In the new one, Assassination , the counter-terrorists must escort a VIP safely to an escape point. Each scenario is built into specially designed levels. Players enter, join a team, choose a skin, and then play. The original and difficult thing about CS is that shots actually kill. Winning players receive more, losers receive less.
Winners can quickly afford the most powerful weapons and armor, and so are more difficult to defeat.
There is nothing diplomatic about this. In CS, the rich get richer and the poor die. The resulting gameplay is strategic, intense, and highly addictive. C S advocates tend to be fanatical and parochial. Q3A competitions in popularity.