Counter-Strike

One mod became a competitive language that shooters still speak today.

Counter-Strike began in 1999 when Minh Le and Jess Cliffe turned Half-Life into a team-based fight between terrorists and counter-terrorists. Valve acquired the project before version 1.0 arrived in 2000.

Each round made death final until the next began. Teams fought over objectives, while money earned across rounds determined what weapons and equipment they could afford. Aim mattered, but so did communication and map knowledge.

Its lethal round structure, objective-based team play and persistent in-game economy became a lasting model for competitive shooters. Counter-Strike quickly established itself in early esports, and later tactical shooters continued to draw on the structure it popularized.

Its influence also reached beyond game design. Valve later said Steam began partly as a way to solve the problem of updating Counter-Strike’s enormous player base.

More than two decades later, Counter-Strike’s basic competitive formula remains immediately recognizable.