Mereel

Baby Boom Get a bronze medal for any Grenade U-Trial.

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

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

Well Traveled Play in all of the maps.

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

The Harder They Fall Complete One Shall Stand on any difficulty.

This Is Surely Illegal Completely fill the emotion bar when interrogating a suspect.

Lab Tech Enthusiast Activate 10 upgrades at the Laboratory.

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

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

Autobot Recruit Autobot Campaign Complete (Easy).

Little Pecker Kill an enemy as a chicken in an online game

Undercover Agent Defeat Syndicate Lieutenant Lucy in Act II: Catch 22.

Hot Feet Run 100 m while holding the heated brainer.

MEAT IS MURDER Activate Bubby.

Windowlicker Defeat a law enforcer planting C4 in FIRST WORLD BANK on hard difficulty or above. To complete this challenge, you will have to have played the heist from the start.

In Synch Kill two enemies with simultaneous quick draws while in co-op mock surrender

Did Too Much Deplete half your suspect's health during an interrogation.

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

Maximized potential Unlock all weapon attachments

Shoot the big red spot Defeat the dwarf spider droid

Challenge Domination Get a Gold medal on all single-player challenges.

Spiders Defeat 500 Spiders

The Take Disarmed the fire traps in Chateau Haine's vaults. ("Mark of the Assassin" downloadable content)

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

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

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

Little Lost Girl In Origins, release Samantha.

Can't Catch Me Avoid being killed while chosen as the target in Target Hunter.

Killing Spree Kill five enemy players during one Respawn Match round.

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

Unbreakable Survive an entire level without needing to be revived on normal difficulty or above

More than You Deserve Arrest 25 enemies during cases.

Side Jobs Complete 50 missions from the mission board

Last man standing Beat a heist after having been the only one alive. (4 teammates).

A Better Tomorrow In Revelations,complete the cycle.

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

Till All Are One Complete both Campaigns (Any Difficulty).

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

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

I'm a Swinger In the Election Day job, complete the heist in stealth and swing the votes to the republican favor.

Hot Lava 2.0 On day 1 of the Election Day job, use the computer in stealth without ever touching the ground.

Genius Destroyer Defeat Monsoon without taking any damage on Hard difficulty or above.

Tanked Fury Defeat Yuri "The Fury" Andreov in Act III: Hell Hath No Fury!

Spending Spree Unlock 10 things in the Shop.

The Most Dangerous Game Play in a multiplayer match

Advanced Robotics You purchased a Mod in every tier for Bosco.

Fan Trouble Defeat Lockjaw in Act III: Swampland Showdown.

Star Player Collect 25 Stars in Bounty Mode.

LAW and Hors D'oeuvres Blow up a Food Item with the LAW.