Killzone - Liberation ROM Download can be obtained free for Playstation Portable on EmuGames.net only. Play emulator game in English for the USA region. Killzone Liberation is a PSP ROM that you can download to your computer or play online within your browser. You can also download roms such as Liberation Captive II _Disk4 and Liberation Captive II _Disk5 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.