You are the center donut.
Don't let any of the donuts reach the center.
Tap/Swipe the attacking donut for it to disappear.
Your donut must be of the same color as the donut that you tap/swipe.
Clicking the rectangles will change the color of your donut.
Drag the Menu Option (Easy, Medium, Hard, Help, or Credits) to the center to choose that option.
>Switch between primary colors easily.
>When you are in primary color state,
clicking another primary color will
mix you to a secondary color state.
>When in secondary color state,
clicking any primary color will
change you to that color.