Also known as
  • Sierra On-Line
Sierra Entertainment, Inc. (formerly Sierra On-Line) is a Worldwide American video game developer and publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams. Based in Los Angeles, California, the company is currently a subsidiary of Activision Blizzard (a subsidiary of Vivendi SA). Sierra itself owns two in-house development studios: High Moon Studios and Radical Entertainment. Sierra is best known today for its multiple lines of seminal graphic adventure games started in the... full article at wikipedia
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Created by Metaweb Oct 22, 2006
Last edited by mw_template_bot Dec 23, 2008
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