According to new data released by ELSPA GfK-ChartTrack, Nintendo's Dr Kawashima's Brain Training for Nintendo DS has now surpassed sales of 3 million units in the UK, making it the most popular video game ever in the UK.

The news comes as ELSPA GfK-ChartTrack announced the Top 10 best-selling games for the first half of 2009 - a chart dominated by Nintendo titles. Brain Training charted at No.7.