3:08 Half Life 2. Scary and Strange ambient sounds 0:18 Half-Life 2 Beta audio: \"Trans6\" 0:09 Boston Cop Slide Half Life 2 Sound Effects 4:45 Half-Life 2 Beta - Scary Ambient Sounds Compilation 0:07 Half Life 2 Ambience Sounds 0:36 The screams of Ravenholm | Half-life 2