The original Counter-Strike team was formed by Minh Le and Jess Cliffe in 1999. Counter-Strike Beta 1.0 was released in June of 1999, followed by a quick succession of the beta releases. By the end of 1999, beta 5.0 had been released. Counter-Strike gained popularity just as quickly. The Counter-Strike team was acquired by Valve to turn the fan-created, insanely popular, mod into an official mod for Half-Life. In November 2000, Counter-Strike 1.0 - the first non-beta, official retail version of the game was released.
Valve released a version ported to the Xbox game console in November 2003. The X-Box version features basic single-player game play against bots, but it focuses on multi player online play like the original. However, the Xbox version of the game (playable on Microsoft's Xbox Live online game service) has proved less successful than its PC counterpart. This really wasn't/isn't surprising to the Counter Strike community. Counter Strike / Half Life were designed for the PC...any attempts to port either of these games over to a console gaming station will never yield the same success that the PC platform continues to bring.
A long-awaited single-player version of the game called Counter-Strike: Condition Zero was released on March 23, 2004. Condition Zero includes multi player bots as well. Though still very similar to CS 1.6, this game contains several graphical, sound, model and map changes. Condition Zero was developed by Turtle Rock Studios and never reached the level of success the original Counter Strike did.
Enter: Counter-Strike: Source
Counter Strike Source was released in October of 2004 and has been met with good reviews from the CS community. Of course Source has it's share of glitches, but Valve seems to be pretty responsive and frequently issues updates via Steam. Since the October release we've already seen a handful of patches, as well as some "new" maps such as de_train, cs_compound and de_tides. Source has revitalized what some people considered a "dying" game...although people have said Counter Strike has been "dying" for years. Funny thing is, even before Source Counter Strike was still one of the most popular first person shooter online games ever and the number of players/servers didn't seem to be decreasing.
Here's a little trip down memory lane for some of you old school CS'ers.
Counter Strike Version history
Beta 1.0 - 19 June 1999 ( I remember this like it was yesterday)
Beta 1.1 - 27 June 1999
Beta 1.2 - 20 July 1999
Beta 2.0 - 13 August 1999
Beta 2.1 - 17 August 1999
Beta 3.0 - 14 September 1999
Beta 3.1 - 16 September 1999
Beta 4.0 - 5 November 1999
Beta 4.1 - 1 December 1999
Beta 5.0 - 23 December 1999
Beta 5.2 - 10 January 2000
Beta 6.0 - 10 March 2000
Beta 6.1 and 6.2 were "Server Only" updates, not for client/user machines
Beta 6.5 - 5 June 2000
Beta 6.6 - 22 June 2000
Beta 7.0 - 26 August 2000
Beta 7.1 - 13 September 2000
Version 1.0 - 8 November 2000
Version 1.1 - 10 March 2001
Version 1.3 - 19 September 2001
Version 1.4 - 24 April 2002
Version 1.5 - 12 June 2002
Version 1.6 - 15 September 2003
CS: Condition Zero - 23 March 2004
CS: Source - 7 October 2004
What's next? Only time, and Valve, know the definitive answer to that question.
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