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ARC Raiders Uncommon Keys Can Be Surprisingly Profitable | Most Players Are Throwing Away Hidden Coin

Category: ARC Raiders Posted: Feb 25, 2026 Views: 632

In ARC Raiders, many players scoff at uncommon quality keys because the doors they correspond to generally yield little to no valuable loot, making them not worth the time. Therefore, many players often discard them or sell them to merchants.

However, these uncommon keys can actually be very rewarding. By arriving at these locations under the correct map conditions, you can maximize your gains.

ARC Raiders Uncommon Keys Can Be Surprisingly Profitable  Most Players Are Throwing Away Hidden Coin

How to Use Your Keys?

Before heading to any key room (including Epic keys), remember one rule: try to use your keys during prime map conditions like Night Raid or Cold Snap. In normal sessions, the quality of loot in rooms is significantly lower. If you want to obtain ARC Raiders blueprints, high-quality weapons, and advanced attachments, Night Raid and Cold Snap will greatly enhance your loot. Cold Snap is especially good for finding blueprints.

Dam Battlegrounds

On Dam Battlegrounds map, there are two uncommon keys worth paying attention to, one of which offers significantly more rewards than the other.

Dam Surveillance Key

  • Room Location: Water Treatment Control Building

Upon entering the room, first check the weapon crates on the table. The main source of loot in this room is the numerous lockers, whose items are generated using RNG, so you can sometimes find a lot of stuff.

Common loot includes various grenades, ammo boxes, medical supplies, weapon attachments, etc. There's also a backpack spawn point in the room.

This room is great for collecting basic materials and weapon upgrade parts. While it might not yield a huge profit at once, it's consistent and provides a solid supply of resources.

Dam Staff Room Key

  • Room Location: Research and Administration Builds

The quality of loot in this room is much higher than in Control Room, but it's still heavily reliant on RNG. The lockers here have a chance to contain legendary items, such as Kinetic Converters and Snap Hooks, or some high-level weapons.

Staff Room has great potential; you might find top-tier loot here, but it depends on your luck.

Buried City

Buried City Residential Master Key

This is one of the best green keys in the game, with three usage points, but the optimal location is Grandioso apartments.

You need to go to the building marked Supply Call Station on the map (the one closer to town, not the one further back). Go inside, downstairs, cross the zipline, and the door is below.

You'll have a higher chance of finding top-tier items in this room. Normally, you'll find many weapon crates. The green drawers, tables, and medkit drawers in the room are worth searching carefully. You can find blueprints, high-level ammo, weapon attachments, etc.

Also, don't overlook any corners. You can break glass cabinets to check for possible ammo crates or medkits behind them. Keep going further in; there's a high chance a Security Bridge will spawn there, but note that it doesn't appear every time.

Just by searching this room thoroughly, you can easily fill your backpack. After a few visits, you'll realize how good the loot is here.

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Spaceport

Spaceport has several green keys, but most are unreliable.

South/North Trench Tower Key

This key is not recommended because you need two identical keys to open both towers. Not only is it cumbersome, but the loot quality is also very inconsistent.

Spaceport Warehouse Key

  • Room Location: Shipping Warehouse

This room might be average on a normal map, but it performs exceptionally well in Night Raid and Cold Snap. You can find lockers, small cabinets, weapon cases, backpacks, etc., which usually contain weapons, high-level attachments, grenades, etc. Sometimes you can even find epic items.

The drop rate for a green key is incredibly high. This room is perhaps the most cost-effective location on Spaceport map.

Stella Montis

Storage Room Key

  • Room Location: Medical District, Stella Montis

It's the best green key in Stella Montis, especially suitable for players looking for medical supplies and Medical Blueprints.

This room primarily contains medical-related items, but there's a chance to find weapons and advanced blueprints. If you need medical supplies or specific medical blueprints, you can try using this key. In contrast, Stella Montis Assembly Admin Key on the same map performs poorly; you'll find almost nothing of value. 

Blue Gate

Blue Gate Village Key

  • Room Location: Lower part of the village, in a house near Raider's Refuge (a building with many hatches on the roof).

This is a very unpredictable room. You can search for backpacks, weapon cases, ammo boxes, cabinets, and drawers. Sometimes you can find blueprints and legendary stock here.

Also, upstairs in this building, you can use a zipline to reach the opposite building. There are two fixed black chests on the roof of the opposite building, with a chance to find Augments. Open the hatches and go downstairs; you can also find some wooden drawers and blue briefcases, worth searching.

In short, this is a room that requires some patience and a willingness to explore. Although the loot in the key room itself is unpredictable, there are many good resource points around, so you won't waste your time.

Uncommon keys aren't entirely useless; try finding the corresponding room, and you'll definitely get much more than you would by selling them directly.

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