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Hard Finish Finish story mode on Hard, without changing the difficulty setting.

Clarity Crack the code.

Raining Pain Rack up a body count of 20 NVA using air support in Hue City.

Stand Down Complete the campaign on any difficulty.

All Systems Go Complete Chapter 3 on any difficulty setting

Insert Coin Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Up close and personal Silently take out 3 VC.

Brute Force Kill a Brute

Incredible Height! Travel to an incredible height

Merchant Collect 8 schematics

Cannon Fodder Complete Chapter 4 on any difficulty setting

Casey Jones Take down 25 enemies while riding on a moving train.

Evil to the Core Purchase every negative Karma upgrade for each power.

Sackbird Spend 8 seconds or more in the air

Story Teller Collect 75 Logs

True Believer Complete Chapter 5 on any difficulty setting

I Live Survive 1 wave in a Special Ops Survival game.

Surgeon Dismember 500 Limbs

Exterminator Kill the Leviathan

Greenhouse Effect Complete Chapter 6 on any difficulty setting

Struck Down Find Ajax. (Complete "Struck Down" on any difficulty.)

Big Spender Spend 200,000 credits at the store

S.O.S. Complete Chapter 7 on any difficulty setting

Get off my ship! Kill the Slug Boss

Strange Transmissions Complete Chapter 8 on any difficulty setting

Trendsetter Place a sticker or a decoration on another player's sackperson

Homecoming Defend LA. (Complete "Homecoming" on any difficulty.)

Wreckage Complete Chapter 9 on any difficulty setting

Valorous Earn Vanguard Rank 1.

Keeper of the Faith Complete Chapter 10 on any difficulty setting

Legends Never Die Hunt down Almagro. (Complete "Legends Never Die" on any difficulty.)

Armstrong Shoot 50 objects using Kinesis

Betrayed Complete Chapter 11 on any difficulty setting

Survivor Complete the game on any difficulty setting

Exodus Complete Chapter 12 on any difficulty setting

Mindless Prey Kill the Hive Mind

Stunt Master Complete all of the stunts on the stunt list.

Legend Teller Collect 150 Logs

Federation Day Gather intel on Rorke. (Complete "Federation Day" on any difficulty.)

Air Alert Zero-G Jump over 100 times

Eaten by a Grue Play Zork on the terminal.

Rockhound Find 100% of the Shards.

Birds of Prey Capture Rorke (Complete "Birds of Prey" on any difficulty.)

The Hunted Make it out alive (Complete "The Hunted" on any difficulty.)

Pack Rat Store 25 Items in Safe

Clockwork Hack the system (Complete "Clockwork" on any difficulty.)

Deep Freeze Drop 8 vehicles into ice holes.

Atlas Falls Distract the Federation Fleet. (Complete "Atlas Falls" on any difficulty.)

The Life Exotic Obtain and equip a piece of Exotic gear.

Sally Likes Blood Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.