The version most people refer to as the "classic" 2000s experience is . It is still officially supported and widely played today.
Minh "Gooseman" Le and Jess Cliffe originally created Counter-Strike as a free "mod" (modification) for the game Half-Life . They wanted a game that focused on teamwork and tactical realism rather than the "run-and-gun" style common at the time. Download Counter-Strike PC Game 2000
The mod became so popular so quickly that it actually surpassed the original Half-Life in player count. The version most people refer to as the