Portal 2 Chapter 3 Test Chamber 11

This is the twentieth level of the game, and is set within a dilapidated Test Chamber. This level introduces the player to the Hard Light Bridge, and the way in which it can be used to reach otherwise inaccessible areas, with the use of Portals. The Test Chamber also includes Goo as its primary environmental hazard, as well as a Rat Man Den.

Mechanics

 * Weighted Storage Cube
 * Heavy Duty Super-Colliding Super Button
 * Vital Apparatus Vent
 * Hard Light Bridge
 * Pedestal Button
 * Panels
 * Light Strip (blue, pink, white)
 * Grating

Characters

 * Chell
 * GLaDOS
 * Wheatley

Hazards

 * Goo