Killzone 3 continues the conflict between the ISA and the Helghast on the war-torn planet Helghan. Players follow Sev and Rico as they fight to survive behind enemy lines after the death of Visari. The game introduces jetpacks, brutal melee combat, and larger environments with vehicle sections. Its cinematic story focuses on the Helghast power struggle and the threat of their new superweapon. Featuring intense gunplay, co-op, and robust multiplayer, it became a showcase for PS3 visuals.