What happens when one of the most revolutionary series in video games suddenly goes dark? To celebrate its 20th anniversary, Noclip hits the road to investigate the legacy of Half-Life and the incredible community working to keep the dream alive. Featuring Geoff Keighley (The Game Awards), Cory Barlog (God of War), Vince Zampella (Titanfall / Call of Duty), Randy Pitchford (Borderlands), Laura Michet, Scott Smith, Robert Yang and more.