1. Pokemon Red, Blue and Green

Gameboy - 20.08 Million Copies Sold

2. Super Mario Bros. 3

Nintendo - 18 Million Copies Sold

3. The Sims

PC - 16 Million Copies Sold

4. Nintendogs

Nintendo DS - 14.75 Million Copies Sold

5. Pokemon Gold and Silver

Gameboy - 14.1 Million Copies Sold

6. Super Mario Land

Gameboy - 14 Million Copies Sold

7. Grand Theft Auto: Vice City

Playstation 2 - 13 Million Copies Sold

Pokemon Ruby and Sapphire

Game Boy Advance - 13 Million Copies Sold

The Sims2

PC - 13 Million Copies Sold

10. Grand Theft Auto: San Andreas

Playstation 2 - 12 Million Copies Sold

11. Super Mario 64

Nintendo 64 - 11 Million Copies Sold

Gran Turismo 3: A-Spec

Playstation 2 - 11 Million Copies Sold

Grand Theft Auto III

Playstation 2 - 11 Million Copies Sold

14. Pokemon FireRed and LeafGreen

Game Boy Advance - 10.66 Million Copies Sold

15. New Super Mario Bros.

Nintendo DS - 10.52 Million Copies Sold

16. Gran Turismo

Playstation 1 - 10.5 Million Copies Sold

17. Pokemon Diamond and Pearl

Nintendo DS - 10 Million Copies Sold

Super Mario Bros. 2

Nintendo - 10 Million Copies Sold

19. Final Fantasy VII

Playstation 1 - 9.8 Million Copies Sold

20. StarCraft

PC - 9.5 Million Copies Sold

21. World of Warcraft

PC - 9 Million Copies Sold

22. Brain Age: Train Your Brain in Minutes a Day!

Nintendo DS - 8.61 Million Copies Sold

23. Gran Turismo 2

Playstation 1 - 8.5 Million Copies Sold

24. Mario Kart 64

Nintendo 64 - 8.47 Million Copies Sold

25. Halo 2

XBox - 8 Million Copies Sold

Donkey Kong Country

Super Nintendo - 8 Million Copies Sold

Super Mario Kart

Super Nintendo - 8 Million Copies Sold

GoldenEye 007

Nintendo 64 - 8 Million Copies Sold

Pokemon Yellow

Game Boy - 8 Million Copies Sold