Killzone 3 (Game) - Giant Bomb

Killzone 3 continues the story of the invasion of the planet Helghan by the oppressive forces of the merciless Interplanetary Strategic Alliance. The game also features an improved multiplayer progression system and refined classes.

Killzone 3: Overkill? - CNET

Killzone: Liberation, Killzone: Mercenary, killzone Liberation

Killzone 3 (Game) - Giant Bomb

Killzone 3 (Game) - Giant Bomb

Killzone 3 (Game) - Giant Bomb

Killzone Games - Giant Bomb

Killzone 3 (photos) - CNET

Killzone 3 (Video Game 2011) - IMDb

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A third serving of Uncharted territory - CNET

Killzone 3 - Wikipedia