Killzone 3 is the fourth installment in the Killzone series, which is set in a galactic war between the Inter Strategic Alliance (ISA) and the Helghast. The previous installment, Killzone 2, was marketed as yet another “Halo killer,” but failed live up to such expectations. But with Killzone 3, Guerrilla Games has finally made Killzone 3 into a league of its own.
