For every blind fanboy that keeps arguing "but cod is multiplat" or "cod is mega superior anyways for reasons i can't explain" here is some clear information that can be found by using one of this websites simple features.
Both games are FPS and both results are for Xbox 360 only. It has the same relative audience with this data. They are both FPS classed, even if the stories differ. As is expected, the exclusive with a strong cult like following has a huge first week spike. For the remainder of the release time comparison, both games have similar sales numbers. If anything, the 360 version of COD could have lower sales due the multiplat status. There are some PC/PS3/360 owners who bought halo 3 and bought COD4 for ps3 or PC due to their own preferences. So stop playing this multiplat argument to death, it is getting old.
