Simple, clear and yet very effective game to develop concentration and dexterity. You can of course play it alone, however, recommend a single option. Press the spacebar for the left half and the up arrow to the right at the moment when the gray thing is in the center of the circle trap. At the end of the game You will see which half of the brain You have developed stronger — left or right. Just look at the result.

Download flash player, to play the game.

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Games for tablet and smartphone
Games for tablet and smartphone

You can play the game THE DEVELOPMENT OF ATTENTION online 24 hours a day for free. It is no need to download and install it on your computer, and it is also not required you to be the registered user. Just ckick and enjoy. See also a set of related games below on that you might be interested to look.