Sounds and vibration can be toggled in the settings.
- Tap the Settings icon (cog) at the top right of the main screen
- Toggle the switch alongside the "Sound Effects" option (default: on)
- Toggle the switch alongside the "Vibration" option (default: off)
Sound effects are played when any option is tapped, when an answer is correct/incorrect, and when a new personal best score is achieved.
Vibrations are played when a chosen answer is incorrect.