CAPTCHA puzzle examples
A typical visual CAPTCHA puzzle requires interaction to show that the user can comprehend and interact with one or more images.
The following screenshot shows an example of a picture grid puzzle. This puzzle requires you to select all of the pictures in the grid that include a specific type of object.
The following screenshot shows an example puzzle that requires you to identify the endpoint of a car's path in a drawing.
An audio puzzle provides background noise overlaid with spoken instructions about text that the user should type into a text box.
The following screenshot shows the display for the audio puzzle choice.