Portal 2 Chapter 2 Test Chamber 7

This is the seventeenth level of the game, and takes place within a dilapidated Test Chamber. This level requires the player to utilize their knowledge of the Thermal Discouragement Beam, Buttons and momentum in order to successfully solve the Test Chamber. This level is also unique in that it features a damaged Emancipation Grid, which allows the player to unlock the "Preservation of Mass" achievement.

Hazards

 * Thermal Discouragement Beam