The first PSP entry in the Killzone franchise. Killzone: Liberation is an intense and stealth-oriented action game played out in a top-down perspective. The story follows the conclusion of events in the first Killzone, with the battle against the Helghast still raging on. In Southern Vekta, the rules of war have been cast aside with the Helghast General, Metrac, employing brutal measures in order to seize the initiative. Returning as Jan Templar, your mission is to undertake a covert operation to save hostages captured by Metrac, whilst ISA troops continue the fight for liberty...