Kotaku:Nintendo Million Sellers Revealed

Wii

Wii Sports - 17,850,000
Wii Play - 9,230,000
Super Mario Galaxy - 5,190,000
Mario Party 8 - 4,350,000
The Legend of Zelda: Twilight Princess - 4,300,000
Super Paper Mario - 2,160,000
Big Brain Academy: Wii Degree - 2,000,000
Mario Strikers Charged - 1,650,000
Metroid Prime 3: Corruption - 1,140,000
Link's Crossbow Training - 1,070,000
Wii Fit - 1,050,000

Nintendo DS

Nintendogs - 17,790,000
Pokemon Diamond & Pearl - 14,170,000
New Super Mario Bros. - 13,140,000
Brain Age - 11,710,000
Brain Age 2 - 9,840,000
Mario Kart DS - 9,670,000
Animal Crossing Wild World - 9,200,000
Super Mario 64 DS - 5,780,000
Big Brain Academy - 4,610,000
The Legend of Zelda: Phantom Hourglass - 3,820,000
Pokemon Ranger - 2,610,000
Pokemon Mystery Dungeon: Explorers of Time & Explorers of Darkness - 1,540,000