Big Brain Academy (NDS)

Nintendo's brain-training series of games represent a cornerstone of Nintendo's aim to expand the world of video games to new audiences. The second title in the series, Big Brain Academy (known as Brain Flex in Japan) offers players 15 fun activities that test their brain powers in areas like logic, memory, math and analysis. Up to eight people can play with a single game card, and each activity takes less than a minute to complete.