Updated:Nov 7, 2018Original:May 3, 2011Portal 2 Walkthrough / Chapter 3 - Part 5: Room 13/22Check out this Portal 2 walkthrough and beat Chapter 3 - Part 5: Room 13/22 with this online demo.TranscriptThis next test involves turrets. You remember them, right? They're the pale spherical things that are full of bullets. I'll wait. That's you in five seconds. Good luck.