According to Enterbrain/Famitsu.
This is a better performance in the same time period than this year's Monster Hunter Portable 2nd G, Smash Bros. Brawl or Dragon Quest V DS. And it surpasses NSMB as the best single-performing DS game in a sales week, despite having 2 days in the week due to its Saturday release. As far as DS games go, it's only behind the combined Diamond/Pearl.
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