The long lost developer map once found again! I found a link on the internet and since it wasn't here I decided to put it here and archive.org!
half-life: source developer test map singleplayer map
No addons were found matching the criteria specified. We suggest you try the addon list with no filter applied, to browse all available. Add addon and help us achieve our mission of showcasing the best content from all developers. Join now to share your own content, we welcome creators and consumers alike and look forward to your comments.