near St. Katherine’s Church.
This entrance to the Interchange leads toData Store A, which is unfortunately covered in a mysterious substance that slowly drains your health.

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I recommend finding Mother Jago and getting the Strange Tonic recipe first before exploring Data Store A, which can help reduce the effect of the substance.

Slatten Dale
Players can find an Interchange Door at31.0E, 77.7Nin the Slatten Dale region. It’s located near the door leading to Wyndham Village, up a hill, and in an area with asign reading “Warning! Restricted Area.”
Through this entrance to the Interchange, you’ll be able to reachData Store CandData Store D. It also leads back to the Central Processing section.
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Players will also get the chance to reach theMedical wingof the Interchange and get introduced to a whole new kind of enemy, called “Thralls.”
Castlerfell Woods
Players can find an Interchange Door at27.6E, 83.6Nin Casterfell Woods. This location is on the southeastern part of the Casterfell Woods map and is located right next to the entrance to Wyndham Village.
While finding this Interchange door is part of the main quest, there’s not much to find inside this location. Instead, it just allows players to open up a door that leads back to Wyndham Village’s Interchange section, as well as Central Processing. This makes thecomplex areaeasier to navigate.
Skethermoor
An Interchange door can be found at39.6E, 73.1Nin Skethermoor. This location isjust north of Skethermoor Prison.
When you approach this location, you’ll instantly notice that it’s guarded by a robot turret. You can either sneak past this turret oruse the Signal Redirector to shut it off(if you have one).
This Interchange door leads toData Store B, where you may use an Atomic Battery to restore power, and a handful of hostile Protocol Soldiers. Additionally, players will be able to reach theRobotics sectionthrough this Interchange door, which has a ton of Training Stimulants.
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