The GCHQ Christmas Challenge 2022….. can you crack the code? The GCHQ Christmas Challenge 2022….. can you crack the code? 15th December 2022 R Richards Comments 0 Comment The GCHQ Christmas Challenge 2022 The Challenge returns for a second year with a series of fiendish brainteasers and a final twist! Click here to give it a go… The GCHQ Christmas Challenge 2022