In an era of planetary colonization, the Helghast await orders to initiate a massive blitzkrieg on the outlying ISA colony, Vekta. Initiative will be obtained, armies will engage and lives will be lost. Amidst the chaos, a squad of soldiers will become heroes.Killzone 2Throughout the campaign, players will encounter lifelike and adaptable artificial intelligence (A.I.) from enemies as well as fellow soldiers, destructible environments, and stunningly detailed scenery. Additionally, players will be tasked with utilizing a host of new weapons and vehicles in the war to stop the Helghast. Featuring an extensive single-player campaign and thrilling multi-player mode, Killzone 2 delivers a host of new gameplay elements and an intense storyline that will once again drive gamers to join the ranks of the ISA and fight the Helghastthis time on the enemys home planet.Killzone 3Visari is gone, but the war is far from over. Helghast forces have mounted a devastating counter-attack, prompting the ISA evacuation of planet Helghan. As new Helghast battalions appear, armed with more powerful weapons, ISA forces find themselves outmanned, outgunned and surrounded.