COLOR box is a online puzzle game using the additive color system (color theory). Instructions

• Press the left and right arrow keys to move the color
• Press the down arrow key to drop the color
• When a color is dropped, it’s color is added to the colors in adjacent squares
• Create white squares to score points. The more white squares you make at once, the higher your score

Thanks to Mike from Eyehook for the approval to publish COLOR Box on Passion for Puzzles.