Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
This was originally some kind of Valve intro that was presumably replaced by the valve.avi intro
Extract the valve_intro.zip archive into the Half-Life directory. The
following files should be placed automatically in the correct folders.