Portal 2 Walkthrough - Part 18 (Chapter 9 Part 1 ) [1080p HD] (PS3/X360/PC) (Gameplay)

This is the 18th part of a full gameplay walkthrough of Valve&Portal 2 on the XBOX 360, Playstation 3, and PC. This video includes the first part of Chapter 8: The Part Where He Kills You (Part 1). The levels are not clearly indicated so I took some liberty in sectioning them off. Played on the Xbox 360. Thank you for watching the video and I hope you enjoy all the rest to come. Don&forget to subscribe and look us up on Twitter, Facebook, and Steam for the latest updates. Developer: Valve Corporation Publisher: Valve Corporation