Nintendo should be cooler.

[zorg1000]

1. Pokémon X/Y-12.72 million
2. Mario Kart 7-10.64 million
3. Super Mario 3D Land-10.09 million
4. New Super Mario Bros. 2-8.61 million
5. Pokémon Omega Ruby/Alpha Sapphire-8.00 million
6. Animal Crossing: New Leaf-7.69 million
7. Super Smash Bros. for 3DS-5.84 million
8. New Super Mario Bros. U-4.69 million
9. Mario Kart 8-4.34 million
10. Luigi's Mansion: Dark Moon-4.13 million
11. Tomodachi Life-3.97 million
12. Nintendo Land-3.86 million
13. The Legend of Zelda: Ocarina of Time 3D-3.62 million
14. Nintendogs+Cats-3.53 million
15. Super Smash Bros. for Wii U-3.22 million
16. Super Mario 3D Land-3.06 million
17. Legend of Zelda: A Link Between Worlds-2.44 million
18. Paper Mario: Sticker Star-2.14 million
19. New Super Luigi U-2.06 million
20. Mario & Luigi: Dream Team-1.83 million
21. Donkey Kong Country Returns 3D-1.62 million
22. Wii Party U-1.58 million
23. Fire Emblem: Awakening-1.55 million
24. Kirby: Triple Deluxe-1.39 million
25. Mario Party: Island Tour-1.32 million
26. The Legend of Zelda: Majora's Mask 3D-1.31 million
27. The Legend of Zelda: Wind Waker HD-1.31 million
28. Kid Icarus: Uprising-1.19 million
29. Pokémon Mystery Dungeon: Infinity-1.16 million
30. Pokémon Rumble Blast-1.09 million
31. Donkey Kong Country: Tropical Freeze 1.04 million
32. Yoshi's New Island-1.00 million

There are currently 32, 1st party Nintendo titles over 1 million, 16 over 3 million, 7 over 5 million and 3 over 10 million. Alot of these games are still selling well and there are a bunch of games yet to release that will make the list. Nintendo games sell great despite not being "cool".