Can you solve the GCHQ Christmas challenge?

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The secret ingredient to solving the puzzle? A sprinkle of creativity!

The secret ingredient to solving the puzzle? A sprinkle of creativity!

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Diversity in thinking, the ultimate superpower for decoding!

Diversity in thinking, the ultimate superpower for decoding!

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When landmarks throw a holiday party, the clues get a little wilder!

When landmarks throw a holiday party, the clues get a little wilder!

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Where every tick-tock unlocks a new mystery!

Where every tick-tock unlocks a new mystery!

The spy agency has released its notoriously tricky annual Christmas puzzle.