This is a very test the reaction speed of the game, the screen is divided into 4 rows and 4 columns, each row has white and black color, your task is to press him, each press on a screen will automatically decline. The game has no time limit, the picture will not stop the whereabouts of the moment, but faster and faster, you have to be in such a limit, as much as possible according to color, missing or press the wrong game will end. Competition who can press exactly the color up the most.