Half-Life: Opposing Force PC is the official expansion pack for Half-Life, Valve's best-selling debut from 1998. Gearbox Software, a young studio founded by experienced developers, was selected as the creators of the add-on.
Remember those soldiers who got you so bad in Half-Life...
Offer for you
Platform
Steam
Region
Global
productpage.safe_chekckout_header
productpage.safe_chekckout_data_encryption
100 / 100
homepage.thank_you_heading
With K4G.com, you can be sure that every purchase contributes to something greater. By buying your favourite games, you support initiatives that matter.Read more
product.related_products
Product description
Half-Life: Opposing Force PC is the official expansion pack for Half-Life, Valve's best-selling debut from 1998. Gearbox Software, a young studio founded by experienced developers, was selected as the creators of the add-on.
Remember those soldiers who got you so bad in Half-Life...