When you click the play button from the Game Settings screen, the game menu appears and at the bottom of the screen is a sound bar. Slide the bar all the way to the left to turn off sound completely or slide it only part way to reduce the volume.
When you click the play button from the Game Settings screen, the game menu appears and at the bottom of the screen is a sound bar. Slide the bar all the way to the left to turn off sound completely or slide it only part way to reduce the volume.