We have released a Beta update for Half-Life: Blue Shift.
Changes in this update are:
<ul><li>Added correct game sound track, mastered at 44kHz, 128kbit MP3 for better listening experience
<li>Fixed test microphone button not working
Linux and OS X users can simply install the Half-Life: Blue Shift application to access the beta. For Windows users right click the game in your Library, choose properties and then go to the Beta tab. Select the SteamPipe beta to start testing. Under windows to opt out of testing simply deselect the beta option on this same page. If you opt into the Beta under Windows please use the Local Files tab in Steam to validate your install once you have opted into the beta.