It starts by simply dragging and dropping the matching RYB primary colors. Then, secondary colors are introduced. For secondary colors, you must mix the primary colors by dragging those to each other. Then, tertiary colors and so on.
Version history
1.0.12
2020-10-27
Fireworks added. Watermelon fixed.
1.0.11
2020-10-23
Smoothing touch and scrolling on level select
1.0.10
2020-10-20
Fixed win condition that cause any action at all to win the level.