The ENTIRE Half-Life & Portal Timeline Explained

The ENTIRE Half-Life & Portal timeline explained from beginning to end. Every event in chronological order across the whole franchise, following the timeline bar at the bottom of the screen. CHAPTERS 0:00 Intro 6:08 The Combine & Xen 12:08 Xen's Origins 17:05 Black Mesa Research Facility 23:05 Compartmentalization 30:02 Aperture Science Founded 36:02 Take-A-Wish Foundation 42:02 Glados Activated 48:02 Personality Cores 52:40 The Black Mesa Incident 58:40 Anti-Mass Spectrometer 1:04:40 Headcrabs and Vortigaunts 1:11:39 The Seven Hour War 1:17:39 Wallace Breen's Surrender 1:23:43 Half-life 2 1:29:43 Black Mesa East 1:35:43 Eli Vance Captured 2:03:06 Portal 2 2:09:06 GLaDOS Rebuilds