Gchq 2024 Challenger 2. The puzzle is masterminded by a team of experts who work at gchq Here's where you can download the gchq christmas puzzle 2024, the hints (if you're struggling) as well as a full list of the answers, and an explanation of how to work them.

For the 2024 gchq christmas challenge there are seven puzzles to be solved, plus several hidden elements for those looking for an additional test. The annual challenge is part of gchq’s christmas card featuring the agency’s wartime home, bletchley.