Is Hammer (HL1 Hammer) compatible with Win. 7. I'm using and everything seems to work fine that is until I try to add an ambiance sound which won't play. I've extracted the audio out of the gcf and into gearbox/sounds (this is for op4) but the sound won't play. I've done this before (on my TZS map) and the only differences now are I'm using op4 instead of HL and I got a new Windows 7 laptop.
But anyway the map will be a relatively short SP map for Opposing Force. You are a soldier and you and your squad have been pushed back into retreat by xenian forces. You take shelter in an abandoned military outpost to the north only to be ambushed in the night by them, you wake up to find your squad decimated and must escape the base. (This map doesn't take place anywhere near the BMRF, it is much farther north)
That's the basics of it.
You probably linked to a bad path without knowing it.