Originally Posted by honda_pilot
I wonder why your key doesn't work. Maybe someone stole it off you and registered it before you were able to...yeah Half-Life is like $10-$15 just pick that up. We want you to play click....:thumbup:
yea, it says its a duplicate... but I can't find the original box or case to verify the key. this one might be one that I used to just let me reinstall and play HL.