Our Atomfall Key Locations Guide tells you where you can find the keys you need to open up the locked doors and chests in the Quarantine Zone.
The world of Atomfall is packed with secrets, and some of those secrets are safely nestled away behind locked doors or hidden in chests. Whether you're exploring The Interchange or activating Radio Towers for one of the endings, you'll need the right keys to get some of the best stuff. Read on to see all of the key and locked door locations we've found!
Atomfall Key Locations
| Thing to Unlock | Type | Unlockable Location | Key | Key Location |
|---|---|---|---|---|
| Agravaine's Lockbox | Chest | Agravaine's Lockbox Key | ||
| Church Chest | Chest | On the upper balcony of the church | Vicar's Key | You can either blackmail the Vicar over the murder in the church to get it or kill him to get the Vicar's Key and open the chest on the upper balcony. |
| June's Chest | Chest | June's Key | 34.7, 80.2 - Found inside the burned-out Tea Shop, 2nd floor. | |
| B 887126 Control Room | Door | Found to the east of the Casterfell Dam, right next to the door to the Casterfell Dam Data Store. | B 887126 Control Room Key | Located at a corpse in a tunnel covered in Poison gas at 23.2E, 91.6N in Casterfell Woods. |
| Bakery Bedroom | Door | On the second floor of The Barkey in Wyndham | Bakery Bedroom Key | Found inside the Wyndham Garage 35.5E,79.5N |
| Casterfell Dam Data Store | Door | Opens the Data Store room in the Casterfell Dam Data Store in Casterfell Woods at 22.5E, 92.4N | Dam Data Store Keycard | Given to you by Dr. Garrow after you release her from Skethermoor Prison, meet her in the Central Processor, and retrieve her notes from the Robotics lab. |
| Castle Grounds Hut | Door | 19.9E, 83.6N in Casterfell Woods, within the perimeter of the Castle Ruins | Castle Grounds Hut Key | Past an infectious cloud at 24.5E, 85.8N in Casterfell Woods. You'll need the Strange Concoction crafting recipe in order to survive passing through the cloud. |
| Castle Ruins Fireplace Door | Door | There is a fireplace in the main hall of the Castle Ruins. On the right side of the fireplace is an engraving; hover your cursor over it and it will show the text "Hidden Keyhole." | Castle Key | Found on the kitchen counter on the left side of the Castle Ruins' first floor |
| Church Cellar | Door | Down the stairs underneath the church | Church Cellar Key | Found in the Medical Sector, in a lit alcove to the right of the Main Reception at the entrance |
| Control Room | Door | Control Room Keycard | Found in Robotics, up and to the right from where you enter the large room. You'll have to make your way to the back hallway, and then crawl into the locked room for this key. | |
| Crane Control Room | Door | Outside the first door in Data Store Delta. | Crane Control Room Keycard | Found in the robotics area of the Interchange, closest to Data Store Bravo. Head out the door, and there's a small garage to the left, with a body inside. |
| Dam Storeroom | Door | 20.8E, 90.1N in Casterfell Woods | Dam Storeroom Key | Hanging on the wall on the second floor of a building at 22.3E, 91.2N in Casterfell Woods |
| Data Store A Store Room | Door | Below the area where you insert the Atomic Battery for Data Store A | Data Store A Store Room Key | Below the area where you insert the Atomic Battery for Data Store A, on a corpse in a hazmat suit next to the door. |
| Data Store B Store Room | Door | Found in the lower level of Data Store B | Data Store B Store Room Key | Lower level of Data Store B, you'll see a Scientist on a Rampart. Redirect Power to the door to get in. |
| Data Store C Store Room | Door | Found in the lower level of Data Store C | Data Store C Store Room Key | Found in the lower level of Data Store C, right next to the door on a body. You'll need to get power to the door via a puzzle. |
| Data Store D Store Room | Door | Near Data Store D in The Interchange. | Data Store D Store Room Key | On the body of a scientist in an orange hazard suit on the catwalk above the nearby server room; Data Store D must be powered up with an Atomic Battery before you can open the Data Store D Store Room door. Head up to the first landing of the stairs, jump on the nearest server, and jump across the servers until you make it to the upper catwalk to retrieve the keys. |
| Datton Hall Conservatory | Door | At 25.4E, 85.0N on the Northwest side of Datton Hall | Conservatory Key | Head inside Datton Hall and convince Prudence to give you the Conservatory Key |
