There is a hole on top of the spine of the case. Developed by Guerrilla Games, a wholly owned subsidiary of Sony Computer Entertainment Europe, Killzone 3 is the latest title in the Killzone franchise, bringing the most robust first-person shooter experience exclusively for the PlayStation 3 system. Following on the heels of the highly acclaimed Killzone 2, players will once again face the hostile Helghast army, battling overwhelming odds in the fight for human survival. Killzone 3 delivers the definitive cinematic sci-fi war experience with an immersive single-player campaign as well as full featured multiplayer action in the war against the Helghast.