Portal 2 Chapter 3 Test Chamber 16
 | “I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it. |
Chapter 3 - Test Chamber 16
sp_a2_laser_vs_turret.bsp 
This is the twenty-sixth level of the game, and is set within a dilapidated Test Chamber. This level requires the player to use the Thermal Discouragement Beam in order to deal with multiple Turrets. This level also contains a Rat Man Den.
Hazards
Walkthrough
- Go stand on the button and shoot a portal at the end of the Thermal Discouragement Beam.
- Get off the button to shoot the second portal in front of the Turrets in a row.
- Stand on the button until all of the turrets are destroyed.
- Go and get the Weighted Storage Cube from behind the glass and place it on the button.
- Jump over the Beam coming from the portal and pick up the Discouragement Redirection Cube.
- Aim the Beam to set fire on the rest of the Turrets. Then aim the Beam at the receptacle.
- Go in the Chamberlock.
Video walkthrough
Music
Main article: Portal 2 soundtrack
Turret Wife Serenade by Aperture Science Psychoacoustics Laboratory [1:38] | 
Download | 
Play
Gallery
|
Notes
- If the player destroys the Turret sitting behind the grating as they enter, using the Thermal Discouragement Beam, they can find an alcove behind from which they can observe 4 Turrets and the Prima Donna Turret practising Turret Wife Serenade for the Turret Opera.