http://www.m-create.com/jpn/s_ranking.html

1. (PS2, Koei) Sengoku Musou 2 Empires - 97,170
2. (DS, Nintendo) Common Knowledge Training - 78,722 / 529,828
3. (DS, Pokemon) Pokemon Diamond - 68,147 / 1,751,043
4. (DS, Pokemon) Pokemon Pearl - 57,627 / 1,481,617
5. (DS, Nintendo) Hoshi no Kirby Dorocche Dan - 52,177 / 296,258
6. (DS, Nintendo) Magic Taizen - 28,215
7. (DS, Nintendo) New Super Mario Brothers - 22,986 / 3,416,907
8. (PS2, Sega) Yakuza PS2 The Best - 21,154 / 86,292
9. (DS, Nintendo) More Brain Age - 19,349 / 3,431,357
10. (PS2, Bandai) NARUTO Kinoha Spirits - 19,277

Pokemon Diamond + Pearl - 3,232,660

DSL 128,621
PS3 42,099
PSP 16,690
PS2 15,068
Xbox360 4,050
GBASP 1,199
GBM 1,037
GC 514
DS 182
GBA 30
Xbox 6

YTD / LTD

DS: 6,688,151 / 12,335,100
PSP: 1,509,286 / 4,192,248
PS3: 123,738 / 123,738
360: 96,442 / 167,009

Where's the Wii in those figures?