Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, the UK's intelligence agency. GCHQ released its annual Christmas card on ...
If you fancy yourself as a budding spy, GCHQ’s Christmas challenge will put your analytical skills to the test. The UK spy agency, which sets an annual quiz aimed at children aged between 11 and 18, ...
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 – ...
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