This page contains Armored Core 4 Unlockables for Playstation 3 called "Hard mode" and has been posted or updated on Apr 6, 2007 by LucyLee. Let us know what you think of this Unlockable by thumbs voting.
You have to finish a chapter to unlock the hard difficulty setting for any mission in that chapter. Press L1 or R1 to toggle between chapters and then press Square to switch between the normal and hard difficulty for any mission.
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