According to game-tracking website VGChartz, sales of Nintendo's pop-culture phenom Wii Sports have surpassed those of legendary platformer Super Mario Bros., making the breakout Wii title the best-selling video game of all time. And it only took two years and two months to do it.
http://videogames.yahoo.com/feature/wii-sports-is-best-selling-game-ever/1276855
http://videogames.yahoo.com/feature/wii-sports-is-best-selling-game-ever/1276855