Getting Started

To initiate the main Easter egg in Classified, you’ll need to complete the following steps:

Turn on the power.
Find the fuse.
Place the fuse in the fuse box.
Repair the elevator.
Ride the elevator to the Facility.
Examine the panel in the Facility.

Phase One: The Numbers

Head to the War Room and interact with the computer.
Remember the numbers displayed on the screen.

Phase Two: The Fuses

Locate the four fuses hidden around the map.
Fuse 1: In the Cafeteria, behind the counter.
Fuse 2: In the Generator Room, on the toolbox.
Fuse 3: In the Weapon Testing area, on a desk.
Fuse 4: In the Storage Room, on a shelf.

Phase Three: The Fuse Box

Once you have all four fuses, go to the Charging Room.
Insert the fuses into the fuse box.
Turn the dial until the lights turn green.

Phase Four: The Elevator

Return to the Cafeteria and interact with the elevator.
Push the buttons in the following order:

4 8 16 15 13 1 3 2 7

The elevator will take you to the Facility.

Phase Five: The Panel

In the Facility, approach the glowing panel.
Enter the numbers you memorized in Phase One.

Phase Six: The Control Room

After entering the numbers, head to the Control Room.
Activate the first switch to lock the doors.
Activate the second switch to start the countdown.

Phase Seven: The Pendulum

Leave the Control Room and head to the Pendulum Room.
Shoot the six pendulums with a Tesla Gun.
Use the panel to stop the pendulum in the "Open" position.

Phase Eight: The Keycard

Go to the Training Room and look through the window.
Remember the color sequence displayed on the keycard.
Enter the code on the keypad in the Control Room.

Phase Nine: The Activation

Return to the Control Room and activate the final switch.
Defend the objective from waves of zombies.
Pick up the keycard from the downed Nova-6 crawler.

Phase Ten: The Escape

Go to the Cafeteria and insert the keycard into the escape pod.
Escape the Facility.

Frequently Asked Questions (FAQ)

Q: How do I get the Tesla Gun?

A: The Tesla Gun can be obtained from the Mystery Box or by completing the side Easter egg in the Generator Room.

Q: What are the rewards for completing the Easter egg?

A: Completing the Easter egg rewards you with the "Classified" calling card, the "Nova-6 Crawler" character, and the "Tesla Gun" wonder weapon.

Q: Can I complete the Easter egg solo?

A: Yes, you can complete the Easter egg solo, but it is recommended to have a team of four players for optimal efficiency.

References

Call of Duty: Black Ops 4 Classified Easter Egg Guide

Firebase Z Easter Egg Guide

Objective: Activate the teleporters on Firebase Z and defeat the boss to obtain the Krasny Soldat blueprint.

Steps:

Collect Aetherium Crystals: Obtain 3 Aetherium Crystals by activating switches on the map.
Power Up the Aether Element: Place the Crystals in the Aether Voltameter on the roof of the Main Control Building.
Collect Intelligence: Interact with three Laptop Terminals to gather intel and learn the teleporter locations.
Activate Teleporters: Activate two teleporters using the acquired intel. The third teleporter requires a Canister.
Obtain Canister: Find the Aether Canister near the Ray Gun easter egg area and deliver it to the third teleporter.
Assemble the Bomb: Collect three components of the Aetherium Bomb from chests that spawn after activating the teleporters.
Run through the Gauntlet: Confront enemies in a Gauntlet and activate a button at the end.
Defeat Orda: Summon and defeat the Orda boss to obtain the Krasny Soldat blueprint.

Call of Duty: Black Ops Cold War "Die Maschine" Easter Egg Guide

Step 1: Obtain the Quantum Entry Device

Eliminate the Krasny Soldat mini-boss and collect the Quantum Entry Device.

Step 2: Activate the Altar of Confounding

Insert the Quantum Entry Device into the altar in the Medical Bay.
Charge the Altar by standing on the four plates around it.

