What could GG do to Killzone to take it to the next level (sales and reception)?

[Arkaign]

Reboot into Helghast mode. I'm sure there's something cool to be worked from there.

Btw, the design always made me think of Jin-Roh.

Super violent AMV warning : https://www.youtube.com/watch?v=hn1Peg1kJFg