Halo 4: without bundle > 3m (Just USA)
http://www.vgchartz.com/game/51758/halo-4/USA/
http://www.vgchartz.com/article/250594/halo-franchise-reaches-50m-next-title-in-early-development/
According to NPD Halo 4 is undertracked (cause the 3.3 million didn't include bundles) but according to that article Halo 4 is overtracked.
This makes no sense!







