Why are people saying Killzone 2 had NO competition when in launches 2/09?

[markers]

Stats87 said:
Shouldn't this list only include PS3 games?

I really don't see how Halo Wars will take much sales away from Killzone 2.

 

ps360 owner has $65 bucks. he is between kz2 and halo wars. thats why every system and every game can take sales away.