Or Walmart.
Here's the total sales of DS software so far according to NPD data.
Super Mario 64 DS - 948,892
Spider-Man 2 - 304,544
WarioWare: Touched! - 202,176
Asphalt Urban GT - 190,030
Madden NFL 2005 - 171,199
The Urbz - 155,361
Yoshi's Touch & Go - 94,069
Ridge Racer DS - 81,856
Feel The Magic XY/XX - 61,708
Pokemon Dash - 59,985
Tiger Woods PGA 2005 - 50,497
Robots - 50,003
Mr. Driller - 46,643
Ping Pals - 37,380
Rayman DS - 22,270
Zoo Keeper - 21,999
Sprung - 21,705
Retro Atari - 13,974
The top selling GBA games overall:
Super Mario Advance 2 - 2,437,305
Pokemon Ruby - 2,316,845
Pokemon Sapphire - 2,076,324
Super Mario Advance - 2,075,574
Mario Kart Super Circuit - 2,027,327
Super Mario Advance 3 - 1,673,303
Pokemon Fire Red - 1,359,230
The Legend of Zelda: A Link to the Past - 1,349,428
POKEMON LEAFGRN W/ADP - 1,180,118
YOSHI'S ISLAND:MARIO3 - 1,145,903
NES Classics total sales:
Super Mario Bros - 494,895
Zelda - 326,030
Donkey Kong - 278,513
Dr. Mario - 196,259
Pac-Man - 186,962
Zelda II - 173,919
Metroid - 84,527
Excitebike - 78,696
Castlevania - 76,314
Ice Climber - 53,687
Bomberman - 51,320
Xevious - 37,733
NES Classics Total - 2,038,855