This is a achivement guide for advanced warfare, Which is the exo zombies easter egg.

Easter Egg Can Be Done On Solo!

Step One: Find the black box that is to the left of the downed warbird in the corner of the starting area.

Step Two: Acquire Exo suit and bring the black box to the Morgue area computers that are closest to the power generator in the morgue.

Step Three: Acquire the key cards for the four characters.
- Decker (Jon Berthnal): His key card is located in the incinerator room. To get there open the trash chute and let the gas escape than open it again and go down the chute. The trash chutes are located in the exo room and the administration area close to the exo medic upgrade. Once in the incinerator room one wall will begin to push closed. face that wall and on the left side or the right side of the ditch that is in the middle of the room shoot the floor and do not stop. It does take some luck but you will get the key card that way. I was holding X while reloading and found it very quickly. It is difficult to see the card down there
- Lilith (Rose McGowan): Her key card is acquired by getting the EM1 gun from the 3D Printer than using the 3D Printer again and shooting the printer with the EM1 and her kay card will be in the printer.
- Oz (John Malkovich): His key card is in the room right before Exo Health upgrade with the two cells above the rest. There is a shaft under the cell on the left that needs to be shot until it disappears. Once the shaft is gone go on top of the cell on the right and exo slam the cell where the shaft was underneath. Another cell will come up and his key card is on the floor of that cell next to the door.
- Mr. Kahn (Bill Paxton): His key card is acquired by hit by an infected zombie and becoming infected. Before getting out of infected mode there are 4 thumb pads that need to be pressed. All four are in the xo medic area on the walls. One is on the right as you enter the area from outside next to the glass window. The second is on the left just after the decontamination area next to some doors on a red wall. The third is on the back wall with the trash chute near a window. And the final is on a ledge above the MP11 gun at the back of the area. You will need an exo suit to boost up to get it. Once all four are pressed go to the glass window and one of the small slots will have opened and his key card can be found in there

Step Four: Acquire 49 key card upgrades. These are shown as numbers on your badge in the bottom left corner of the screen near your characters face. Zombies will randomly drop them when you kill them. Not sure if you pick them up automatically when you kill them or if you need to run over them. You don't need to press X on them to pick them up. I believe it is simply run over them.

Step Five: Once you have 49 key card upgrades go back to the computer in the morgue area and activate it.

Step Six: Find your characters unique finger print reader. There are only four on the map. There is one at the back of the Holding area to the left of exo health. Another is between the Morgue area and the exo area upstairs. The Third is in the administration area in the left back hallway next to the door to the morgue. The last one is in the exo area in the stairway closest to the test subject people in tubes.

Step Seven: Go back to the computer in the morgue and activate it again.

Step Eight: Go to the exo area where you got your exo suit and use your key card on the corner of the exo suit machine by pressing X. Than go outside to get the achievement. It does not pop until you are outside for a few minutes but you will hear a warbird coming and soon see it arriving.