Brain Age Concentration Training box art

Brain Age: Concentration Training (known in Japan as Demon Training, Oni Training, or Oni-Tore and in Europe as Dr. Kawashima's Devilish Brain Training: Can You Stay Focused?[1]) is a puzzle game for the Nintendo 3DS, and the third title in the Brain Age series. [2] Published by Nintendo, it was released July 28, 2012 in Japan and February 10, 2013 in North America, and was released March 8, 2013 in Europe.





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