Need Some reccomendations for DS games!

[Shujinco2]

So far, I have:

Star Fox Command
Digimon World Dawn
Pokemon Pearl
Pokemon Diamond
DBZ: Harukanaru Densetsu
Kirby Squeak Squad
Mario Kart DS
Legand of Zelda: Phantom Hourglass
and something else. (Forget what.)

Other than that, what are some good reccomendations? Also, what are some underrated/over looked games for the DS?

[jnfs2014]

Pokemon Mystery Dungeon 2.

[noodle976]

Taiko no Tatsujin DS and it's sequel :O
Ouendan/Elite Beat Agents

[HTA!]

DS-
Final Fantasy 3
MPH
Planet Puzzle League
Ninja Gaiden Dragon Sword
Jump Ultimate Stars (Import)
Mario & Luigi Partners in Time
Sonic Rush is supposed to be good as well...

Don;t forget the old GBA!

GBA-
Golden Sun
Golden Sun- Lost Age
Fire Emblem 7
Fire Emblem 8
Mario and Luigi Super Star Saga

[BOSSNIG]

Ninja Gaiden DS