Download Killzone 2 Full version. Ngedownload Games about Download Killzone 2 Full version for pc. Killzone 2 is a science fiction first-person shooter for the PlayStation 3, the game with action and great adventure, developed by Guerrilla Games and published by Sony Computer Entertainment Europe. Killzone 2 follows the events of Killzone and Killzone: Liberation, and entirely takes place on the planet Helghan, the home-world of the Helghast, who invaded an Interplanetary Strategic Alliance (ISA) colony. the ISA is taking the fight to the enemy's home world of Helghan, two years after the Helghast assault on Vekta.