# GCHQ Christmas Challenge 2025

**URL:** <https://boards.straightdope.com/t/gchq-christmas-challenge-2025/1025668>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [December 13, 2025, 4:02pm UTC](https://boards.straightdope.com/t/gchq-christmas-challenge-2025/1025668 "2025-12-13T16:02:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![colinfred](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/colinfred/32/21338_2.png) [@colinfred](https://boards.straightdope.com/u/colinfred)\
**Post date:** [December 13, 2025, 4:02pm UTC](https://boards.straightdope.com/t/gchq-christmas-challenge-2025/1025668/1 "2025-12-13T16:02:48Z")

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> **[GCHQ releases annual Christmas Challenge 2025 with puzzles designed by...](https://www.gchq.gov.uk/news/gchq-christmas-challenge-2025)**
>
> To mark a decade of festive puzzles, our in-house puzzlers have masterminded seven fiendish brainteasers and teamed up with schoolchildren on three festive designs

Quite a bit of fun. I’ve solved the main puzzle, but have given up on trying to crack Santa’s password.

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**Author:** ![Reply](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/reply/32/15952_2.png) [@Reply](https://boards.straightdope.com/u/Reply)\
**Post date:** [December 13, 2025, 4:47pm UTC](https://boards.straightdope.com/t/gchq-christmas-challenge-2025/1025668/2 "2025-12-13T16:47:47Z")

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Cool, thanks for sharing! This will be fun to try at the family holiday party.