Apple has introduced a new title to its range of games for current generation iPods, Gameloft's Brain Challenge.

The game's described as a way to stimulate and enhance brain activity. It's available now from the iTunes Store, where it costs £3.99.

The title features 20 different games designed to stimulate certain areas of brain activity: Memory, Visual, Logic, Maths and Focus. Players win points depending on their accuracy and speed of play.

Brain Challenge is compatible with the fifth generation iPod, the iPod classic and the new iPod nano.