Counter-Strike 1.6 Condition Zero is a tactical first-person shooter game developed by Valve Corporation and Hidden Path Entertainment. The game was released in 2004 as an updated version of Counter-Strike 1.6.
The legacy of Counter-Strike 1.6 Counter-Strike: Condition Zero (CS:CZ) download counter strike 1.6 condition zero
Yes, if you both download the same build. You will need to either: Counter-Strike 1