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?) is a puzzle game for the Nintendo 3DS, and the third title in the Brain Age series.  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.
- ↑ http://gonintendo.com/?mode=viewstory&id=187018
- ↑ http://www.officialnintendomagazine.co.uk/35682/brain-training-3ds-game-announced/
- Official website (Japanese)