Maybe some of you'll remeber this map - it's nothing else than Scary2 by Steve Lyne for HL2DM! It is not a 1:1 remake - some stuff has been removed on the other hand many new "hl2-features" have been added. There are two secrets in the map. Tripmines have been removed - I won't add 'em again.
In Scary2 rpg was situated at the water section .. ah, I don't wanna tell you everything :)