it work only with cs 1.6 simple.
exactlyOnly if the same package includes Half Life.
but he said that he got Dod,DMC and Rio.... I think u already got an hl key.well i got
cs 1.6
cs cz
cs cz deleted sences
dod
death match classic
ricochet
on my list so would i be able to play? cs 1.6 should be on the same engine.. as half life so I dont know what the problem would be?