Nintendo has sold over 30 million DS units in Japan, since the hardware first launched over five years ago.

According to a report by Famitsu, the best-selling game for the system so far has been New Super Mario Bros, clocking up 5,767,262 units since release.

Over the years, Nintendo has tweaked the hardware with the DS Lite, DSi and the larger screened DSiLL, and yesterday it announced a true successor to the system, the 3DS, which will introduce 3D screen technology.

The DS family has so far sold over 125 million units worldwide.

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