What the **** is a ?HALO KILLER??

[Fernando]

A Halo killer used to be Killzone 1, but didn't work...

Then Resistance 1, then Haze... then Resistance 2 becamse a Gears of War 2 killer, but it didn't work...

And now is Killzone 2 (and again, it will not sell or be reviewed as Halo series)