Portal 2 Guide: Chapter 4 --- The Surprise

http://www.gameguidecentral.com/ This chapter has lasers, turrets, and light bridges... Have fun! Chapter 1: The Courtesy Call http://www.youtube.com/watch?v=mYEKQGYP4Xk Chapter 2: The Cold Boot http://www.youtube.com/watch?v=Phgn2-TpFVs Chapter 3: The Return http://www.youtube.com/watch?v=Dpf5z_Jtytg Chapter 5...