Opposing Force (video game)

Opposing Force is an expansion pack for the first-person shooter game Half-Life, developed by Gearbox Software. It introduces players to the perspective of a U.S. Marine sent into the same secret alien-contaminated research facility, but from a different point of view. The game continues the story with new weapons, enemies, and environments, adding depth to the Half-Life universe. It features improved gameplay mechanics, focused on combat and exploration, and provides a fresh narrative experience alongside the original storyline. Overall, Opposing Force enhances the Half-Life experience by offering an alternative perspective and expanded content.