The setter of ATH2025 will not be using X. To get the latest information on ATH2025 subscribe to the mailing list (at PablosATH.com bottom of the page).

Joined November 2020
Photos and videos
Pinned Tweet
30 May 2025
The setter of ATH2025, due in December 2025, is no fan of Social Media and will not be using X. To get the latest information on ATH2025 subscribe to the mailing list (at PablosATH.com bottom of the page).

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13 Dec 2024
Pablo's ATH 2024 was published this afternoon at pablosath.com/current/puzzle. Happy hunting!

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In case you're not signed up to the mailing list (or the email went to spam), please note that the poster for the 2024 Hunt was published this afternoon at pablosath.com/current/poster. Happy hunting!

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26 Jun 2024
The results will be up on the website and emailed out shortly. Thanks very much for your patience, I know it has taken ages. The prizegiving will take place from 6pm on Monday 8 July upstairs at the Marquis Cornwallis pub in London WC1. I hope to see lots of you there.
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16 Jan 2024
You can feel free to discuss the hunt on social media now. What puzzles stumped you? What "aha!" moment are you most proud of?
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16 Jan 2024
This year's hunt is now finished. A solution document and a hints document (for those who want to keep solving) has been sent to everyone who submitted an answer. If you haven't received these but would like to, drop me a line.
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14 Jan 2024
This year's hunt has now finished. I've received lots of answer submissions and have sent replies acknowledging receipt. If you haven't had an email from me, please drop me a line.
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13 Jan 2024
Fine (ish) weather for a treasure hunting expedition.... last chance before the deadline tomorrow.
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Mr Wily has asked me to tell you that he will reward you if you can tell him the identity of the person(s) who double-crossed him, or any information that could help catch them. Include all this in your answer document
You should submit your answer document even if you haven't found the treasure. Most teams don't - there's still lots of points up for grabs.
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You should submit your answer document even if you haven't found the treasure. Most teams don't - there's still lots of points up for grabs.
Remember to mention in your covering email if you are a virgin team (never participated in a Pablo's ATH before). You are eligible for a special prize.
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Remember to mention in your covering email if you are a virgin team (never participated in a Pablo's ATH before). You are eligible for a special prize.
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Points are available for your answers to the poster, the mini-poster, the main hunt and anything else you found along the way. If you emailed me anything during the course of the hunt, you should also include it in your answer document to get credit.
Team captains should sent their answer document (an attached document not a link) to pablosath2023@gmail.com
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Team captains should sent their answer document (an attached document not a link) to pablosath2023@gmail.com
The hunt will close and you must submit your answer documents by 8pm (GMT) Sunday 14 January.
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The hunt will close and you must submit your answer documents by 8pm (GMT) Sunday 14 January.
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21 Dec 2023
Does anyone want an extra team member? I've got a guy from San Francisco who was tackling the hunt solo and would like to join a team. I'm sure he'd be an asset to any team. Drop me a line if you can adopt him.
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15 Dec 2023
This year's treasure hunt has arrived at pablosath.com

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@PablosATH retweeted
14 Dec 2023
The 2023 #GCHQChristmasChallenge has arrived, and this year is our trickiest Challenge yet! Have you got what it takes to complete our special festive puzzle mission? Download it now! gchq.gov.uk/xmas2023 🧵 1/4
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13 Dec 2023
Another little mini poster has been added to pablosath.com to keep you going until the main hunt arrives.

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The poster for this year's hunt is now available at pablosath.com

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@PablosATH retweeted
Replying to @PablosATH
Thanks. Do you intend people to submit, and if so how?
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