Counter-Strike: Condition Zero released!
If you pre-ordered your copy of Counter-Strike: Condition Zero (CS:CZ) over Steam, first restart Steam then double click the CS:CZ icon in your Steam Games list to begin playing. Those who did not pre-order the game over Steam can purchase CS:CZ at any time.
Special offer extended for CS owners - If you already have a Counter-Strike Steam subscription, order your copy on Steam by April 1st and receive a special price of $29.95 for Condition Zero.
Source: VALVE: Steam News
