Year Zero is an alternate reality game based on the Nine Inch Nails concept album of the same name, its expected follow-up, and a possible accompanying film or television project. Although the album was released on April 16, 2007 in Europe, and the following day worldwide, the game has been underway since roughly February 12, 2007 and is expected to continue for approximately eighteen months. The game was created by 42 Entertainment, the same group responsible for the Halo 2 promotional alternative reality game I Love Bees. Trent Reznor, frontman and sole member of the band has called the game "a new entertainment form." , and also stated, in response to criticism regarding the promotion of the album,