Counter Strike Online is a Client Client which is primarily mythical online shooter.
Choose whether to play the normal mode, or keep the bomb, or the prisoner is rescued. It offers a vivid mode, where you have to take the role of an enemy who has infected the rest of the enemies
If you are playing Original Counter Strike 1.6 you will enjoy this version.
Remember you have to register for free on the official site.
Counter Strike Online is completely free and specially fun. It provides a free way to draw and release one of the best shotguns in our videogame history.