: Upgrade your weapon’s rarity (Common to Legendary) at the Armor Station using Salvage to significantly increase damage output.

: Essential for survival; costs 5,000 for Tier 1, 15,000 for Tier 2, and 30,000 for Tier 3.

: Complete the "Coffin Dance" Easter Egg in Die Maschine by shooting five glowing orbs in the Particle Accelerator room; it rewards a free Juggernog perk and a high-rarity weapon.

: Go prone in front of Perk Machines to collect a small "loose change" point bonus.

: Earned by completing rounds (e.g., Round 10, 15, 20) or exfilling. Use them to permanently upgrade Skills , Perks , and Field Upgrades .

Black Ops Cold War Zombies features deep progression systems like , Field Upgrades , and Weapon Tiers that you can master to survive high rounds. Essential Progression & Upgrades

: Run in large circular patterns to group zombies into a tight pack before turning to fire.

: On Die Maschine, the spawn area is a popular training spot due to its wide-open space.