Portal: Prelude Test Chamber 17

This Test Chamber is the eighteenth level of the game, and introduces the player to the Unstationary Scaffold.

Hazards

 * Turrets
 * Goo
 * High Energy Pellets
 * Cube Hazard
 * Crushing

Video walkthough

 * To do

Music
07. 9 Ghosts I - 2:47 by Nine Inch Nails