The world of Atomfall is filled with hidden doors and treasures, enticing players to uncover their secrets. Among these is a particularly intriguing locked shack situated near the dilapidated Garden Centre in Casterfell Woods. To gain entry, you’ll need the elusive Greenhouse Hut Key, which is notoriously hard to track down. Unfortunately, there appears to be no accessible routes into the adjacent Garden Centre, making this challenge even tougher.
However, there is a clever method to obtain this key and discover some additional treasures along the way.
Locating the Greenhouse Hut Key in Atomfall
Where to Find the Greenhouse Hut Key





As you delve into Casterfell Woods, keep an eye out for the prominent Garden Centre, marked on your map at the coordinates 27.4E, 90.0N. Directly across from this landmark, you’ll find a locked wooden hut that requires the Greenhouse Hut Key for entry. To secure the key, you must first access the Garden Centre, where it can be found hanging on the wall in the kitchen above the stove. Despite the locked Cellar and barred windows, a sneaky route does exist.
Gaining Access to the Garden Centre


Your way into the Garden Centre involves climbing through a small gap at the top of the front door. With the A button (if using Xbox), you can ascend through this opening. Be prepared, though, as you might encounter a swarm of poisonous Rats as you navigate through the space, so act swiftly to avoid conflict.
The inside can be quite dark, so having a torch would be beneficial. Although there’s not a plethora of loot in the Garden Centre—beyond a collectible found on the stove—this area serves as the pathway to the key. If you’re looking for a visual guide, the embedded video demonstrates the key’s precise location within the Garden Centre.
Utilizing the Greenhouse Hut Key in Atomfall



After acquiring the Greenhouse Hut Key, you can unlock the associated hut situated opposite the Garden Centre. This nook holds an array of valuable items, which may include:
- Pistol Ammo
- Rifle Ammo
- Glass Bottles
- Additional Rifle Ammo and Poison inside a crate
Additionally, you can find a noteworthy note titled ‘We Are Waiting For You’ on the wall, which ties into the Infiltrators’ collection of findings.
Once you’ve opened the Greenhouse Hut, don’t forget to explore the adjacent two accessible Greenhouse Huts as well. These may harbor further collectibles, including various Herbs and essential food items like potatoes and tomatoes that can aid in restoring your health.