Sport and RPG elements have been combined with traditional fighting game mechanics for the first time, to offer unrivaled realism and challengingly brutal gameplay. Train until you sweat blood to increase skills such as endurance, speed, leg and arm strength.
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.