Killing the Kraken on Regular and Hardcore difficulty will net you Survived Mayday Achievement/Trophy and if you kill the Kraken while using a Relic, you will also unlock Upping the Ante ...
Call of Duty: Ghosts features an all-new game mode by the name of Extinction. Extinction can be considered as a spin-off of popular zombie survival mode from Call of Duty titles developed by Treyarch.
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