Rumor: Killzone 4 in “early concept development”
Videogamingeverything says, "When we broke the news about the MGS HD bundle being released before any other sites, it caused a slight uproar.
Well, here's for another.
One of our sources has confirmed that Guerrilla Games has just started work, mainly concept ideas, for Killzone 4 but the game won't be officially announced until E3 next year, when Sony will possibly reveal details about its PlayStation 4 console."
