Nintendo has released a list of the top selling Wii and DS games. According to Nintendo, Donkey Kong Country Returns has sold 4.21 million units since its release on November 21.
Wii
Wii Sports – 12.19 million (75.6 million lifetime)
Wii Sports Resort – 10.21 million (26.35 million lifetime)
New Super Mario Bros. Wii – 6.58 million (21.28 million lifetime)
Super Mario Galaxy 2 – 6.15 million (6.15 million lifetime)
Wii Fit Plus – 5.09 million (17.74 million lifetime)
Wii Party – 5.07 million (5.07 million lifetime)
Donkey Kong Country Returns – 4.21 million (4.21 million lifetime)
Mario Kart Wii – 3.95 million (26.50 million lifetime)
Super Mario All-Stars Limited Edition – 1.95 million (1.95 million lifetime)
Kirby’s Epic Yarn – 1.38 million (1.38 million lifetime)
DS
Pokemon Black/White – 5.32 million (5.32 million lifetime)
New Super Mario Bros. – 3.73 million (26.21 million lifetime)
Pokemon HeartGold/SoulSilver – 3.32 million (11.72 million lifetime)
Mario Kart DS – 2.80 million (20.70 million lifetime)
Professor Layton and the Unwound Future* – 1.87 million (1.87 million lifetime)
Art Academy – 1.52 million (1.52 million lifetime)
Mario vs. Donkey Kong: Mini-Land Mayhem! – 1.15 million (1.15 million lifetime)
Dragon Quest IX: Sentinels of the Starry Skies* – 1.02 million (1.02 million lifetime)
As you can see, Nintendo doesn’t fail when they remake an old IP.