Wut?
WiiSports* should count because its a Wii title, and all people love it and play it like crazy. Soon it will dethrone Solitaire, as the Wii takes over all. WiiPlay** will be #2 shortly, for the same reason.
WiiSports and WiiPlay should share Game of the Year, every year, despite being released in 2006/2007.
* bundled with console
** bundled with extre controller for a console, on which the best titles and main demographics need multiple controllers.