The most fascinating aspect of is the word "optional." This highlights a unique aspect of modern game repacking: the "Selective Download" feature.

When dealing with terabytes of data, corruption happens. If a single bit flips in a 50GB archive, the entire extraction fails. If that 50GB archive is split into 50 parts, the corruption is isolated. The user can simply re-download the specific corrupted part (e.g., part11) rather than the entire massive file.

For the average gamer, this file is . Unless you are a completionist who wants every piece of digital media included with the game (like developer interviews or 4K credits), you can save time and data by leaving this unselected in your torrent client or skipping this part of the multi-volume download.

As long as you have parts 1 through 10 in the same directory, extraction will work smoothly. If you’re missing those, contact the original uploader or search for the complete set using the base name fg-optional-bonus-videos .