Vekta's orbital Strategic Defense (S.D.) platforms failed during the initial assault, allowing the Helghast to land swarms of soldiers onto the surface and making it all the more difficult for the outnumbered ISA forces. The Helghast Empire has recovered from its defeat in the First Extrasolar War and launched a blitzkrieg against the outer Interplanetary Strategic Alliance (ISA) colony planet Vekta. It offered the ability to play the game in four different ways. It is the first game in the Killzone franchise. Main article: KillzoneKillzone is a squad-based first-person shooter for the PlayStation 2 system.

The latest in the series, Killzone Shadow Fall, was released on November 2013 as a launch title for the PlayStation 4. Killzone: Mercenary was released for the PlayStation Vita in 2013. Killzone 2 was released for the PlayStation 3 in February 2009, and Killzone 3 was released in February 2011 also for the PlayStation 3. The series began on the PlayStation 2 in November 2004 with Killzone, and continued on the PlayStation Portable in October 2006 with Killzone: Liberation. Killlzone currently consists of six games spanning over the PlayStation 2, PlayStation Portable, PlayStation 3, PlayStation Vita, and PlayStation 4. The main series and the PSP installment was developed by Guerilla Games, a subsidiary of SCE. Killzone is a first-person and third-person shooter series of video games exclusively for Sony Computer Entertainment's (SCE) video game consoles.

Download killzone shadow fall ps4 pro