Black Mesa: Secret Room in Questionable Ethics
Found under a staircase in the Chapter Questionable Ethics. You must use noclip to get in.
Originally found by: The Master (http://forums.blackmesasource.com/mem...)
The audio code is decoded here: • SSTV Transmission in Black Mesa Source Files (Not my video)
Screenshot gallery of this room: http://imgur.com/a/P79ah#2
This is part of the Black mesa ARG. See the forum thread here: http://forums.blackmesasource.com/sho...