Steam Problem: Counter-Strike: Anthology CD Key unlocked Counter-Strike: Source

http://support.steampowered.com/cgi-bin/steampowered.cfg/php/enduser/std_adp.php?p_faqid=541

If you received Counter-Strike: Source when registering a Counter-Strike: Anthology CD Key it is important that you contact Steam Support to ensure that the correct games are subscribed to your account. Please see the link below for instructions to contact Steam Support:

http://support.steampowered.com/cgi-bin/steampowered.cfg/php/enduser/std_adp.php?p_faqid=294