Step 3: Defeat the Panzersoldat

Activate the nearby control panel to summon the Panzersoldat.
Defeat it to obtain the Elemental Crystals.

Step 4: Place the Anomaly Crystal

Access the Control Room and place the Anomaly Crystal in the anomaly.

Step 5: Activate the Anomaly

Interact with the anomaly to activate it.

Step 6: Charge the Artifact

Collect the Soul Jars by killing zombies.
Insert the Soul Jars into the Artifact in the Woods.

Step 7: Defeat the Orda

Interact with the Artifact again to summon the Orda.
Defeat the Orda to open the portal.

Step 8: Eliminate the Shadowman

Step through the portal and eliminate the Shadowman.
Collect the dimensional keycard.

Step 9: Unlock the Dark Aether

Insert the keycard into the Dark Aether orb in the Woods.
Step through the portal to complete the Easter egg.

Call of Duty: Black Ops Cold War Map "Firebase Z" Intel Guide

The Lost Tapes

Recording 1: Found near the tank in the Omega Outpost. Contains a conversation between Ravenov and Weaver about the Omega Group’s experiments.
Recording 2: Located in the Weapons Lab. Reveals Dr. Vogel’s plan to use the "Cipher" on patients.
Recording 3: Found in the Command Center. Details the Omega Group’s plan to attack the Pentagon with a horde of zombies.

Project Endstation

Objectives: Distributed throughout Firebase Z. Provide insights into the Omega Group’s motives and experiments.
Intel 1: Examines the effects of the "Mimic" device on zombies.
Intel 2: Reveals the Omega Group’s intention to create a "Zombie Army."
Intel 3: Documents the development of the "Tempest" shield.

Agent Intel

Ravenov’s Briefing: Found in a bunker near the Omega Outpost. Contains Ravenov’s personal notes on Firebase Z.
Weaver’s Orders: Located in the Command Center. Provides Weaver’s instructions for the mission.
Garcia’s Transmission: Found in the War Room. Indicates Garcia’s intentions to support the team.

Cipher

Cipher 1: Obtained by interacting with the computer in the Weapons Lab.
Cipher 2: Found on a table in the Command Center.
Cipher 3: Discovered in the bunker near the Omega Outpost.
Complete Cipher: Assembles all three fragments and reveals the Omega Group’s ultimate goal.

Call of Duty: Black Ops Cold War Map "Die Maschine" Intel Guide

Dark Aether Intel

Red Room Communication: (Radio Room) Find the red phone and eavesdrop.
Wrath’s Embrace: (Outside Power Room) Interact with the amplifier.
Torn Page: (Weapons Lab) Find the torn page on a desk.
Torn Page: (Speed Cola Room) Find the torn page on a crate.
Torn Page: (Mission Control Room) Find the torn page on a desk.
Torn Page: (Heated Wallbuy Room) Find the torn page on a crate.
Torn Page: (Electrical Supply Room) Find the torn page on a shelf.
Torn Page: (Medical Bay) Find the torn page on a bed.
Torn Page: (Armor Room) Find the torn page on a crate.
Torn Page: (Nuketown Sign) Find the torn page on a sign.
Transmission: (Generator Room) Interact with the radio terminal.
Confiscated Documents: (Generator Room) Find the documents on a table.
Ethereal Rift: (Tank Station) Find the rift and interact with it.

See also Call of Duty: Modern Warfare

Radio Transmissions

Transmission 1: (Generator Room) Interact with the radio terminal.
Transmission 2: (Tank Station) Interact with the radio near the tank.
Transmission 3: (Heated Wallbuy Room) Interact with the radio on the wall.
Transmission 4: (Medical Bay) Interact with the radio on the table.
Transmission 5: (Armor Room) Interact with the radio on the desk.
Transmission 6: (Mission Control Room) Interact with the radio on the console.
Transmission 7: (Weapons Lab) Interact with the radio on the table.