Army of Two (360) - Mar 08 - 606k (33 days of sales)
Killzone 2 (PS3) - Feb / Mar 09 - 619k (37 days of sales)
HALO WARS* (360) 639K
[PS3] Killzone 2: 619.000 (With head start in late Feb)
You know shit is getting bad when a training wheel RTS outsells your flagship FPS best game of all time second coming of Christ savior of the generation game.