The game that simply changed the history of first-person shooter games. Without a doubt, the best game ever not only for the gameplay, tactics, teamwork, mechanics but mainly for being the engine for the shooting games that came from it.

The game that simply changed the history of first-person shooter games. Without a doubt, the best game ever not only for the gameplay, tactics, teamwork, mechanics but mainly for being the engine for the shooting games that came from it.