A walkthrough for Portal, a first-person puzzle game by Valve, in which Chell attempts to escape from the Aperture Science Enrichment Center. Walkthrough Test Chamber 00 - The Beginning Test Chamber 01 - Carrying Objects Test Chamber 02 - Get the Blue Portal Gun Test Chamber 03 - Trying Out Portals Test Chamber 04 - Reaching Far Off Places Test Chamber 05 - Unmonitored... or not? Test Chamber 06 - The High Energy Pellet Test Chamber 07 - Do Not Taunt the High Energy Pellet Test Chamber 08 - Poison Floor Test Chamber 09 - This Test is a Lie Test Chamber 10 - Something About Momentum Test Chamber 11 - The Orange Portal Gun Test Chamber 12 - Fling Yourself into Space Test Chamber 13 - A very, VERY long time Test Chamber 14 - You are an Excellent Test Subject Test Chamber 15 - Cake and Grief Counseling Test Chamber 16 - Live Fire Course Test Chamber 17 - The Weighted Companion Cube will Never Threaten to Stab You Test Chamber 18 - You Will Be Baked Test Chamber 19 - The Cake is a Lie Test Chamber 19 - Continued, Part 1 Test Chamber 19 - Continued, Part 2 Test Chamber 19 - Continued, Part 3 Test Chamber 19 - Continued, Part 4 Final Chamber Achievements Terminal Velocity Achievement Guide Long Jump Achievement Guide
