"This November marks the best November on record for sales of new physical content, " said NPD analyst Anita Frazier.

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Anita Frazier, video game market analyst at NPD, said some of the decline could be put down to Easter falling in March rather than April.

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"While the new physical retail channel still generates the majority of industry sales, our expanded research coverage allows us to assess the total consumer spend across the growing number of ways to acquire and experience gaming, including mobile apps and downloadable content, " said Anita Frazier, industry analyst, The NPD Group.

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