Mystery Code ChallengeVersion en ligne Decode the hidden message in this intriguing puzzle. par Nohayla Cherkaoui 1 Mystery Code Challenge Pistas 1 It's a four-letter word that indicates a way out. 2 This word is often seen on signs in buildings. 3 Think about what you do when you leave a place. 2 Mystery Code Pistas 1 It can reveal hidden details that are not visible to the naked eye. 2 It starts with the letter 'X' and is used to see inside objects. 3 This term is often associated with medical imaging. 3 El Enigma de las Letras Pistas 1 Su nombre empieza con la letra 'g'. 2 Suele ser un cazador de ratones. 3 Es un animal doméstico que maulla.