Portal 2 Strategy Guide

Guide Information

  • Publisher
    Valve Corporation
  • Platforms
    Microsoft Windows, PlayStation 3, Xbox 360
  • Genre
  • Guide Release
    30 June 2011
  • Guide Update
    22 March 2018
  • Guide Author

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Singing Turrets

On Chapter 3 (Test Chamber 16) there's a turret tucked away behind a metal railing at the start of the room (on the right). Use the portals and the laser beam to kill the three turrets as per usual, then use a portal to get the beam crossing near the door. Use the reflection cube to kill the turret, opening up the vent. Crawl inside and look down for an impromptu X-Factor audition!