Hootie said:
What the hell...are there even 27 first party DS games (I want the G&W!)?
Just counting North America:
Super Mario 64 DS
WarioWare: Touched
Yoshi Touch & Go
Pokémon Dash
Polarium
Kirby: Canvas Curse
Meteos
Advance Wars: Dual Strike
Nintendogs: Chihuahua & Friends
Nintendogs: Dachshund & Friends
Nintendogs: Lab & Friends
Trace Memory
Metroid Prime Pinball
Nintendogs: Best Friends Edition
Mario Kart DS
Mario & Luigi: Partners in Time
Animal Crossing: Wild World
Electroplankton
Super Princess Peach
Pokémon Trozei!
Metroid Prime Hunters
Tetris DS
Brain Age: Train Your Brain in Minutes a Day!
New Super Mario Bros.
Magnetica
Big Brain Academy
Sudoku Gridmaster
Tenchu Dark Shadow (Published by Nintendo in North America)
Star Fox Command
Mario Hoops 3-on-3
Pokémon Mystery Dungeon: Blue Rescue Team
Pokemon Mystery Dungeon: Red Rescue Team
Mario vs. Donkey Kong 2: March of the Minis
Clubhouse Games
Nintendogs: Dalmatian & Friends
Magical Starsign
Pokémon Ranger
Children of Mana
Elite Beat Agents
Yoshi's Island DS
Kirby: Squeak Squad
Custom Robo Arena
Diddy Kong Racing DS
Hotel Dusk: Room 215
Planet Puzzle League
Pokémon Diamond
Pokémon Pearl
Wario: Master of Disguise
Picross DS
Brain Age 2: More Training in Minutes a Day!
DK Jungle Climber
The Legend of Zelda: Phantom Hourglass
Chibi-Robo: Park Patrol
Flash Focus: Vision Training in Minutes a Day
Mario Party DS
Master of Illusion
Advance Wars: Days of Ruin
Pokémon Mystery Dungeon: Explorers of Time
Pokémon Mystery Dungeon: Explorers of Darkness
Crosswords DS
Professor Layton and the Curious Village
Pokémon Ranger: Shadows of Almia
Kirby Super Star Ultra
Mystery Case Files: MillionHeir
Personal Trainer: Cooking
65 games so far
Edit: Bah, I didn't do the lazy way. I actually made it simple for him.