Dec 16, 2025 · You can find the Dam Testing Annex Key randomly as loot in ARC Raiders. To use it, go to the Dam Battlegrounds Testing Annex building.

In this Arc Raiders guide, I show you exactly where to use the Dam Testing Annex Key, how to safely reach the locked room, and what loot you can expect inside. If you’ve been holding...

Nov 11, 2025 · Having trouble finding where to use the Dam Testing Annex Key in ARC Raiders? This guide will help.

Find the best loot in the Dam Battlegrounds ARC Raiders. Field Depot, weapon crates, supply drops, enemy spawns and all key locations explained.

Nov 8, 2025 · The Dam Testing Annex Key targets one area on the Dam Battlegrounds map, and it’s easy to waste time hunting the wrong buildings. Here’s the fastest way to reach the right …

Oct 20, 2025 · To get the Dam Testing Annex Key search the boxes in the upper floors of the Research and Admin building. If you don’t find it in that area you can search other residential …

Opens 2 locked doors inside the Testing Annex on Dam Battlegrounds. Keep in mind you can only unlock one of the two doors unless you bring two keys. Both doors are on the ground …

Oct 30, 2025 · Unlocks the room at the very top of the Control Tower on the southeast side of the Dam Battlegrounds map. Use the zipline at the base of the building to get up there. Unlocks a …

Oct 31, 2025 · After getting the Key, head to the Testing Annex building and access it through the ground entrance. Inside, walk straight ahead, and you’ll come across the door that uses the …

Oct 24, 2025 · Once you have the key, head to the southeastern corner of the Dam map — that’s where the Testing Annex sits. Enter through the main door and keep moving straight. …