Pablo's Armchair Treasure Hunt

ATH 2025 Puzzle

After the video plays (you may need to click/press ▶) follow the instructions below.

Select a link below to see a message from the setters. The message will be followed by a link to the ATH2025 pdf. The content is the same for each link, you just get higher quality with the larger files and potentially a slower response.

  • message 60.8mb, pdf 13.4mb
  • message 133.2mb, pdf 42.7mb
  • message 295.4mb, pdf 79.0mb

Errata

  1. 2025/12/18 13:15
    • The adult crossword. It is fair to say that we overdid the Rs for a well known Rs.
    • 29 down, modify the answer to be monocular so that it fits.
    • 10 across, typographical error, should be (8,7).
    • 14 across, typographical error, should be (8).

  2. 2025/12/18 20:30
    • 8 across, there are two spellings of the answer in general use, one is a single character too long to fit the available space. Either answer is acceptable. If using the longer answer please drop the final character.

  3. 2025/12/19 08:00
    • Page 7 use homophone.

  4. 2025/12/28 11:15
    • You may find it helpful to replace ciphertext ...HBXSXK with ...PQGKIB

  5. 2025/12/31 17:45
    • Question 7968. For one of the five options you are looking for a food named "by them" rather than "after them".