The fourth and the final Call of Duty Ghosts' DLC Nemesis the other being Onslaught, Devastation, and Invasion.
Nemesis has four multiplayer maps Subzero, Showtime, Dynasty and Goldrush and Exodus the final episode in Extinction.
"Following the CIF Unit’s harrowing escape from the alien underworld and the successful recovery of Dr. Cross and the cortex, the team has flown in to fight off the Cryptid army’s siege of the last bastion of human resistance. Your mission is to get key personnel to safety by restoring power to the shuttle and launching the shuttle to a low earth orbit space station."