ARC Raiders: Dam Testing Annex Key Location Guide

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The Dam Testing Annex Key is one of the many random keys you can find while looting in ARC Raiders.

This key unlocks a room in the Testing Annex within the Dam Battlegrounds. Without the key, the room is inaccessible, meaning the valuable items inside are well-protected and waiting to be claimed.

Want to be the one to open up that loot cache? Read on, we’ll tell you how to get and use this key.

Dam Testing Annex Key Use Location | ARC Raiders

The Dam Testing Annex Key, like many items in the game, is found by chance. You can get it from almost any container you open, but there’s no specific place to look – it appears randomly!

The key is found on the Dam Battlegrounds map, but it might also appear on other maps as well.

If you found the key, you’ll need to go to the Testing Annex, which is located in the southeastern corner of the Dam Battlegrounds – as we previously mentioned. We’ve highlighted it for you in the screenshot above.

Enter the Testing Annex through the main entrance. Then, follow the path shown in the video until you find a large steel door with a keypad beside it. Use the Dam Testing Annex Key on the keypad to unlock and open the door.

Just so you know, using the key will make it disappear. If you want to come back to this room in a future game, you’ll have to find another key by chance.

So, that’s where you find the Dam Te Annex Key in ARC Raiders and what it’s for! Now it’s just a race to grab all the good stuff inside before anyone else does. Fingers crossed we all find something awesome to make the effort worthwhile!

Okay, so you want a place with really good loot and the best part? You don’t even need a key to get in! Seriously, you HAVE to check out our guide on how to bypass the Dam Control Tower. The downside? Everyone else knows about it too, so it can get pretty crowded with other players. But trust me, it’s worth it!

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2025-10-21 08:06