Resident Evil 4 -- 759,000 units sold
Resident Evil: Umbrella Chronicles -- 398,800
Okami -- 165,900
Zack & Wiki -- 116,600
This information comes from a recent IGN article
http://wii.ign.com/articles/952/952652p1.html
What is the margin of error for NPD, and what is the average difference between the numbers VGChartz posts and what NPD reports?
My Games of 2011:
The Legend of Zelda: Skyward Sword
Elder Scrolls V: Skyrim
Super Mario 3D Land
Uncharted 3: Drake's Deception