My last review was pretty sarcastic, but now I have an legitimate suggestion/problem. You see, when the timer starts to test your reaction, the background color goes from red to green. I'm red-green colorblind. This is a problem. If Mr. Dev could add a colorblind mode, or even change the colors altogether (colorblind mode would be preferable to cater to the types of colorblindness), it would most likely affect my scores and the scores of many other colorblind folks.