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GCHQ releases annual Christmas puzzle challenge, adding complexity with three hidden elements.
The UK's GCHQ has released its annual Christmas challenge, a series of seven puzzles designed to test codebreaking, math, and analytical skills.
This year includes three extra hidden elements for added difficulty.
Available for download from the GCHQ website, the challenge aims to inspire young people to explore STEM subjects and consider careers in cybersecurity and intelligence.
Last year’s challenge was downloaded over 138,000 times.
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GCHQ lanza el desafío anual de rompecabezas de Navidad, añadiendo complejidad con tres elementos ocultos.