Battlehead

Overachiever In Origins, complete all 4 Challenges in one game.

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

The Ultimate Race Win 1 Quick Race in the AcceleDrome (not unlockable in Online and Split Screen modes).
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The Highest Office In Classified, reach round 20 without using an elevator

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

Rival Crusher Earned Gold in all Mission Challenge races

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Under Pressure Complete Breakpoint and Containment in Co-Op Campaign

Early R&D Develop first R&D upgrade in any department

Top Marks Get all the answers right in the Professor's three quizzes

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

Soldier Play any Multiplayer match

Nightmare to Dreams Complete the Black Ops 7 Co-Op Campaign

Pump It Up On Bomb: Forest, stop the cops from disconnecting the water hose whilst using the river water pump.

On the Top Step Win your first race.

High Grades Get an "A" rating for a transfer negotiation

Chosen one Dodge 4 bullets at the same time.

Take Off, Hoser! Ride Chompy for 5 minutes in a single match in Carrier.

Starting Upload Slot in the USB drive

Prestigious Award Attain max level or Prestige with 25 different weapons in Zombies

EXTRA: Green Eyes Vizard Find and buy the Green Eyes Vizard in The Lycaeum.

CQB Expert Kill 50 players with a shotgun, a submachine gun, and/or a pistol.

Maximum Overdrive Equip an Overclock on a Lethal, Tactical, Field Upgrade and 3 Scorestreaks at once

Tastes Like Platinum Earn all trophies in the game

First Come, First Served Loot 50 items from the carepackage.

Most Wanted Reach reputation level 100.

Upload Complete Don’t die whilst the Trojan from the USB stick is uploading during The Belly of the Beast

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Velocity: On Final Approach Unlock either Jump Nitrous PRO or Drift Tires PRO (Multi)

Shinobi Bypassing all 3 consoles before raising the alarm, beat DIAMOND HEIST on hard or OVERKILL difficulty. To complete this challenge, you will have to have played the heist from the start.

Heartless Make only negative choices

EXTRA: Survarocchi Find and buy the Survarocchi in The Lycaeum.

For The Good Of All In Revelations, the Key must be opened.

Mech My Day Shoot the pilot out of a Hawk while it's on the ground.

The Eternal Awaken Warrior Axel (Quest)

The End...? Watch the ending movie

Sliding Doors Move to the side door of the Van

Bully Defeat an opponent who is Grabbed by your team-mate

High Stakes Win a run on at least Gold Stake difficulty

Smashed it Get 5 stars for a Score in any mission

Zombiepult In Gorod Krovi, launch 10 zombies into the air at the same time.

Blood-Spattered Savior Rescue a total of 20 survivors in Infection.

Hoarder Complete all 6 Calling Card Challenges in any Zombies Category

Do Your Homework Check a pre-match report, complete a training session and attend a press conference before a match

Over theeeeeere! Win a match as Allies.

Blackout Historian In Blackout, unlock Reznov, Mason, Woods and Menendez

Yeager Finish 6 "perfect regions" in 1 run

Tier 1 Completed the campaign on Tier 1 difficulty

House Arrest Attain a total of 105,000 score on Interval 04