There is an unidentified color on the left side that you need to match with the color on the right side using a mixture of red, green, and blue. Slide the red, green, and blue colors at the bottom of the screen to change your mixture. Try to get as close as possible to the color on the left, and hit the score button when youre ready to see how you did! The maximum score is 100. Comes with regular mode and dark mode.