10. Wii Play (Wii)   411,416 copies
9. Mario Kart DS (DS)   416,935 copies
8. Mario Party DS (DS)   497,547 copies
7. Wii Sports (Wii)   544,958 copies
6. Metal Gear Solid 4 (PS3)   576,437 copies

5. Pokémon Ranger: Battonage (DS)   576,467 copies
4. Wii Fit (Wii)   1,443,167 copies
3. Mario Kart Wii (Wii)   1,526,664 copies
2. Super Smash Bros. Brawl (Wii)   1,666,323 copies
1. Monster Hunter Portable 2nd G (PSP)   2,300,505 copies

Link