The primary goal of a FitGirl Repack is to provide the smallest possible download size. By separating these videos into a standalone .bin file, the repacker allows for a "selective download" feature:
This binary file typically contains video assets that FitGirl identifies as "useless" for the standard PC gaming experience. Common examples of content packed into this file include: fg-optional-useless-videos.bin
If a game's "useless" videos total several gigabytes, users on limited data plans can simply uncheck this file in their torrent client. The primary goal of a FitGirl Repack is
