alternate reality game

A genre of interactive fiction using multiple delivery and communications media, including television, radio, newpapers, Internet, email, SMS, telephone, voicemail, and postal service. Gaming is typically comprised of a secret group of PuppetMasters who author, manipulate, and otherwise control the storyline, related scenarios, and puzzles and a public group of players, the collective detective that attempts to solve the puzzles and thereby win the furtherance of the story. [unfiction.com glossary]