Half-Life: Opposing Force

As an expansion pack for Half-Life, Opposing Force is a first-person ...

  • Last Updated: Aug 11, 2009
  • License: Demo / Free
  • OS: Windows XP, 2000, 98, Me
  • Publisher: Valve Corporation

Description of Half-Life: Opposing Force

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Half-Life: Opposing Force is the official game expansion for Half-Life, the thrilling PC CD-ROM named "Game of the Year" by over 50 publications. In Opposing Force (a.k.a. "Op For"), players return to the Black Mesa Research Facility to experience an entirely new episode of single player action. In addition, Op For also contains a massive collection of new multiplayer content.
Requirements: No special requirements

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