Arc Raiders has received a selection of new map conditions that are mixing up the typical experience significantly for players. As part of these new conditions, an underground bunker on Spaceport has been introduced, with a mysterious puzzle that still appears unsolved.

First introduced over the weekend the three major map condition additions are night raids for Blue Gate, Electromagnetic Storms (across Dam Battleground, Spaceport, and Blue Gate), plus the Hidden Bunker on Spaceport. You can also now see the Harvester event on the Blue Gate map, which previously was locked to Dam Battlegrounds.

Now, all of these are cool, but the Hidden Bunker is the particularly intriguing one. This event requires several antennas to be turned on across the map by players, which in turn opens doors in the South West portion of the map.

There’s good loot in this bunker, sure. However, more intriguingly are data upload terminals and other odd objects that have a portion of the community certain that there’s more to find in the Hidden Bunker. A Reddit Megathread on the Arc Raiders Hidden Bunker started picking apart the bunker, pointing out strange machines and wiring spread across the bunker with seemingly no purpose.

As for the data terminals, people also believed that there was more to this part of the bunker. However, it’s worth noting that as of this morning there’s a weekly trial for data uploads, so it’s entirely possible that all they’re for is a nice bump in XP when used and weekly challenges.

Whether or not players will uncover more secrets in the Hidden Bunker is something to keep an eye on. Meanwhile, Arc Raiders broke yet another concurrent player record last weekend, showing continuing growth post-release and remaining at the top of Steam’s top playing charts.