The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...

Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, ...

From music and movies to food and festive traditions, there's something for adults and children to enjoy in our seasonal quiz ...

The spy agency's "Chief Puzzler" said the notoriously tricky puzzles are designed to test "the same blend of skills our teams ...

GCHQ’s Chief Puzzler, Colin, said: ‘This year’s Christmas Challenge features seven puzzles designed to test everything from codebreaking and mathematical analysis to lateral thinking and creativity – ...

GCHQ has released their annual Christmas puzzle for 2025, even providing prospective codebreakers with some hints.

If you fancy yourself as a budding sleuth, hacker or code-breaker, GCHQ has released its annual Christmas challenge and is ...

GCHQ's Christmas puzzle is nearly here but when will it be unveiled? Here's what we know so far about the upcoming quiz.

Start a new family Christmas tradition with these holiday puzzles. Have you ever wondered if a puzzle would be a good Christmas gift for someone? There are a couple of things to consider that might ...