By:  Eddie Makuch Killzone 4 is in development at Guerrilla Games and will launch in 2013 on the PlayStation 4, an unnamed industry source has told Videogamer. The game could be revealed as early as later this month during Sony’s PlayStation Meeting event in New York City, where the PS4 itself is rumored to be revealed. The latest Killzone title was Killzone: Mercenary, which shipped in September for the … Continue reading Killzone 4 on PS4 in 2013?