This page contains Zombie Apocalypse Unlockables for Xbox 360 called "7 Days of Hell mode" and has been posted or updated on Sep 29, 2009 by Paineekes.
- Developer: Nihilistic
- Publisher: Konami
- Genre: Action Shooter
- Release: Sep 23, 2009
- ESRB: Mature
7 Days of Hell mode
To unlock this intense mode, complete Day 55. This mode will then be selectable in the main menu.
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