Canceled AR Left 4 Dead game
From Valve Cut Content
The Canceled AR Left 4 Dead game was a project being developed with Valve's canceled Augmented reality hardware.
Gameplay synopsis
The game was an asymmetrical multiplayer game. In which 4 players would play the game as the survivors per L4D standard. While a fifth player would take on the role of the director in an AR landscape. The AR director had to either help the survivors survive the campaign, or kill the survivors.