: Many online courses (e.g., from platforms like ArtStation or YunQiaoNet ) package subtitles separately to keep the main video download size smaller. These archives often contain multiple languages (Russian, English, Japanese, etc.) for high-end technical training in software like Houdini, Cinema 4D, or Unreal Engine.
: Community-driven subtitle groups like HaruhanaSub use .7z formats to batch-upload entire seasons of shows or movie collections to GitHub or specialized subtitle repositories.
If you are looking for a write-up for a challenge or a particular course, please provide the name of the competition or the tutorial series.