If you are a fan of shooting games, you probably already know Counter-Strike, which has become a monument of the shooter game series for more than 20 years. In 1997, Gooseman, a Canadian programmer, created a mod for Quake called NAVY Seals. After completed NAVY Seals, Gooseman went on to develop a mod version of Quake 2, and it is believed to be the predecessor to today’s Counter-Strike.
In 1999, Gooseman and his associates continued to develop a mod version of Half-Life, the Valve’s shooting game is very popular. This version quickly attracted a large number of players to join thanks to the fast and attractive gameplay. Valve bought this version and invited Gooseman to work for their company. Versions of CS were released shortly thereafter, culminating in versions of CS 1.0 (October 2000) and CS 1.6 (September 2003). Up to the present time, Counter-Strike: Global Offensive is the most complete version of CS with the gameplay and graphics upgraded to the maximum. The game also hosted a lot of major tournaments with many professional teams.