See also:

• Games: Video Games: Shooter: H: Half+Life Series: Half+Life: Reviews and Previews  (9)

• Gamespot: Half+Life: Opposing Force - News, review, preview, screen shots, discussion forum and hints about the expansion.

• IGN - Reviewed by: Vincent Lopez, "A head crab dinner, just in time for Thanksgiving. But is it a full meal?" [7.5-10] (November 24, 1999)
• loonygames - Reviewed by: Noel Wade, "A far more complete and coherent expansion packs than most." (November 24, 1999)
• Speedy 3D - [9.5-10] Review of Half+Life: Opposing Force by Mark Jackson. "This is the Half+Life that you know and love but everything has been fixed, changed and updated to make it look and feel so much better." (November 18, 1999)