: The .rar extension indicates a compressed archive created with WinRAR. These files are often multi-part (e.g., .part1.rar , .part2.rar ) because the raw game data can exceed 100GB.

: It typically refers to compressed archives containing unreleased game builds, raw textures, scripts, or debug tools that were exfiltrated during a high-profile cyberattack.

: These archives are notoriously large. A single "UNKNOWN_files" pack for a modern AAA title can require between 200GB and 500GB of free space once fully extracted. How to handle it