Half-Life's big 25th anniversary update includes four new multiplayer maps and much more

Half-Life is one of the greatest video games of all time and just ahead of its 25th anniversary on Sunday, Valve has released a major update for the first-person shooter. For one thing, the base game now includes Half-Life Uplink. This was a demo of Half-Life , but most of its content doesn't appear in the original game. Uplink was initially available on CDs that came free with magazines (remember those?) and hardware like sound cards. It's also been available on the internet for a while for tho...