Opposing Force Press Demo file - Half-Life: Demos mod for Half-Life

On September 21, 2021, Magic Nipples and Theuaredead released an October 1999 preview disc of Half-Life: Opposing Force, originally sent to press reviewers prior to release. While this build is dated to be fairly close to release, there are still many intriguing differences in all aspects of the game. The press demo is dated October 18, 1999 and requires a retail installation of Half-Life patched to version 1.0.1.3.