Nintendo's Rhythm Heaven Gold sold 137,000 copies during the week ended August 17 to claim the No1 spot in the Japanese chart.
That DS title's sales total dwarfed those of its nearest competitors, former chart toppers Phantasy Star Portable and Dragon Quest V, which each racked up 74,000 unit sales.
Nintendo's Wii Fit took fourth place, jogging past the 2.5 million sold milestone in the process, while Mario Kart Wii rounded off the top five.
DS and Wii titles took five and three of the top ten places respectively, while one PSP and one PS2 title charted.
