This is a simple game based on the Stroop Test. Stroop effect - a response delay when reading words, when the color of the word does not match the written words.
The essence of the game is simple: In 45 seconds, you need to answer the maximum number of tasks correctly. Lights "Value" - click on the square of color, what color is written, regardless of its color. Lights "Colour" - click on the square of color, how the written word (meaning color).
Here are 2 levels of difficulty: 1) It is easy, when the colored squares at the same place. 2) It's hard when the squares change position after the response.
Also here two different colors: 1) 6 colors; 2) 8 colors.