Nintendo isn't about to panic, however. Rather, Dunaway thinks it could have the same long-term appeal already displayed by Wii Fit, Wii Play, and Mario Kart Wii, all of which regularly show up in the monthly NPD charts. "We're predicting that it's going to be an evergreen title, she told MTV Multiplayer. "And if you look at titles like Brain Age, it's about the same as what Brain Age did during it's first few weeks and went on to sell 2.5 million copies. Wii Fit certainly had a larger launch than that. But I think that people are starting to understand Wii Music."