Brain Age 2: More Training in Minutes a Day NDS

A follow-up on the DS brain-training series, this game is oriented for adults wishing to improve their thinking skills by pressuring them to improve themselves with simple yet sharp skill tests. The game includes an entirely different set of training exercises which have been created using the latest in brain research. In the end, you'll receive a rating which indicates the age of your brain.

The full Japanese title, by the way, is one of the longest game titles on record: "Touhoku Daigaku Mirai Kagaku Gijutsu Kyodou Kenkyuu Center Kawashima Ryuta Kyoujuu Kanhuu Motto Nou wo Kitaeru Otona no DS Training"