Top 10 best-selling games of October 2007, according to NPD Group

Halo 3 (regular, collector's, and legendary versions)--Xbox 360--434,000
Guitar Hero III: Legends of Rock (with guitar)--Xbox 360--383,000
Guitar Hero III: Legends of Rock (with guitar)--Wii--286,000
Guitar Hero III: Legends of Rock (with guitar)--PS2--271,000
Legend of Zelda: Phantom Hourglass--DS--263,000
Wii Play with Wii Remote--Wii--240,000
The Orange Box--Xbox 360--238,000
Guitar Hero III: Legends of Rock--PS2--232,000
FIFA Soccer 08--PS2--130,000
Brain Age 2: More Training in Minutes a Day--DS--117,000

October 2007 hardware sales, according to NPD Group

Wii--519,000
Nintendo DS--458,000
Xbox 360--366,000
PSP--286,000
PS2--184,000
PS3--121,000