What is Counter-stike:Global Offensive?

Counterstrike is a Competitve Strategy Shooter that is played by Millions. The game started Getting So much Publicity that it got its own E-Sport and its one of the biggest E-sports in the world. Every year there are tons of Tournaments that gather all of the pro teams and have them battle in a 5 v 5 game and the winners get to take home prises upwards of a million dollars. These matches attract many fans of the games and each tournament easily gets hundreds of thousands of views.