The lord of insanity, Cthulhu was all set to plunge the world into insanity and destruction when his powers were sealed by a mysterious sorcerer. The only way for him to break the curse is to become a true hero.
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.