Nintendo has announced that Nintendogs has sold a quarter of a million copies in its first week on sale in North America. This made it the best-selling game in America, and the best-selling new game franchise on a handheld in videogame history. The success of the game has also done wonders for DS hardware sales, with retailers reporting up to three times as many sales since the game was released.

"Nearly 15 percent of all DS owners bought Nintendogs in just a week, a virtually unprecedented adoption rate for any title on an established system," said Reggie Fils-Aime, Nintendo of America's executive vice president of sales & marketing. "And it's also helping sell new DS hardware. Coupled with a price drop to $129.99, retailers are reporting DS sales up between one and a half and three times previous levels, and last week DS comfortably outsold our portable competitors."

European DS owners can look forward to caring for their new puppy in October.

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