Japan: Weekly software sales for 1/1 - 1/6

Here are the Japanese software sales for January 1 - January 6:

#. Platform - Title - Publisher - This week's sales (Total sales) - Weeks on sale

1. NDS - Dragon Quest Monsters: Joker - Square Enix - 266,827 (860,820) - 2nd week
2. Wii - Wii Sports - Nintendo - 166,011 (732,719) - 6th week
3. Wii - Wii Play - Nintendo - 141,702 (664,512) - 6th week
4. NDS - New Super Mario Bros. - Nintendo - 128,211 (3,986,506) - 33rd week
5. NDS - General Knowledge Training DS - Nintendo - 109,752 (1,063,093) - 11th week
6. NDS - Brain Training 2 - Nintendo - 99,320 (3,805,787) - 55th week
7. NDS - Animal Crossing: Wild World - Nintendo - 94,917 (3,843,832) - 60th week
8. NDS - Pokemon Diamond - Nintendo - 94,370 (2,479,819) - 14th week
9. NDS - Kirby Squeak Squad - Nintendo - 93,522 (836,588) - 10th week
10. NDS - Pokemon Pearl - Nintendo - 78,398 (2,054,443) - 14th week

Do you see a trend??