AltarTurk

Armed and Dangerous First Weapon Upgrade Purchased.

The Story Ends Complete Campaign Mode on Normal difficulty

Cu later Complete "Copper World"

Preemptive Strike In Classified, kill 50 Nova 6 Crawlers without letting them explode in a single game

Definition of courage Complete the game on Extreme difficulty

Supreme Challenger Complete 500 total challenges between all categories.

Drop The Bald Defeat Lex Luthor.

Unseen Strike Stealth kill a total of 10 enemies in a single mission.

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

Crawl for Help In Classified, while in last stand use a teleporter and then get revived in a single game

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

Ground Control In Moon, prevent each excavator from breaching the base in one game.

Silver Lining Complete the Silver stage of all Skill Games

Hammer of Vulcan Kill 5 AD-4 Vulcan Engineers

On A Roll Complete Fast Food without losing a ball

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

Wings Clipped Defeat the sky commander

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

MEAT IS MURDER Activate Bubby.

Dethroned Defeat the Garbage King

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

Superior Genes Win first place in all versus challenges

This Damn Island In The Darkest Shore, explore the entire island.

High Impact KO your opponent from clinch.

This is Madness! Fighting is fun, huh? Well then, let's aim for 300 matches online fought, OK buddy?

And The LAW Won Land a final blow on a Boss Mutation with the LAW.

Intruder Defeat OmegaBot-2000

Little Lost Girl In Origins, release Samantha.

Insider Trading Possess every type of possessable enemy

Big Brother's Helper As Fettel, suspend 100 enemies that Pointman kills

Trick Shot Kill a bird during a winning duel.

Pent-up-agon In Classified, complete 5 consecutive rounds without leaving the war room elevator in a single game

How low can you go? Hit 18 enemies with a single shot of the LZ-52 Limbo in Carrier.

Coast 2 Coast Cross the water with a teleport grenade in Descent.

Over theeeeeere! Win a match as Allies.

Tier 1 Completed the campaign on Tier 1 difficulty

Champion Defeat Doctor Omega

A Better Tomorrow In Revelations,complete the cycle.

How the mighty have fallen! Defeat Oz... again in Descent.

Up The River Attain a total of 95,000 score on Interval 01

Creeping on the Down Low Wall creep, free kick is blocked by wall

Act 5 Veteran Complete all Act 5 maps on Veteran difficulty or higher.

Senseless Axe of Violence In Blood of the Dead, kill 5 zombies with the Hell's Redeemer before it starts its return

Sargasso Complete the Act 3

Up Close and Personal Kill one of each enemy type with a melee attack

Sexy Man Whose Blood is Dripping Increased BLOOD to maximum upgrade level.

Mad Hops Jump over 4 live sharks in 10 seconds in Carrier.

Instigator Complete Riot Mode for the first time

Square peg in a round hole Attempt to use an improvised battery in "Copper World"

Obscured by the Moonlight Cleared all episodes on Hard Mode.