Black Ops 6 Zombies: Complete Reckoning Easter Egg Guide & Step-by-Step Walkthrough

The Terminus facility trembles as Black Ops 6 Zombies unleashes its most complex Easter egg yet. “The Reckoning” has arrived—a multi-layered odyssey involving particle accelerators, mutated bioweapons, and cryptic puzzles that demand teamwork and precision. Unlike previous Zombies quests, this narrative-driven mission evolves dynamically across the map through NPC events and shifting objectives. Based on verified community progress tracked by Dexerto (August 2025) and Activision’s in-game clues, we break down every confirmed step to conquer this challenge.

How to Start the Reckoning Easter Egg in Black Ops 6?

Activating Pack-a-Punch is your critical first move. Head to the Executive Office, unlock the elevator, and descend to Sublevel 10. Power up the Particle Accelerator, then destroy all twelve Aetherium shards nearby. This triggers Pack-a-Punch’s arrival. Next, secure the Gorgofex weapon:

1. In the T1 Mutant Research Lab, inspect monitors near the periodic chart and Mangler. Note the capitalized letters hinting at a chemical element.
2. Cross-reference the element with its atomic number using the lab’s periodic table. Pad 2-digit numbers with a leading zero (e.g., “12” becomes “012”).
3. Enter the code into the keypad at the Mutant Research Test Area to unlock the Bioweapons Lab.
4. Charge the cyst inside with Vermin kills, energize it with yellow spores in the Quantum Computing Core, then deliver it to Dark Entity Containment.
5. Trigger a power surge, activate all four terminals, and defeat the spawned Uber Klaus by destroying its shoulder pads and luring it to a panel.

What Are the Key Puzzles and Main Story Steps?

Initiate the primary narrative in the T1 Mutant Research Lab:

1. Collect the Syringe from the centrifuge.
2. At Sublevel 10, jump into the Particle Accelerator beam to free a floating zombie. Harvest its Blood.
3. Return the Syringe to the centrifuge, defeat the spawned Fowler Mangler, and obtain the Mutant Injection.
4. Scan the injection near Dark Entity Containment to unlock new zones.

Simultaneously, tackle the Franken Klaus side puzzle:

• Collect arms from Kommando Klaus units.
• Scavenge legs in T2 Android Assembly (check shelves, scrap piles, and behind mirrors).
• Attach limbs to the hanging Klaus body. Lure Uber Klaus to electrocute it.
• Follow Franken Klaus as it hacks terminals, then retrieve the purple brain from the Quantum Computing Core using a Melee Macchiato.

Must Know

Where are Maxis’ personal items located?
Six folders spawn randomly per match across Terminus. Key locations include:

• Executive Suite: Katana (desk), Wristwatch (table), BND Badge (coffee table)
• Director’s Office: Combat Goggles (lamp area), Scarf (desk), Notso’s Collar (coffee table)
• Teleportation Lab: BND Badge or Notso’s Collar (desks)

How to solve the folder code puzzle?
Each item has a number. Sort them by folder dates in reverse chronological order to form a 4-digit code. Input this in the T2 Teleportation Lab PC.

Is the Easter egg complete?
No. Community investigators like YouTuber ‘MrRoflWaffles’ confirm steps remain undiscovered. Updates will follow as breakthroughs occur (Source: Dexerto, August 2025).

What’s the hardest step?
The Gorgofex sequence demands precision. Uber Klaus’ electric attacks can wipe teams instantly—use cover and decoys strategically.

Can I do this solo?
Possible but extremely difficult. The power surge step requires rapid terminal activation across large areas.

Will progress reset if I exfil?
Yes. All Easter egg objectives reset per match.

Unraveling the Reckoning Easter egg is a testament to teamwork and adaptability. With Pack-a-Punch activated, the Gorgofex secured, and Maxis’ secrets partially decoded, your squad now stands at the threshold of Terminus’ deepest mysteries. As the community races to solve the remaining puzzles, this guide will evolve. Ready your loadouts, communicate relentlessly, and report your discoveries—every zombie slain brings us closer to the truth.