Alien Shooter 2 -Reloaded is a large-scale sequel to the first part of Alien Shooter. This is the unique alloy of arcade action and RPG elements which combines well-established world of classical games and unmatched dynamics of the first part.
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.