Portal 2 Chapter 4 Test Chamber 19

This is the twenty-eighth level of the game and is set within a half-dilapidated Test Chamber. This level requires the player to utilise advanced knowledge of the Thermal Discouragement Beam, Aerial Faith Plate and momentum in order to proceed. This level features Turrets as its main hazard.

Hazards

 * Thermal Discouragement Beam
 * Turrets