Cryptids

Aliens are the main enemy of the Extinction game mode in "Call of Duty: Ghosts". They were unearthed after the events of Ghost Stories.

Origin
The aliens were claimed to have been unearthed after the events of Ghost Stories due to the multiple attacks from ODIN.

Known Types of Aliens
There are several unique types of aliens introduced or to be introduced into Extinction.

They are:
 * Scout
 * Hunter
 * Scorpion
 * Seeker
 * Rhino
 * Leper
 * Phantom
 * Breeder