, as "cracked" or "repacked" files are common vectors for malware.
While the original game is a 10/10 classic, this specific version— Half-Life: Source —is widely considered the "black sheep" of the franchise. Here is a review to help you decide if it's worth the install or if you should look for the original. Half.Life.Source.rar
(The game underneath is a 10, but the port is a mess.) , as "cracked" or "repacked" files are common