Unlock Retro Map Pack and Extra Unlock Points DLC
Go to http://edgeshave.com/default.aspx#!/ps3Give.. and register. Then select the Killzone 3 option and enter one of the following UPC codes.
Enter the code 841058005209
Enter the code 841058005261
Theres loads more info this game, right here, with some cheats and tips, answers and Killzone 3 walkthrough.
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