Global offer, a first person shooting game jointly developed by valve and hidden path entertainment and released by valve software, was officially launched in Europe and the United States on August 21, 2012, and the national service press conference was held in Beijing on April 11, 2017[ 1-2] the game is the fourth work of the anti terrorism elite series.

The game players are divided into two camps: anti terrorist elite (CT camp) and terrorist (t camp). Both sides need to fight for many rounds on a map to achieve the target required by the map or destroy all enemies to win.