In the context of game repacks, the file is a non-essential data component typically found in FitGirl Repacks. It contains extra video content that is not required for the game to function properly or for the main story cutscenes to play. What is Inside this File?
In some cases, the long scroll of developer credits is separated into this file to save space for those who do not wish to watch them. fg-optional-useless-video.bin