Mix colors to make all fields the same color. Tap any field, tap another to mix them. That’s it!
To get a secondary color, mix two primary colors:
RED and YELLOW make ORANGE
To get a primary color, mix a secondary color and the other primary of it:
GREEN and BLUE make YELLOW
It is very simple, but sometimes really tricky ;-)
Play the first 20 levels again and again or click on "More Levels" to unlock more than 200 degrees of difficulty, unlimited number of levels and the usage of all 25 fields!