Sample Problems

If the puzzle on Ancient Greek below "looks Greek to you", don't panic – we guarantee that no previous knowledge of Greek is necessary to solve it.

All of the information you need to solve the puzzles below is in the puzzles themselves. All you need to add is some analytical reasoning and tricky thinking.

Once you've mastered these puzzles from national-level competition, why not try your skills against our past international-level problems? They're difficult enough to puzzle professional linguists... but still solvable by secondary-school students.


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  • This is a low-resolution sample.
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  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
  • This is a low-resolution sample.
    Download one of the booklets
    below to view the contest in its
    original format.
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Easy Problems

  1. Ancient Greek
  2. Japanese Braille
  3. Lalana Chinantec
  4. Molistic

Intermediate Problems

  1. Kazakh
  2. Taikyoku Shōgi
  3. Basque Numbers
  4. Basque Kinship

Hard Problems

  1. Manam
  2. Guaraní
  3. Aymara

Download sample problems