It's been over a year since launch so what games have we all got so far? I have 23(including metroid demo, 22 without):
Animal Crossing: Wild World
Castlevania: Dawn of Sorrow
Feel the Magic: XY/XX
GoldenEye: Rogue Agent
Kirby Canvas Curse
Mario & Luigi: Partners in Time
Mario Kart DS
Meteos
Metroid Prime Pinball
Metroid Prime: Hunters - First Hunt (Demo)
Mr. Driller Drill Spirits
Nintendogs: Dachshund & Friends
Pac-Pix
Polarium
Ridge Racer DS
Sonic Rush
Spider-Man 2
Star Wars Episode III: Revenge of the Sith
Super Mario 64 DS
Tony Hawk's American Sk8land
Wario Ware Touched!
Yoshi Touch & Go
Zoo Keeper
Animal Crossing: Wild World
Castlevania: Dawn of Sorrow
Feel the Magic: XY/XX
GoldenEye: Rogue Agent
Kirby Canvas Curse
Mario & Luigi: Partners in Time
Mario Kart DS
Meteos
Metroid Prime Pinball
Metroid Prime: Hunters - First Hunt (Demo)
Mr. Driller Drill Spirits
Nintendogs: Dachshund & Friends
Pac-Pix
Polarium
Ridge Racer DS
Sonic Rush
Spider-Man 2
Star Wars Episode III: Revenge of the Sith
Super Mario 64 DS
Tony Hawk's American Sk8land
Wario Ware Touched!
Yoshi Touch & Go
Zoo Keeper