
While Atomfall may not stretch for hours on end, avid explorers will find that the game hides a wealth of secrets that offer plenty of challenges. As you navigate through its richly detailed world, you’ll encounter numerous keys, locked doors, and hidden caches. One key that stands out early on in your adventure is the Concrete Shelter Key.
This key, obtainable by trading with Molly in Slatten Dale, may not appear to open any pivotal locations at first glance. However, it is vital for gaining entry to an underground network of tunnels that you will want to utilize as your journey unfolds. Let’s delve into the specifics of utilizing the Concrete Shelter Key in Atomfall.
Using the Concrete Shelter Key in Atomfall
Acquiring the Concrete Shelter Key requires trading certain items with Molly within the game’s Slatten Dale region. Its in-game description indicates that it unlocks a concrete bunker door—but where can you find this door?
Thankfully, locating the Concrete Shelter is straightforward as it is situated just a short walk up the hill from Molly’s trading post. Follow the stone path, and you will soon arrive at a modest stone shelter that corresponds with the key’s function. You will also notice a note attached to the door from Molly, indicating that she is aware of the key’s location.

Once you unlock the Concrete Shelter Door, you will gain access to the Sewer Tunnels, a critical avenue for navigating the vast landscape of Atomfall. If you venture into these tunnels early in your gameplay, they provide a swift route to Wyndham Village.
Keep in mind that additional entrances to the Sewer Tunnels are scattered throughout the game world, and as you progress, more routes will open up, revealing new areas and providing opportunities to discover more keys.
For further insights on Atomfall, consider exploring how to upgrade your weapons, locating all Atomic Batteries, and if you plan to visit Wyndham Village, we’ve outlined strategies for solving the church murder mystery.
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