1. Kidou Senshi Gundam: Senjou no Kizuna Portable (PSP) - 85,000
2. Super Robot Wars K (DS)
3. Yugioh 5D's Stardust Accelerator: World Championship 2009 (DS) - 36,000
4. Makai Senki Disgaea 2 Portable (PSP) - 35,000
5. Mario and Luigi 3 (DS)
6. Monster Hunter Portable 2nd G (PSP)
7. Powerful Pro 2009 (PS2)
8. Musou Orochi Z (PS3)
9. Picross (DS)
10. Biohazard 5 (PS3)
http://www.famitsu.com/game/rank/sokuho/1223180_1796.html
Some other numbers:
Yugioh 5D's: Wheelie Breakers (Wii) - 7,700
Suzumiya Haruhi no Heiretsu (Wii) - 10,000