Classic Game Room HD reviews the original KILLZONE for PS2. Killzone was released for the Playstation 2 in 2004. Developed by Guerilla, Killzone was meant to be the leading first person shooter on the PS2 with an awesome storyline and multiplayer online gameplay. This CGRHD review of Killzone 1 has gameplay footage from the PS2 video game KILLZONE. This FPS allows you to play as 4 different characters, Templar, Luger, Rico and Hakha. Play as the ISA forces fighting for Vekra against the Helghast.