The great 1980s Dungeons & Dragons panic
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Back in 1974, Dungeons and Dragons (D&D) was arguably the first true roleplaying game. Players took on the mantle of adventurers from a multitude of races and occupations. Each game had a Dungeon Master who would act as both a referee and storyteller. By 2004, it was estimated that the game had been played by over 20 million people.
Today, any veteran player from the game's early years would speak of its positive attributes. It was based almost entirely in the imagination. It was social. No screens were involved.
But in the 1980s the game came under an extraordinary sustained assault from fundamentalist religious groups who feared its power over young minds.
In 1979, 16-year-old child prodigy James Dallas Egbert III disappeared from his room at Michigan State University. A private investigator, William Dear, was hired by James's parents to find their son. Despite apparently knowing little about roleplaying games, Dear believed that D&D was the cause of Egbert's disappearance.
http://www.bbc.com/news/magazine-26328105