GCHQ's 2021 Christmas Challenge (aimed at 11-18 year olds :P) : r/puzzles
How to crack British intelligence service's devilish Christmas puzzle
GCHQ Christmas Puzzle — alaricstephen.com
GCHQ Christmas card: UK spy agency challenges 'wise men and women' to solve puzzle | CNN
How to Crack GCHQ Crypto Puzzle? — Here's the Solution
How to tackle GCHQ's Christmas card quiz | The Independent
GCHQ's Fiendish Christmas Puzzle Book for 2016 – A licence to puzzle | Intervirals
GCHQ sets its 2020 Christmas card challenge : r/puzzles
Can you solve GCHQ's Christmas card puzzle? - BBC News
GCHQ Christmas card: UK spy agency challenges 'wise men and women' to solve puzzle | CNN
Director GCHQ's Christmas Puzzle 2015 - Part 1 - GCHQ.GOV.UK
Christmas puzzle from GCHQ released - can you break the code and decipher the message? - Wales Online
Here are the answers for the GCHQ's 2022 Christmas challenge | indy100
GCHQ unveils annual Christmas card puzzle - can you solve it? | The Week UK
gchq: GCHQ Christmas puzzle 2022: What is this year's GCHQ Christmas Card Challenge, and how to play? - The Economic Times
GCHQ sends out Christmas card featuring challenging festive brainteasers - can you solve the puzzles? | The Sun
Cracking the GCHQ Christmas Card! | PuzzleNation.com Blog
GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks
Nobody has been able to answer GCHQ's Christmas puzzle | WIRED UK
Can you solve GCHQ's children's Christmas puzzle?
GCHQ sets 'fiendish' Christmas brain-teaser for the spies of tomorrow... so can YOU solve it? | Daily Mail Online
GCHQ on Twitter: "A Merry Christmas from all at GCHQ in the only way we know how ❄️ #GCHQChristmasPuzzle https://t.co/gfvHszDVEm" / Twitter
Can you solve this Christmas brainteaser by UK spy chiefs? | UK News | Metro News
GCHQ: Nobody got crypto Christmas puzzle correct | WIRED UK
Britain's GCHQ spy agency releases Christmas puzzle for kids | CNN
