Counter Strike Source

Counter Strike Source was launched on November 1st, 2004 by valve corporation.

It was a completely different from the previous two versions of counter strike.

Objectives of the game were same to the previous two versions of counter strike.

Many updates were released for this game after the beta release to update the game-play, sounds, textures and fix the vulnerabilities.

After Counter Strike Sources, valve released Counter Strike Global Offensive which was their grand success in year 2011.