Interactive GCHQ christmas puzzle 2015
Published 10 December 2015 under puzzles
Can you solve GCHQ's Christmas card puzzle?
The BBC and Guardian have reported on a puzzle sent by GCHQ in their christmas card this year:
Britain's most secretive organisation - GCHQ - has added a cryptic twist to Christmas card season by including a baffling brainteaser.
To help you along we've created an interactive version of the puzzle: https://afterthoughtsoftware.com/uploads/gchq-puzzle.html