Sierra_Sierra
  • Sierra_Sierra

  • Country: United States
  • Genre: Game
  • Website: www.sierra.com
  • Update: 05-02

Sierra Entertainment, Inc. is an American video game developer founded in 1979, headquartered in Fresno, California, and now part of Activision Blizzard.Sierra's works include the King's Secret Service series, the Half-Life series, and the Demon Hunter series.

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