Color Puzzle is a completey free game. You can get more colors by mixing any two colors from red, yellow and blue.
In order to pass the hundreds of checkpoints, you have to scheme red, yellow and blue colors. What you need to do is just filling the corresponding color in the light ring, and then you can pass!
Difficulty is from the shallower to the deeper with the growing strategic, besides, you will get more immediate sense of accomplishment.
When you passed the checkpoint, you will find if you use less brush,you will get higher evaluation!