Stay up to date with notifications from The Independent

Notifications can be managed in browser preferences.

GCHQ’s Christmas puzzle 2025 revealed

The questions have been set by GCHQ
The questions have been set by GCHQ (GCHQ)
  • GCHQ has launched its annual Christmas challenge, featuring a new set of seven brainteasers and Christmas card designs by schoolchildren.
  • This year's challenge marks a decade of GCHQ's festive puzzles, designed to test a range of problem-solving skills including intuitive reasoning and creativity.
  • Over 500 schoolchildren participated in a competition to design the card cover, with three winning designs selected from students in London, Winchester, and Salisbury.
  • The puzzles, created by GCHQ's in-house experts, test skills such as codebreaking, maths, analytical thinking, and lateral thinking, encouraging groups to work together.
  • GCHQ Director Anne Keast-Butler highlighted that the challenge aims to inspire the next generation to explore STEM subjects and consider careers in cybersecurity and intelligence.
In full

Thank you for registering

Please refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in