Portal 2 Chapter 8 Test Chamber 12

This is the fifty-fourth level of the game, and takes place within an incomplete Aperture Science Test Chamber and the maintenance areas of the facility. This level introduces the Laser Field, and features the Thermal Discouragement Beam as its primary mechanic.

Hazards

 * Falling to your death
 * Thermal Discouragement Beam
 * Laser Field

Trivia

 * This is the only level to freature the laser field in the entire game.
 * This level introduces the only test element that does not appear in the Coop.