The Story Behind The Web's Weirdest, Hardest Riddle

David Münnich, Notpron's 32-year-old creator, says it's almost impossible to solve alone--and he had help building it along the way.

In 2004 a small website appeared that contained a browser-based game called Notpron, which has since been hailed as "the hardest riddle on the Internet." It consists of a series of 140 puzzles and riddles that get progressively more complex. Completing the game requires knowledge in a diverse range of fields including HTML programming, sound and graphics editing, music apprehension, research skills, and even remote viewing.

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