Another reason why you have no servers listed is because your ZPS folder was not named ZPS (or you have a ZPS folder within a ZPS folder). The server browser depends on the folder's name to find ZPS servers.
Comment History
ScHiZo - - 3 comments @ Zombie Panic! Source
Good karma+1 vote
ScHiZo - - 3 comments @ Carpathian Crosses: 10.000 downloads!
Good karma+1 vote
After an initial impression, I thought this mod was good, but whenever I come home to try and play it there's no one on CC servers. Everyone plays on Old Glory 50 man all the time... I guess I'll try joining CC servers on weekends and see how that goes.
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ScHiZo
Leo joined
Game Programmer for Zombie Panic: Source