According to USA Today, Kingdom Hearts 2 is around second-third place for most copies sold in the United States! That's phenomenal, as its only major competitor seems to be Madden NFL and Mario. Now, I'm no expert, but Square-Enix should really pay attention to the fact that Kingdom Hearts does better in America then it does in Japan, and release KH2: FM+ here! You can see the full list below.

1. Madden NFL 07 (PlayStation 2; 1.8 million+ sold)
2. New Super Mario Bros. (Nintendo DS; 1.5 million+ sold)
3. Kingdom Hearts II (PS2; 1.5 million+ sold)
4. Gears of War (Xbox 360; 1 million+ sold)
5. Tom Clancy's Ghost Recon: Advanced Warfighter (Xbox 360; 913,000+ sold)
6. Final Fantasy XII (PS2; 895,000+ sold)
7. Grand Theft Auto: Liberty City Stories (PS2; 860,000+ sold)
8. NCAA Football 07 (PS2; 849,000+ sold)
9. Madden NFL 07 (Xbox 360; 826,000+ sold)
10. Brain Age: Train Your Brain in Minutes a Day!/ April (Nintendo DS; 792,000+ sold)