Step 1: Turn on Pack-A-Punch and end the round. Go to the operations house and activate the Rushmore AI.
Step 2: Purchase Galvaknuckles in the Bus at Cul-de-sac (6000 points).
Go into the bunker a find a tv with static (this changes each game) and kill a zombies with the Galvaknuckles in front of it.
Step 3: After killing the zombie, you will hear a recording of codes 3 codes in the format (letter, number, number, number, number). I would recommend having subtitles on for this step. The letter indicates which house you need to go to and the number is the time that you need to set on the clock in each hours. (Example: If one of the codes that you got was A0115, you must enter the Yellow House and place the time 1:15 on the clock within that house). Make sure to input the times correctly or you will fail and have to interact with the TV next round.
The letters can be found on the mailboxes, however I have provided the list below.
Letter to House List:
A - Yellow House
B - Green House
C - Prisoner Holding
D - Transfusion Facility
E - Operations
F - APD Interrogation
After setting all the clocks, find that house that was not included in the code. Interact with the clock and it will give you a time. The time is a code that you need to place into Rushmore. (Example: The time the clock gives you is 6:15. This means that you must input 0615 into Rushmore). After that, interact with Rushmore to complete the step.
Step 4: Rushmore will direct you to find a Red Nova6 crawler somewhere on the map. Find the crawler (Normally in the bunker) and escort it around the map until he goes to the Transfusion Facility and crawls outside of the map.
Step 5: Active Sergeant A.D.AM. in the sortage room and guide him to the bunker stairwell between Green House and Diner. Get him near the greed door and Marlton will open the door and give you a 115 canister. Return the 115 canister to a shelf in the Transfusion Facility. Once the canister is returned report to Operations and interact with Rushmore.
*If you don't know how to activate Sergeant A.D.A.M.*
Step 6: In Power House, get a jolting hack to electrocute the server core. This will allow the core to be removable and you can place it in the open slot in operations. This step is timed, so the best way to complete is place a telepad in powerhouse and another in prisoner holding. Having the katana specialist enabled also allows you to move faster.
Step 7: Around the map there are pictures with nova gas coming from behind. You need to guide a brain rot zombie near the pictures to knock them down. This can be achieved via the alternative ammo PaP or by using the CTRL Z Elixir. The locations for the pictures are Beds, Lounge, and the 2nd floor of the Green house. You will find three codes that will need to be entered into Rushmore.
Step 8: Power will go out. There are 6 switches around the map that need to be flipped in a specific order. If flipped in the correct order, all lights will turn green.
Diner - Up
Beds - Up
Generators - Up
Solitary - Down
Storage - Down
Lounge - Down
Once all lights are green, reactivate the main power switch and interact with Rushmore.
Step 9: Mannequins will rise out of the ground around the map. Find one that is glowing blue and interact with it. You will need to defend the area. Once completed, you will be able to pick up a mannequin piece. You will need to repeat this step 3 more times. Place all three parts on the broken mannequin in front of the APD.
Step 10: One you have reanimated Peter, Rushmore will tell you to find the Elemental Orb somewhere on the map. You will need to escort the orb around the map until in returns to the APD interrogation room.
Step 11: Activate the computers in APD Control Area to begin the Boss fignt.
Step 1: Kill mannequins around the APD Control area to fill up the empty soul canister. Once full, the door of the APD will open, revealing the Avogadro.
Step 2: Once the Nuke has landed, leave the APD Control area and find the backup soul canisters around the bunker. When you find a canister you must have every player in your game go in that area and have 1 person interact with the canister to allow it to be filled with souls. While you are attempting to fill the canisters the Avogadro will attack you. Once you have filled it with enough souls you will hear a quote and electricity will fill that room, blocking you access to it. There is a canister in the following areas:
Step 3: Once all 4 canisters have been filled head back to APD Control and shooting the Avogadro will make him move in the direction you are shooting. You must shoot him so that he gets in front of the APD door. Once he is in front he will be sucked into the APD. After all the audio quotes from the facility overseer the APD door will open and you are able to obtain the Elemental Shard. After you obtain the shard the cutscene will play and your game will end.