-Day Of Defeat
-Riccochet
-Deathmatch Classic
Just sau geil, the graphics are the best, the AI of opponents (excluded the online opponents;)) is also very good (you nimble and head up one on the top step a neat).
What do you need to really get in playful mood, is a good internet connection. Then you come do not get rid of the computer.
When it then but buys and the absolute CS fan is (as I did), I would buy even Couter Strike Source that is not included here.
But CS Anthology is a must for any fan of this type games