CS:GO, formerly known as Counter-Strike: Global Offensive, is a first-person shooter game developed by VALVE in collaboration with Hidden Path Entertainment and published by Valve Software. It was officially released in Europe and the United States on August 21, 2012. The national service launch was held in Beijing on April 11, 2017. The game is the fourth title in the Counter-Strike series (excluding spinoffs such as Neo and Online). Game players are divided into two camps: Counter-Strike (CT) and Terrorist (T). The two sides must engage in multiple rounds of combat on a single map to achieve the goals required by the map or eliminate all enemies to achieve victory.