Published in association with The Turing Trust, this incredible collection of puzzles allows you to test if you have the range of puzzle-solving abilities requi
Published in association with The Turing Trust, this incredible collection of puzzles allows you to put your codebreaking skills to the test - if you can solve
Crack codes, decipher ciphers and unravel mysteries with this brain-boosting collection of cryptic puzzles, inspired by the brilliant mind of famous World War I