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History In The Making Collect over half of the Intel.

Justice for All Complete 100% of Story Mode

No Bear Left Behind Unlocked the Secret Exit in Unbearable.

City Dweller Made it to the city in Regular or Hardcore difficulty.

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

Reign of Terror Kill Diablo in Hardcore mode.

Caves combat master Achieve gold medal for this challenge map

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

Another Souless Copy Defeat Pei & Nang Pooh

Deep Sixed Defeat mother Neptune.

Unlocked Potential Fully upgrade a Cybernetics Core.

Silent Night Sneak through the courtyard undetected in Liberation.

Paderborn bridge combat master Achieve gold medal for this challenge map

Out of the Frying Pan... Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.

Wulfburg square combat master Achieve gold medal for this challenge map

Bathhouse combat master Achieve gold medal for this challenge map

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

May His Death Satisfy You Kill Malthael in Hardcore mode.

A Sinister smush Complete "Front Gates of EEEEEEEVIL!"

Jack-pot Destroy 21 slot machines.

For Whom the Shell Tolls Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

Strike! Kill 5 enemies with a single grenade.

Har, Har, Har, Very Funny Visit an unlikely source at Blackgate Penitentiary

Workshop combat master Achieve gold medal for this challenge map

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

Who's the Hunter Now? Defeat a Hunter.

Graveyard combat master Achieve gold medal for this challenge map

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Look Both Ways Kill all the KVA in the traffic section without damaging a civilian vehicle in "Traffic."

The Best of the Best Complete the campaign on Hardened or Veteran difficulty.

Cosplay Unlock a costume in the Archives

Delaying the Inevitable Save Richard with a serum.

Maximum Overdrive Kill 50 enemies while using Overdrive.

What Goes Up... Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."

Friends and Foes Complete Rise and Fall on Hardened, Veteran, or Realistic.

Burn Baby Burn Destroy 80 Fuel containers.

The Old Blood master Collect all trophies

A Stitch in Time Saves 99 Earn 99 Lives.

Leave No Gem Unturned Earn 21 Gems.

It Came from Below! Kill 6 enemies with the knife while underwater in "Legends Never Die".

Hard Hitter Complete the campaign on Hardened difficulty.

Loose Ends Complete Case File 01: BATMAN'S LAST CASE

Payback Complete "Mind the Gap", "Goalpost", and "Return to Sender" on Veteran difficulty.

The Handler Complete level 'The Handler'

Rise to the Top Complete Classic Battle with any character

Diggin' in the crates Find 11 treasure chests in the darkness of the Tombs

Flying Ace Shoot down 10 enemies with machine guns in "Throttle."

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Above & Beyond (Hardcore) Reach level 70 in Hardcore mode.

The Family Life Unlocked when the player examines Didi's family pictures.