Portal Epic Edition: The Complete Guide | Cognitive Breakdown Tests Campaign

This is part 2 of a 5 part series. This video is a guide as to how to complete the extra CBT campaign. Mod download: https://www.moddb.com/mods/portal-epi... Playlist:    • Portal Epic Edition: The Complete Guide   credits: EPIC BACKFLIP Lead Developers: Ossy FIawoI Konclan Level Designers: Ossy Flowol Konclan Allison Permatemp Alfe5 Composers: Permatemp Contributors: TeamSpen210 Soulmoose Garfield Nockscitney Assets: Scott Klintworth: Vine Portals Allison: Aperture Weapons and NPCs 0:00 Intro 0:10 Chamber 00 3:48 Chamber 01 5:15 Chamber 02 6:30 Chamber 03 9:16 Chamber 04 12:51 Elevator Ride 14:24 Chamber 05 15:32 Chamber 06 15:54 Chamber 07 18:09 Chamber 08 21:22 Chamber 09 23:15 Chamber 10 28:49 Chamber 11 30:58 Chamber 12 32:34 Chamber 13 34:34 Chamber 14 39:43 Chamber 15 43:42 Chamber 16 44:55 Chamber 17 52:10 Chamber 18 55:22 Chamber 19 57:19 Escape 02 59:46 Boss Fight 1:07:13 Escape 1:08:30 Ending 1:08:59 Secret Ending 1:09:04 Chamber 19 1:10:03 Escape 02 1:10:21 Boss Fight 1:10:34 Epic Escape 1:11:38 True Ending