| Dig Site Storeroom | Door | Down the hall from the Oberon Dig Site Offices where you find the Keycard | Dig Site Storeroom Keycard | On a desk in the upper lever offices to the left after entering the Oberon Dig site deep in The Interchange. |
| Greenhouse Hut | Door | Greenhouse Hut Key | ||
| Level 1 Medical Sector Elevator | Door | Turn right at the Medical Sector's Main Reception desk, then take the first left and you'll see the elevator with a keycard reader at the end of the hall | Holder's Keycard | Received by talking to Dr. Holder in the basement of the Church. |
| Platform Gate | Door | Outside of the Data Store A door leading to the main cave under The Interchange | Platform Gate Key | Head up the stairs near the Platform Gate door toward the Medical sector; you'll find a room covered in blue spores. The key is found on a corpse in the locker room. |
| Protocol Camp Armoury | Door | In the Protocol Camp in Skethermoor, in the southwest of the camp at 39.3E, 71.5N | Armoury Key | In the Protocol Camp in Skethermoor, on the desk inside a building at 40.6E, 71.3N |
| Rail Tunnel Maintenance | Door | At the start of the underground rail tunnel in the Windscale Plant sector | Rail Tunnel Maintenace Key | Found on the body of a Feral on the opposite side of the door, you'll have to take it down. |
| Robotics Sector Head Office | Door | At the far end of the lower level of the Robotics Sector in The Interchange | Head Office Keycard | Found on a dead scientist in the Weapons Testing area. Activate all three robotics consoles to open the door. |
| Sewer Tunnels | Door | Found in Slatten Dale, but there are Sewer Tunnel entrances in multiple regions. | Sewer Tunnel Key | Found on a body in the Sewer Tunnels, accessed via the Casterfell Woods entrance at 23.4E. 83.6N |
| Site Office | Door | Found at the Slatton Side Interchange Entrance | Site Office Key | The key is found on a body outside the lower Robots entrance to the Interchange, in a construction site. |
| Various Doors in Skethermoor Prison | Door | There are multiple doors opened with the Skethermoor Prison Security Keycard | Skethermoor Prison Security Keycard | Found on the bottom floor of the Maintenance Room of Skethermoor Prison on a desk / Found in a side room of the Loading Dock in the basement of the prison. |
| Vehicle Bunker Storeroom | Door | In the Vehicle Storage Bunker in Skethermoor at 43.4E, 74.6N, on the far right side of the bunker. | Vehicle Bunker Storeroom Key | Enter the Vehicle Storage Bunker in Skethermoor at 43.4E, 74.6N. Head down the stairs and walk past the tank to the left to a room with several bunk beds. The Vehicle Bunker Storeroom Key is sitting on one of the bunks. |
| Village Shop Back Door | Door | In Wyndham Village at 33.1E, 80.0N | Shop Back Door Key | Behind the counter of the Village Shop |
| Windfall Crate | Door | Located inside of the Protocol Field Station in Skethermore. | Windfall Keycard | Found inside Protocol Workshop, Skethermoor at 38.0E, 77.4N. You'll have to climb through an elevated hole in the bathroom to find a body in Yellow Clothes. |
| Door | Concrete Shelter Key | Purchased from Molly Jewiit in the north of Slatten Dale | ||
| Casterfell Woods Radio Tower | Radio Tower | 24.8E, 89.3N in Casterfell Woods | Casterfell Woods Radio Tower Keycard | Found inside of Bunker L9 on the upper level filled with poisonous gas |
| Skethermoor Radio Tower | Radio Tower | 43.1E, 73.6N in Skethermoor | Skethermoor Radio Tower Keycard | Found in the Vehicle Depot Bunker, in the far back upper level. Head towards the back and take the last door on the left, and you'll see a hole in the corner to climb through - leading to the upper area. This is on the large table. |
| Slatten Dale Radio Tower | Radio Tower | 31.0E, 75.0 N in Slatten Dale | Slatten Dale Radio Tower Keycard | Found in a cave in the quarry below the Slatten Dale Radio Tower at 31.0E, 75.3N |
How to Unlock the Radio Towers in Atomfall
You won't be able to unlock the Radio Towers in Atomfall until you've fully powered up The Interchange. You may also need to meet Joyce Tanner at the Remote Bunker in Casterfell Woods. Once that's done, you can open the doors to the Radio Towers and use their associated keycards to activate their consoles.
We're at the end of our Atomfall Key Locations Guide. Make sure you read our other guides below!
Robert N Adams | Senior Writer
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