The dm_pipes.zip file you have requested: Maps Levels Missions / Deathmatch / O to P Titles / DM - Pipes - 1.87mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
Thanks for downloading my map. I hope you enjoy playing it as much I did designing it...well...more fun. Anyway---1.Installation instructionsTo play the game in HL2DM, extract the unzipped map into SteamSteamAppsUsenamehalf-life 2 deathmatchhl2 Well it's a map with many, many stories, and an underground.