Will be updating sometime tonight, after I get home from work.
For now, I'm putting up the previous numbers, which were current as of October the 1st, 2010:
1. Wii Sports - 65.34 million sold
2. Wii Play - 27.79 million sold
3. Nintendogs - 23.88 million sold
4. Mario Kart Wii - 23.00 million sold
5. New Super Mario Bros. - 22.64 million sold
6. Wii Fit - 22.61 million sold
7. Call of Duty: Modern Warfare 2 - 20.25 million sold
8. Brain Age: Train Your Brain in Minutes a Day - 19.32 million sold
9. Mario Kart DS - 18.51 million sold
10. Wii Sports Resort - 17.90 million sold
11. Pokemon Diamond/Pearl - 17.58 million sold
12. New Super Mario Bros. Wii - 15.85 million sold
13. Brain Age 2 - 14.90 million sold
14. Grand Theft Auto IV - 14.76 million sold
15. Call of Duty 4: Modern Warfare - 14.63 million sold
16. Wii Fit Plus - 13.76 million sold
17. Call of Duty: World at War - 12.92 million sold
18. Mario and Sonic at the Olympic Games - 12.47 million sold
19. Animal Crossing: Wild World - 11.31 million sold
20. Halo 3 - 11.18 million sold
21. Guitar Hero III: Legends of Rock - 10.82 million sold
22. LEGO Star Wars: The Complete Saga - 10.17 million sold
23. Super Smash Bros. Brawl - 9.64 million sold
24. Pokemon Heart Gold/Soul Silver - 8.97 million sold
25. Super Mario Galaxy - 8.90 million sold
26. Assassin's Creed - 8.74 million sold
27. LEGO Indiana Jones: The Original Adventures - 8.66 million sold
28. Super Mario 64 DS - 8.53 million sold
29. FIFA Soccer 10 - 8.26 million sold
30. Assassin's Creed II - 8.08 million sold
31. Guitar Hero: World Tour - 7.51 million sold
32. LEGO Batman: The Videogame - 7.36 million sold
33. Mario Party 8 - 7.18 million sold
34. Pokemon Platinum - 7.10 million sold
35. Star Wars: The Force Unleashed - 6.95 million sold
36. Mario Party DS - 6.70 million sold
37. Big Brain Academy - 6.47 million sold
38. Mario & Sonic at the Olympic Winter Games - 6.29 million sold
39. Resident Evil 5 - 6.21 million sold
40. Grand Theft Auto: Liberty City Stories - 6.18 million sold
41. Madden NFL 10 - 6.17 million sold
42. FIFA Soccer 08 - 6.15 million sold
43. Red Dead Redemption - 6.10 million sold
44. Gears of War - 6.09 million sold
45. FIFA Soccer 09 - 6.02 million sold
46. Gears of War 2 - 5.89 million sold
47. Final Fantasy XIII - 5.83 million sold
48. The Legend of Zelda: Twilight Princess - 5.68 million sold
49. Halo 3: ODST - 5.66 million sold
50. Fallout 3 - 5.60 million sold
