This page contains Call Of Duty: Ghosts Unlockables for Xbox One called "Extinction mode" and has been posted or updated on Nov 7, 2013 by kompol22. Let us know what you think of this Unlockable by thumbs voting.
Start the single player Campaign mode under the Regular or higher difficulty level. Complete the "Ghost Stories", "Brave New World", "No Man's Land", and "Struck Down" missions to unlock the "Extinction Mode" choice at the main menu. You can also unlock Extinction mode when you start Multiplayer Career mode and reach level 5.
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