Operation Absolute Zero

Operation Absolute Zero was the second Operation within Call of Duty: Black Ops 4.
It started on December 11th, 2018 on PlayStation 4, and started on December 18th on Xbox One and PC. It ended on February 19th, 2019 on PlayStation 4 and February 26th on Xbox One and PC, where it was followed with Operation Grand Heist.
==Overview==
===Multiplayer===
====Maps====
Elevation MenuScreen BO4.jpg|Elevation
Madagascar MenuScreen BO4.jpg|Madagascar
====Gametypes====
*Half off Heist
*Arms Race Team Deathmatch
*Blackjack's Gun Game
===Weapons===
*Daemon 3XB
*SWAT RFT
*KAP 45
*Secret Santa
*Slay Bell
===Specialists===
*Zero
===Blackout===
*All base Specialists were unlocked for all players with their character mission now awarding "The Numbers" outfit.
*A new Zombies spawn was introduced around the Farm of the Core Map. 
*A Holiday Event was available for Blackout during Absolute Zero with, snowballs which could be used as weapons, festive decorations, holiday themed Supply Stashes as well as zombies wearing holiday hats.
*New Camouflage progression system.
====Characters====
*Classic Reaper
*Ultimis Richtofen
*Ultimis Takeo
*Ultimis Nikolai
*Ultimis Dempsey
====Gametypes====
*Ambush
*Close Quarters Frenzy
*Down But Not Out
====Vehicles====
*ARAV
====Locations====
*Hijacked
Blackout Map OperationAbsoluteZero BO4.jpg|The Blackout Core Map during Operation Absolute Zero
===Zombies===
*Daily Callings were introduced in Zombies mode during the Operation.
**Daily Callings are challenges that refresh each day.
*Daily Tier Skips were also introduced in Zombies during Absolute Zero allowing players to gain a new tier each day after completing 15 rounds.
*The MP40, Grav as well as the weapons introduced during Absolute Zero, Daemon 3XB, SWAT RFT and KAP 45 became available in the Mystery Box on every maps and in the Armory.
*Mastery Camos (Gold, Diamond, Dark Matter) became available in Zombies.
====Maps====
Dead of the Night BO4.jpg|Dead of the Night
====Gauntlets====
A new game mode was introduced in Zombies, Gauntlet and was available on two maps:
*Voyage of Despair with "Unsinkable"
*IX with "Veni, Vidi, Zombies".
====Elixirs====
*Perk Up
*Refresh Mint
*Conflagration Liquidation
==Contraband==
Unlike the previous Contraband, Operation First Strike, Absolute Zero only went up to 100 uniquely defined tiers. After reaching Tier 100, players would enter Black Operations and continue earning Reserves.
The tiers were as follows:
Tier 	Name
Tier 1 	"Zero"Specialist
Tier 2 	"Steve"Legendary Reticle
Tier 3 	"Facepalm"Rare Shared Warpaint
Tier 4 	"Killabyte"Rare Weapon Camo
Tier 5 	"Aurora"Legendary Ruin Specialist Outfit
Tier 6 	"Plugged In"Common Sticker
Tier 7 	"Cyborg Showdown"Rare Calling Card
Tier 8 	"Fractured Moon"Common Tag
Tier 9 	"Ominous Entrance"Rare Calling Card
Tier 10	"Dancing Shoes"Rare Gesture
Tier 11	"Tenta-skull"Common Sticker
Tier 12	"Red Dwarf"Common Tag
Tier 13	"Laser Lasso"Rare Calling Card
Tier 14	"Steel Eagle"Common Sticker
Tier 15	"Scorpion Queen"Epic Zero Specialist Outfit
Tier 16	"Brick and Plasma"Common Tag
Tier 17	"Cyber Knight"Common Sticker
Tier 18	"Moon Mesas"Rare Calling Card
Tier 19	"Orbital Rift"Common Tag
Tier 20	"Plasma Drive"Epic KN-57 Reactive Camo
Tier 21	"Droid Posse"Rare Calling Card
Tier 22	"Ruby Visor"Common Sticker
Tier 23	"Neon Space"Common Tag
Tier 24	"Searching"Rare Calling Card
Tier 25	"Secret Santa"Ultra Melee Weapon
Tier 26	"Dragon"Common Sticker
Tier 27	"Dry Seaside"Rare Calling Card
Tier 28	"Rock"Legendary Gesture
Tier 29	"Paper"Legendary Gesture
