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Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life. It was developed by Gearbox Software and published by Sierra On-Line for Windows on November 19, 1999. Opposing Force was the first expansion for Half-Life and was announced in April 1999.
Half-Life: Opposing Force. Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry.
- (16.3K)
- Valve
- Gearbox Software
- Nov 1, 1999
An improved version of this Walkthrough can be found here http://youtu.be/fzdZ277uKQY★★★ Please SUBSCRIBE, LIKE and SHARE ★★★ Thanks :)Join us on: Discord:...
- 86 min
- 1.8M
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Half-Life: Opposing Force is a critically acclaimed expansion pack for Half-Life, developed by Gearbox Software and released by Valve Software on November 19, 1999. The expansion's single-player mode features the same setting as the original, with the twist that the player is cast not as Gordon...
Half-Life: Opposing Force, commonly abbreviated as OpFor or Op4, is a critically acclaimed expansion pack for Half-Life, developed by Gearbox Software and released by Sierra Entertainment on November 19, 1999.
This article describes the Half-Life: Opposing Force storyline, chapter by chapter. The story of Opposing Force interweaves with the events of Half-Life, so that the player catches a glimpse of Gordon Freeman, the main character from the original game. Shephard sees an officer making a pivotal...
Play as a soldier sent to kill Gordon Freeman in this first-person shooter game based on the Half-Life story. Explore the Black Mesa facility, fight new alien races and survive the chaos in this PC Game of the Year.
