Here's the same list based on VGChartz numbers. The Wikipedia numbers are heavily outdated for some, and up to date for others. Thus, they're flawed. Also, some of the sources seem a bit fishy (IIRC).
pdated the list. the (+) is change since sometime in March last year.
1. Mario - 351M
2. Pokemon - 169M
3. Wii Series 84.6M
3. Grand Theft Auto - 77M
4. Final Fantasy - 61M
5. The Sims - 56M
6 Need for Speed (with numerous missing data) - 54.5 m
7. Sonic 51M
8. Gran Turismo - 50.6M
9. The legend of Zelda - 49.6M
10. Tetris - 46,5M
11. Donkey Kong - 45.1M
12. Dragon quest 39.7M
13. Madden 43.1M (6M)
14 - GUITAR HERO (without PC) - 35.9 M
15 - Call of Duty (with missing data) - 34.6M
16. Fifa 33.3M
17. Pro evo soccer - 31M
18. Brain Training - 30.9M
19, Crash Bandicoot 29,3M
20. Resident evil - 29,1M
21. Kirby 25,3M
22. Tekken 24,4M
23. Tomb Raider - 21,8M
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS
