Sierra Entertainment, Inc. (formerly Sierra On-Line) was an 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 was last owned by Activision, a subsidiary of Activision Blizzard.
Sierra is best known today for its multiple lines of seminal graphic adventure games started in the 1980s, some of which proved influential in the history of video games...
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Sierra Entertainment, Inc. (formerly Sierra On-Line) was an 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 was last owned by Activision, a subsidiary of Activision Blizzard.
Sierra is best known today for its multiple lines of seminal graphic adventure games started in the 1980s, some of which proved influential in the history of video games. The Sierra label has been absorbed by its parent company. Some franchises which were published by Sierra will be published by Activision. Activision announced in 2008 that they may sell the Sierra brand. On December 15, 2009, Electronic Arts bought the brand for $20 Million.
Sierra Entertainment was founded in 1979 as On-Line Systems in Los Angeles, California by Ken and Roberta Williams after Ken Williams, a programmer for IBM, bought an Apple II microcomputer which he planned to use to develop a FORTRAN compiler for Apple computers. At the...
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