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 (2011) - MobyGames

Quick Look: Killzone 2 - Pt 1

Killzone 3: Overkill? - CNET

Killzone Games - Giant Bomb

Killzone 3 (Video Game 2011) - IMDb

Killzone 3 (Game) - Giant Bomb

Killzone 3 (Game) - Giant Bomb

Killzone 3 officially announced for PS3 - Gematsu

Killzone 2 Review - Giant Bomb

Typing of The Dead: Overkill: Giant Bomb Quick Look