Portal: Prelude GLaDOS' Boot

This is the twenty-second level of the game, and introduces the player to the GLaDOS' Chamber, GLaDOS and the Personnality Cores.

Hazards

 * Blue lasers
 * Crushing

Video walkthough

 * To do

Music
18. Discovering GlaDOS - 1:03 by ERH 04. Believe - 7:01 by The Chemical Brothers