by Venture Beat located here outlines in brief the footage in the new demo released at the festival. The slightly spoilery article goes on to state:
When the gameplay footage ended on a cliffhanger, you could feel the audience’s anticipation to learn what happens next. That’d be a decent accomplishment for a film, but for a game that’s actually meant to be played, it was astounding how much Beyond was able to rope us in simply based on watching it.
Has David Cage finally reached his goal of a game with the emotional impact and story quality of a film?