The Combine is a multidimensional empire which serves as the primary antagonistic
force in the video game Half-Life 2, developed by Valve Corporation. The Combine consist of
alien, synthetic, and human elements, and dominate Earth. The Combine is a multidimensional empire which serves as the primary antagonistic force in the video game Half-Life 2, developed by Valve Corporation. The Combine consist of
alien, synthetic, and human elements, and dominate Earth.