Tier 30	"Scissors"Legendary Gesture
Tier 31	"Monster Truck Jump"Common Tag
Tier 32	"Slayer"Common Sticker
Tier 33	"Wasteland Rescue"Rare Calling Card
Tier 34	"Dirtbike Jump"Common Tag
Tier 35	"ASP"Legendary Prophet Specialist Outfit
Tier 36	"Prestigious"Common Sticker
Tier 37	"Armored Jump"Common Tag
Tier 38	"Road Trip"Rare Calling Card
Tier 39	"Hellfire"Common Sticker
Tier 40	"Whitewash"Rare Zero Specialist Outfit
Tier 41	"ATV Jump"Common Tag
Tier 42	"Flights Grounded"Rare Calling Card
Tier 43	"Breath of Death"Common Sticker
Tier 44	"Tank Jump"Common Tag
Tier 45	"Ultimis Nikolai"Ultra Blackout Character
Tier 46	"Scraping By"Rare Calling Card
Tier 47	"Shadowboxing"Rare Gesture
Tier 48	"Shogun"Epic Recon Specialist Outfit
Tier 49	"Rest Stop"Rare Calling Card
Tier 50	"Daemon 3XB"Ultra Weapon
Tier 	Name
Tier 51 	"Urbania"Rare Crash Specialist Outfit
Tier 52 	"DJ"Legendary Reticle
Tier 53 	"Twins"Common Sticker
Tier 54 	"Death-Defying"Rare Calling Card
Tier 55 	"Lachesis"Legendary Nomad Specialist Outfit
Tier 56 	"Hexabear"Common Tag
Tier 57 	"Sibling Rivalry"Rare Calling Card
Tier 58 	"Pierced"Common Sticker
Tier 59 	"Snake Charmer"Rare Calling Card
Tier 60 	"Shimmer"Legendary Weapon Camo
Tier 61 	"Boogie Man"Rare Shared Warpaint
Tier 62 	"Snorfsnout"Common Tag
Tier 63 	"Puppeteer"Rare Calling Card
Tier 64 	"Dolly"Common Sticker
Tier 65 	"Dragon Slayer"Epic Firebreak Specialist Outfit
Tier 66 	"Gribblet"Common Tag
Tier 67 	"Pinned Down"Common Sticker
Tier 68 	"Fatal Illusion"Rare Calling Card
Tier 69 	"Horned Skelecat"Common Tag
Tier 70 	"Dogfight"Epic Spitfire Reactive Camo
Tier 71 	"Marauder"Rare Seraph Specialist Outfit
Tier 72 	"Headless Teddy"Common Sticker
Tier 73 	"Dark Carousel"Rare Calling Card
Tier 74 	"Beefalump"Common Tag
Tier 75 	"Fighter Ace"Ultra ABR 223 Mastercraft
Tier 76 	"Tentacle Eye"Common Sticker
Tier 77 	"Flight"Common Tag
Tier 78 	"Timeline"Rare Calling Card
Tier 79 	"Amethyst Aspect"Common Sticker
Tier 80 	"Black Mamba"Legendary Ajax Specialist Outfit
Tier 81 	"Wizard Trance"Common Tag
Tier 82 	"Inverse Pyramid"Rare Calling Card
Tier 83 	"Dripping Lips"Common Sticker
Tier 84 	"Howl"Common Tag
Tier 85 	"Nebula"Legendary Zero Specialist Outfit
Tier 86 	"Spherical Sky"Rare Calling Card
Tier 87 	"Painted Hands"Common Sticker
Tier 88 	"Aftermath"Rare Torque Specialist Outfit
Tier 89 	"Seer"Common Tag
Tier 90 	"Nom Nom Nom"Legendary Gesture
Tier 91 	"Crimson Magic"Common Sticker
Tier 92 	"Whale Song"Rare Calling Card
Tier 93 	"Fungus Scape"Common Tag
Tier 94 	"Cross"Rare Reticle
Tier 95 	"Ultimis Dempsey"Ultra Blackout Character
Tier 96 	"Tear Falls"Rare Calling Card
Tier 97 	"Hypnotic"Rare Shared Warpaint
Tier 98 	"Queens Guard"Epic Battery Specialist Outfit
Tier 99 	"Carrion Crow"Rare Calling Card
Tier 100	"SWAT RFT"Ultra Weapon
===Winter Event===
The Winter Event was a special event alongside the Operation Absolute Zero Contraband and also featured in the Zombies mode as Winter Callings. It was available between December 13th, 2018 and December 26th on PS4 and between December 20th and January 2nd, 2019 on Xbox One and PC.
===Barbarians Event===
The Barbarians Event was a special event alongside the Operation Absolute Zero Contraband. It was available between January 22nd, 2019 and February 19th on PlayStation 4 and from January 29th to February 26th on Xbox One and PC.
==Videos==
Official Call of Duty® Black Ops 4 — Operation Absolute Zero Trailer
Official Call of Duty® Black Ops 4 – Operation Absolute Zero Studio Livestream
Category:Call of Duty: Black Ops 4 Seasonal Events