Half-Life: Opposing Force

Half-Life: Opposing Force

Half-Life: Opposing Force is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. The game was developed by Gearbox Software and Valve Corporation and published by Sierra Entertainment on November 1, 1999. Opposing Force is the first expansion for Half-Life and was first announced in April 1999. Randy Pitchford, the lead designer on the game, later noted that he believed Gearbox was selected to develop Opposing Force because Valve wanted to concentrate on their future projects. Over the course of development, Gearbox brought in a variety of outside...
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quick facts
Release date:October 31, 1999
Publisher:Valve Corporation, Sierra Entertainment

Characters from Half-Life: Opposing Force

G-Man
G-Man

The G-Man, voiced by Michael Shapiro, is a mysterious recurring character in the Half-Life series of first-person shooter video games. He is known to...
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Prequels and sequels to Half-Life: Opposing Force

Half-Life: Opposing Force
Half-Life: Opposing Force
1999

Publisher of Half-Life: Opposing Force

Valve Corporation
Valve Corporation
Headquarters:Bellevue, Washington
Founded:1996
Founders:Mike Harrington

Valve Corporation is an American video game development and digital distribution company based in Bellevue, Washington, United States. Founded in 1996 by former Microsoft employees Gabe Newell and Mike Harrington, Valve became famous from its critically acclaimed Half-Life series, . It is also...
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Sierra Entertainment
Sierra Entertainment
Headquarters:Los Angeles, California
Founded:1979

Sierra Entertainment Inc. was an American video-game developer and publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams. Based in Oakhurst, California, the company was last owned by Activision, a subsidiary of Activision Blizzard. Sierra is best known today for its multiple...
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Frequently Asked Questions about Half-Life: Opposing Force

  • Q:
    In which genre is the game Half-Life: Opposing Force classified?
  • A:
    Half-Life: Opposing Force's genre categories include First-person Shooter, Science Fiction and Survival horror.
  • Q:
    Which game play modes are available for the game "Half-Life: Opposing Force"?
  • A:
    "Half-Life: Opposing Force" is a Single Player and Multiplayer game.
  • Q:
    Which date was the game "Half-Life: Opposing Force" released to the public?
  • A:
    The game debuted in October, 1999.
  • Q:
    Which company publishes the game "Half-Life: Opposing Force"?
  • A:
    Valve Corporation and Sierra Entertainment publishes the video game.
Half-Life: Opposing Force Photo Gallery

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Half-Life: Opposing Force
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