We admit that the first game ever to feature both Sonic and Mario is going to appeal to folks naturally. We don't believe, however, that the game will sell 4 million copies together on the DS and Wii. Sega's corporate director Masanao Maeda believes though.

Being "glass is half-full" kinda people, we're all for being optimistic. But, 4 million? That's kind of absurd, wouldn't you say? Or, regardless of the type of game it is, could any title featuring both Mario and Sonic easily sell that much?

This article was originally published on Joystiq.

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