Innovations you can look with a magnifying glass as the main game HL2 vergebenst, the reason is safety officer called quickly. There is none! Everything is the same, and find the old, as well as the new player class. The tried and true gameplay the police and terrorists against each antretten on small cards and save eg hostages or plant bombs / disarm is simple as it is ingenious. Due to the weapon selection and the great scene set, lifelike card Counter Strike Source is one of the best online shooter.
New since some months that some game servers variabele weapons prices is offering. So the demand determines the price and the weapons constantly changing its price (which, of course including the tactics a little more complicated makes).
The only drawback is that it will only run on Steam course, and developer Valve has no right intigriert LAN mode. Thus, the player must give up a solo campaign (as was once available in Condition Zero) and is necessarily linked to Steam. And as most players know Steam is not always perfectly okay because there are from time to time server failures. Nothing despite CSS is more a worthy successor of some makes ago thanks to new graphics engine!