Counter strike is a online fps and it is played worldwide it is 8 years old and is still played by millions, the makers of the game have released two new counter stike's but the first is still the most popular. The new versions include new maps, better graphics and new gameplay, these do not compare to the gameplay in counter stike 1.6, there are even tournemnets online and on LAN where players play 5v5 winners of some tournemnets can win tens of thousand pounds, most proffesional teams have moved to the latest version of counter strike for the money as the makers and sponsors want to push a game that takes computer upgrading to play well unlike counter stike 1.6 which would run on every computer that has been out within the past 5 years.