If you look back Wii has needed a ton of software to get it back to stratospheric levels.
October:
Wii Party (West), Kirby's Epic Yarn (Americas/Japan), Just Dance 2 (West), Mario Collection (Japan)
November:
Goldeneye (West), Black Ops (West), Udraw (Americas), Sonic Colors (WW), DKC: Returns (Americas), Michael Jackson (West), Mario Sports Mix (Japan), Zumba Fitness (West), Epic Mickey (West), the Red Wii / NSMB Red Wii bundles helped, as did the Wii Fit Plus bundle and Mario Kart bundle in Europe.
December:
Retailer price cuts and seasonality doing their things.
People are difficult to govern because they have too much knowledge.
When there are more laws, there are more criminals.
- Lao Tzu







