Call of Duty: Black Ops 7 - Astra Malorum Easter Egg Walkthrough (Zombies) (2026)

Stranded in Space: Unraveling the Astra Malorum Mystery

Imagine being trapped on an abandoned observatory, silently drifting within Saturn's orbit, with nothing but waves of zombies and ancient secrets to keep you company. Sounds like a nightmare, right? But that's exactly the scenario the Zombies crew finds themselves in as they desperately search for another Shadowsmith. And this is where it gets really intense: to survive, they must not only fend off the undead but also piece together the hidden secrets within Astra Malorum before confronting the dark presence lurking within its ancient monument.

This Call of Duty: Black Ops 7 Zombies guide is your ultimate companion to navigating the Astra Malorum main quest and its elusive Easter Egg. But here's the catch: it's not just about surviving; it's about mastering every step, from restoring power to the Harmonic Oculus to obtaining the legendary LGM-1 Wonder Weapon. And this is the part most people miss: the intricate details that make this Easter Egg both challenging and rewarding.

Astra Malorum Zombies Easter Egg Walkthrough

Whether you're a seasoned player or a beginner, this guide breaks down each step with clarity and precision. Here's the deal: we'll walk you through restoring power, unlocking the Pack-a-Punch machine, and collecting the necessary items for the LGM-1 Wonder Weapon. But wait, there's more: we'll also delve into solving Thurston's planet code, surviving lockdowns, and aligning the planets in Machina Astralis.

Step 1: Restore Power and Unlock the Pack-a-Punch Machine

To kick things off, you'll need to restore power to the Harmonic Oculus and unlock the Pack-a-Punch machine. Pro tip: turn on subtitles to catch spoken planet names crucial for later steps. Head northwest, open the gate to The Luminarium, and keep an eye out for purple glowing crystals—shooting them can yield Salvage or Equipment. Inside, you'll find a Harmonic Component beside a dead Zombie. Once you have it, proceed to the Abyssal Rim and the Observatory Dome. Interact with the Harmonic Oculus to turn on the power, then repair it by finding two more components in The Luminarium and Machina Astralis. Controversial opinion: some players find this step tedious, but it's essential for setting the stage for what's to come.

Step 2: Obtain the LGM-1 Wonder Weapon

Bold claim: the LGM-1 Wonder Weapon is a game-changer, but obtaining it is no walk in the park. You'll need to collect four unique items: a Damaged Drone, Car Battery, Absolute Zero Fragments, and Aberrant Wiring. Here's the twist: you'll have to face O.S.C.A.R., a mini-boss, multiple times to complete this step. Lure him into traps in the Observatory Dome, The Luminarium, and Museum Infinitum, and destroy him in each location. Thought-provoking question: is this step overly complex, or does it add depth to the gameplay?

Step 3: Solve Thurston's Planet Code

And this is where it gets cerebral: follow O.S.C.A.R. to listen to Dr. Thurston's recordings, noting down three planet names and their order. Each planet corresponds to a number based on its distance from the sun. Input the correct code into the device near the southern door in the Observatory Dome to receive the Cryo Chamber Key. Fun fact: this step combines astronomy with puzzle-solving, making it both educational and engaging.

Step 4: Obtain Thurston's Brain and Survive the Lockdown

Here's the gruesome part: you'll need to obtain a Rock Saw to open Thurston's skull and extract his brain. Place it in the Perfusion Machine in The Luminarium and survive a 60-second lockdown. Pro tip: use Decoy Grenades and Cymbal Monkeys to manage the horde. Controversial interpretation: is this step too macabre, or does it add a layer of dark humor to the game?

Step 5: Power Up the Machine in Machina Astralis

After the lockdown, transport the Perfusion Machine to Machina Astralis and connect it to the central device. Important note: carrying the machine slows you down, so teamwork is crucial. Thought-provoking question: does this step emphasize the importance of cooperation, or does it feel like a chore?

Step 6: Solve the Book and Statue Puzzle

And this is where it gets really puzzling: note down five book names from Dr. Thurston's Reading List and head to the Archive of Orbis. Count how many books appear on each wall and turn the corresponding statue busts. Pro tip: use our checklist to keep track of the books. Once solved, interact with the blue planet in the secret room. Controversial opinion: some players find this step overly complex, but it rewards attention to detail.

Final Thoughts

The Astra Malorum Easter Egg is a testament to the depth and complexity of Call of Duty: Black Ops 7 Zombies. Bold statement: it's not just a game; it's an experience that challenges your problem-solving skills, teamwork, and patience. Thought-provoking question: does the complexity of this Easter Egg enhance the gameplay, or does it alienate casual players? Share your thoughts in the comments—we'd love to hear your take!

Call of Duty: Black Ops 7 - Astra Malorum Easter Egg Walkthrough (Zombies) (2026)
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