Nintendo has confirmed that its immensely popular and super fun Mario Kart 8 has shifted 8 million units worldwide. That’s very impressive for a system that has just over 13 million install base. Super Smash Bros for Wii U has shifted 4.99 million copies and Splatoon has sold 4.57 million units. Super Mario Maker has sold 3.73 million copies at retail. Nintendo’s current handheld the Nintendo 3DS has sold over 61.57 million units globally since launch. With regards to software Pokémon X & Y has sold 15.64 million. Mario Kart 7 has sold 13.94 million. Super Smash Bros for 3DS is the most recent best-seller, with 8.35 million copies sold.