A common legend pervades the galaxy-that of a powerful, highly intelligent ancient race that will one day deliver the universe. They are known as Humans. Some claim they are the messiah. Others believe they exist only in the imaginations of the young.
Most popular community and official game content for the past week.  (?)
What does popular mean?
It means the content you're seeing has been rated up more than it has been rated down for the given time period.