We are not sure of the release date for Gameplay. It was released at the box office on 2014-09-30 so we estimate it was released to DVD in December 2014.

Gameplay on IMDb Documentary

Director: Richard Goldgewicht

Cast: Nolan Bushnell, David Crane, Todd Howard, and Eric Lindstrom

'Gameplay' is a feature documentary on the history of video games. From 'Pong', 'Pac Man' and 'Mario' to 'Call of Duty', 'Grand Theft Auto' and everything in between it tells the story of how this industry was created, by whom and where it is headed. Based on the book 'Vintage Games'.