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Who set the Cicada 3301 puzzles, and why?

Asked 26 Oct 2026 by ·5 answers·0·0 following
Most likely: a private international group of privacy and anti-censorship technologists, recruiting like-minded people for…Ahead on the evidence, not yet confirmed. It needs two reviews to be accepted.

Where it stands

Five answers have been proposed. A private international group of privacy and anti-censorship technologists, recruiting like-minded people for… leads, with evidence 3 for: partly supported by its tests. Four are still possible. Of the two narrower questions under it, none is answered yet.

Why it matters

It is the question that made the puzzles famous and the one no finisher has answered in public. The readings differ in what they predict about resources, branding, recruitment and what happened to finishers⁠[1]⁠[2].

Answers 5

Evidence: 3 for
Most likely
A membership test for an esoteric secret society.
Not tested enough to call either way
Evidence: 1 for, 1 against
Still possible
Evidence: 2 against
Disputed
Evidence: 1 against
Disputed
None of these.
Not tested enough to call either way
Evidence: none yet
Still possible

History

  1. Hern puts forward: a private international group of privacy and anti-censorship technologists, recruiting like-minded people for…
  2. Vincent puts forward: a recruitment exercise by an intelligence or security agency.
  3. Martin puts forward: an alternate-reality game or marketing campaign for a company or product.
  4. Martin puts forward: a membership test for an esoteric secret society.
  5. Hern: a leaked 2012 email describes an international group with no name, opposed to censorship and committed to…For: A private international group of privacy and anti-censorship technologists, recruiting like-minded people for…
  6. Martin: the puzzles emphasise anonymity tools, file formats and networking rather than advanced cryptography.For: A private international group of privacy and anti-censorship technologists, recruiting like-minded people for…
  7. Hern: agencies have recruited through puzzles, but GCHQ's were openly branded; a service would hardly recruit on…Against: A recruitment exercise by an intelligence or security agency.
  8. Martin: the puzzles test internet skills and general knowledge more than cryptography.Against: A recruitment exercise by an intelligence or security agency.
  9. Hern: cicada ran for three years without revealing a product, unlike ILoveBees, which ended after three months with…Against: An alternate-reality game or marketing campaign for a company or product.
  10. Martin: martin calls it the most unlikely explanation.Against: A membership test for an esoteric secret society.
  11. Andjelkovic: the texts use spiritual language of enlightenment and pilgrimage, which a religious-studies reading treats as…For: A membership test for an esoteric secret society.
  12. Asked on this site
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