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Capacity Compliance Reach the top of the clock tower without the lift stopping once.

O to the D Kill 100 enemies during Overdrive

Friend in Need Request Zussman to toss you First Aid Kits 30 times.

Fine, But You're Cleaning Up After Them Get 10 critters on screen at once.

Loud Enough For You? Kill 10 enemies or drones while affected by a sonic blast.

This Is My Boomstick Kill 30 enemies with the XM25 in "Black Tuesday."

Blood for Blood Complete Vengeance on Hardened, Veteran, or Realistic.

Survivor 2033 Complete the game in Survival Mode.

Boo! Play "Peek-a-boo" with the AR Bots.

Shocking Get 30 kills with Hellbreath.

Turn around... Perform 5 dog tag kills in Multiplayer

Going Places Rode the tram in Burial at Sea - Episode 1.

Man Overboard! Melee an enemy so they fly off the side of the ship in "Armada."

Life Support Revive a teammate with one second left on their timer. (2P +)

Tickets please Shoot the grapple guys off the side of the train.

Knockout Artist Kill three enemies with one attack using the Blitzer.

Invisible man Complete FRONTLINE level without killing anyone.

History Uncover all 10 ancient glyphs.

Who's the Hunter Now? Defeat a Hunter.

Danger Close Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."

Close Quarters Killer - Kill 25 Helghast using Brutal Melee Killed 25 Helghast using Brutal Melee

Honey, I'm home! Make ASOBI lonely and return to him!

To The Heroes Among Us Unlocked when the player finds the hidden Extra Life 2012 Logo.

Ascension Defeat Ixion

History In The Making Collect over half of the Intel.

Delaying the Inevitable Save Richard with a serum.

The Flora Flop Unlocked the Secret Exit in Diggin' It.

Birdie Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.

Informant Collect 22 Intel Items.

Beam Me Up Discovered all named locations aboard the Helios Space Station.

This Circus Is A Disaster! Unlocked when the player goes through the circus tent toward the attractions.

Irreversibly Contaminated Have 5 Parasites simultaneously

Doing Camo Right In Campaign, unlock all camos for any weapon.

Unlocked Potential Fully upgrade a Cybernetics Core.

Galaxy News Radio Completed "Galaxy News Radio"

Silent Night Sneak through the courtyard undetected in Liberation.

Lcnce n Rgstrtn pls Bust 10 Racers in a Mustang

Big man on campus Unlocked Alex's Aggressive Trait

Home Sweet Home Occupy The Relay Station (Valley Of The Yetis).

Ranger Find all Ranger stashes in Dead City.

Fanboi Put Ken's or Morohoshi's car in your garage

99 Percent Perspiration Earn 99 lives.

A Stitch in Time Saves 99 Earn 99 Lives.

The hills of Gallipoli Unlock all Codex Entries in The Runner

Excessive Force - Kill a lone Helghast with the WASP secondary fire Used the secondary fire function of the WASP launcher to kill a single Helghast

Merciful Complete the level BLACK STATION without killing or knocking out any enemies.

Leave No Gem Unturned Earn 21 Gems.

My World is Fire Equip the Flamethrower Boost and win a 4v4 Online match

All men dream Unlock all Codex Entries in Nothing is Written

Ménage à Trois Destroy 3 tanks with a single 105mm shot in "Iron Lady."