Half-Life: Opposing Force
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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. Oppos
North America cover art, depicting the game's protagonist, Adrian Shephard
Opposing Force introduces new weapons and allows the player to command small squads of soldiers.
Gearbox Software
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Gearbox Software, L.L.C. is an American video game development company based in Frisco, Texas. It was established as a limited liability company in February 1999 by five developers formerly of Rebel B
Half-Life: Opposing Force
…Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life (1998). 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…
Headquarters in Frisco