Unlock Bonus Features
Complete the following tasks to enable the corresponding effect.
Unlock Hard & Very Hard Mode:
Complete The House of the Dead 4 SP story in Free Play mode on any difficulty setting.
Unlock Extra Content (Behind the Scenes Featurette):
Complete The House of the Dead 4 story in Free Play mode on any difficulty setting.
Unlock House of the Dead 4 Special:
Complete The House of the Dead 4 story in Free Play mode on any difficulty setting.
Head back to our The House of the Dead 4 cheats page for a load more cheats and tips for The House of the Dead 4.
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