1. Mario Kart Wii - 8.94 million
2. Wii Fit - 8.31 million
3. GTA IV - 7.29 million
4. Smash Bros. Brawl - 6.32 million
5. Call of Duty: World At War - 5.89 million
And that's combined data from around the globe, with no region or platform bias....
2. Wii Fit - 8.31 million
3. GTA IV - 7.29 million
4. Smash Bros. Brawl - 6.32 million
5. Call of Duty: World At War - 5.89 million