Games / Video Games / Shooter / H / Half-Life Series / Half-Life / Fan Pages /
Opposing Force is a modification of Sierra's hit shooter game, Half-Life. This category is for sites in English on Half-Life fan pages. Sites in other languages must be submitted in the appropriate World subcategory. All submission descriptions must be free from self-aggrandizing hype. Any such language will be either immediately removed or your submission will be deleted.