Extra Game Info


 * 247
 * Aliases - List of names of developers and their aliases.
 * Cardboard boxes - List of images showing numbers found on cardboard boxes.
 * Dr Bottomley
 * Dr. Horn's Xen Lair - Dr. Horn's secret lair in Xen.
 * Furnace keypad - Furnace keypad numbers.
 * Lapis Philosophorum - Solved puzzle. Most likely a red herring.
 * Monitors - Various monitors found throughout Black Mesa.
 * Phone extensions
 * Pizza boxes
 * Purple hats
 * Shack - Dr. Horn's shack.
 * Superbus via Inscientiae
 * The Pizza is a LIE!
 * VOX Announcements - List of overhead announcements.
 * Whiteboards
 * Whiteboard Theories - Theories, transcripts and information relating to the whiteboards.
 * Wibble