All Access web player

To continuously play each video in your course, check the "Settings Wheel" and turn on Autoplay 

TrueFire 3: Desktop App (win/mac)

To continuously play each video within the Desktop app, select the autoplay icon on the video player controls. When enabled the icon will appear bright orange.

TrueFire iOS app (iPhone/iPad)

In the iOS app click the settings icon to enable auto-play