Place the contents to the HL folder. As long as there are no pre-existing contents with the same names.
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Highest Rated (20 agree) 10/10
Half-Life was one of a kind. Other than the extraordinary story, it had great gameplay and amazing graphics (for the late 1990's).
Now, you can play it with a friend.
Can you ask for more?
Feb 14 2012 by epicbox
Lowest Rated (7 agree) 1/10
i HATE this mod...
Nov 26 2010 by CRACK_2