 Valve later detailed in their official "Left 4 Dead" blog how they designed the movie, from an intentionally very basic animation in the beginning of July 2008 to the final result for the launch of the game.Early access to the "Left 4 Dead" demo for people who pre-ordered the game began on November 6, 2008, for both Windows and Xbox 360.It gave users access to both online and single-player play in two "scenes" in one "movie" within the game.