Hey Pikmin 3 didn't completely bomb! I wonder how much of that is digital.
The far majority of those Luigi sales must have been digital. VGChartz has it at 24k.
Some more info from Nintendo:
Nintendo reports that 6.47 million 3DS games have been sold so far in 2013, up nearly 30% from 2012. The following 3DS games have sold at least 250,000 combined copies so far this year:
Luigi's Mansion: Dark Moon (863,000)
Animal Crossing: New Leaf (739,000)
New Super Mario Bros. 2 (406,000 in 2013, 1.85 million total)
Fire Emblem Awakening (390,000)
Mario Kart 7 (352,000 in 2013, 2.84 million total)
Pokemon Mystery Dungeon: Gates to Infinity (298,000)
Donkey Kong Country Returns 3D (268,000)
Super Mario 3D Land (265,000 in 2013, 2.86 million total)
LEGO City Undercover: The Chase Begins (264,000)
