You may have chosen not to download it, which is fine—the installer will simply skip it and the game will still work. The Bottom Line
The "fg" in the filename stands for , the pseudonym of one of the internet’s most famous "repackers." Repacks are versions of video games that have been heavily compressed to make downloading easier for those with slow internet or data caps. fg-optional-soundtrack.bin
By making the soundtrack optional, the repacker can shave several hundred megabytes—or even gigabytes—off the total download size for users who only care about playing the game. How to Use the File You may have chosen not to download it,