Icarus.rar -

This is the most common use. Players of the survival game Icarus often share as .rar or .zip files.

Are you trying to for the survival game? Icarus.rar

Because Icarus uses the Unreal Engine, small patches can sometimes trigger massive 50GB+ file re-verifications. Community members often discuss manually "rar-ing" or compressing their game files to save space or share patched files with friends who have slow internet. This is the most common use