gchq

GCHQ puzzle

Can You Crack the GCHQ Puzzle and Join the Ranks of Spies?

Challenge yourself with GCHQ's latest puzzle and prove your spy-worthy skills!

See more

GCHQ Christmas puzzle

Crack the Code: GCHQ's Christmas Challenge Heats Up!

Think you’ve got what it takes to be the next codebreaker? Dive into GCHQ’s festive puzzle challenge this Christmas!

See more

GCHQ

Can You Crack the Code? GCHQ's Christmas Challenge Will Get Your Brain Buzzing!

Think you've got what it takes to solve GCHQ's Christmas puzzles? See if you can outsmart the spies with their annual brainteaser!

See more