GameZone
nds.gamezone.com
News, screenshots, and downloads.
GameSpot
gamespot.com
Reviews, news, previews, images, videos, cheats, links, and a forum.
IGN
ds.ign.com
Review, screenshots, videos, previews, news, and a message board.
GameSpy
gba.gamespy.com
Review, previews, and screenshots.
1UP
1up.com
Review, by Jennifer Tsao: "So whether you're looking for a real intellectual workout or just hoping to move to the next level of brain training, sign up for Big Brain Academy and get crackin'!" [Score: 9 out of 10]
GameStats
gamestats.com
Screenshots, videos, and article links.