With its unprecedented combination of authenticity, compelling story and squad-based action, the Brothers in Arms franchise has established itself as a benchmark for military action games, receiving the highest average review scores of any console WWII game to date (www.gamerankings.com).
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.