How do I turn off the sound in the game? To turn off the sound in the game: Tap the gear icon in the top right corner. Toggle off the Sound Effects switch. You can also turn the sound off on your device. Related articles How do hints work? How do I choose a difficulty level? If I place a cross in an incorrect cell, will it also be considered a mistake? I've solved a puzzle but the game doesn't recognize it as solved. Comments 0 comments Article is closed for comments.