Lead a team of domestic counter-terrorism experts through 11 dangerous missions that span the globe. Formed from the elite of the F.B.I.'s HRT, you have been tapped to perform covert ops in the most dangerous circumstances imaginable.
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.