Reply To: List of Sierra Products HOME › Forums › Sierra History › List of Sierra Products › Reply To: List of Sierra Products April 23, 2003 at 12:08 am #20710 Unknown,UnknownParticipant (re: re: List of Sierra Products) This list was put together to represent games that were developed out of the Oakhurst offices of Sierra. Half-Life was produced in Seattle by Valve, and published by Sierra.
