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In 2012, the Slender Man was adapted into a video game titled '; within its first month of release, the game was downloaded over 2 million times. Several popular variants of the game followed, including "Slenderman's Shadow" and "Slender Man" for iOS, which became the second most-popular app download. The sequel to "Slender: The Eight Pages", ', was released in 2013. Several independent films about the Slender Man have been released or are in development, including "Entity" and "The Slender Man", released free online after a $10,000 Kickstarter campaign. In 2013, it was announced that "Marble Hornets" would become a feature film.