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

GCHQ’s chief puzzler, known only as Colin, added: “This year’s Christmas challenge features seven puzzles designed to test ...

GCHQ release their annual Christmas card, filled with puzzles and hidden codes designed to help children hone a range of ...

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

GCHQ has unveiled its annual Christmas Challenge for 2025, challenging Britons to try and crack the code. The festive puzzle ...

Word puzzles currently dominate the internet space with their old-world charm, and there's a good reason behind that. These simple yet addictive challenges use random letters arranged in a grid to ...