The.bunker.zip ... - File:

The "Hidden Bunker" is a special event on the Spaceport map that requires player cooperation to unlock. Once open, players can enter to scavenge high-tier loot and complete "Download Information" trials.

The file most likely refers to content for the tactical extraction shooter ARC Raiders , specifically related to the "Hidden Bunker" major map condition and its associated data download trials. The Hidden Bunker Trial in ARC Raiders File: The.Bunker.zip ...