Halo Wars Beats KZ2 According To NPD.

[MetalGearSolid_4ever]

Halo wars - MARCH - 639k = 639k
Killzone 2 - 2 days of February and March - 323k + 296k = 619k

So Halo Wars outsold Killzone 2 by 20k. Wow, thats a LOT.
However KZ2 outsold Halo Wars WORLDWIDE which is what matters.