KILLZONE First person shooter exclusively for PlayStation 2 Developed by Gurrrilla games BV Released by SONY for PlayStation2 on November 2, 2004 KILLZONE LIBERATION The sequel to the PlayStation2 video game Killzone Developed by Guerrilla Games BV Released by SONY for PSP on October 31, 2006 SHELLSHOCK-NAM’67 A third-person combat game for PlayStation2, Xbox and PC platforms Developed by Gurrrilla games BV Released by Eidos on September 10, 2004
© Eidos, 2004. Developed by Guerrilla BV. ShellShock, ShellShock: Nam '67, Eidos and the Eidos logo are trademarks of Eidos. Guerrilla and the Guerrilla logo are trademarks of Guerrilla BV. All Rights Reserved.
Killzone™ & Killzone™: Liberation ©2006 Sony Computer Entertainment Europe.
 All rights reserved
Developed by Guerrilla. Killzone is a trademark of Sony Computer Entertainment Europe.