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Master Ninja Complete any level using only the knife to kill enemies.

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

No Matter What - Normal Complete the game on Normal

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Bad Nanny Kill 20 Unbaptized Babies

New Squadron Record Complete the cargo ship mockup in less than 19 seconds.

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Sentence the Judge Defeat King Minos

Precious Find a Beatrice stone

Time Paradox Kill Makarov and complete your mission

The Man in the High Tower Find and use the hidden cache in 'Heat'.

Lovers Torn Asunder Defeat Marc Antony

Don’t Go - Easy Finish Left Behind on Easy

The Great Worm Defeat Cerberus

Dogs. I Hate Dogs. Kill 20 attack dogs with a knife.

Brick Master Win the brick throwing contest

Diamond Hard You cleaned out Vangelico to pay back Martin Madrazo.

Man versus Machine Alert the enemy helicopter in 'All Ghillied Up' and take it down.

Your Show Sucks Destroy all the TVs showing Al-Asad's speech.

Up to the challenge Complete one challenge in the campaign

Demon Slayer Kill 30 Demons

The Shot Complete 'All Ghillied Up' and 'One Shot, One Kill' on Veteran difficulty.

Footsteps of a Traitor Find 10 pieces of silver

Flyswatter Destroy 8 enemy helicopters in 'Heat'.

Eyes and Ears Find 30 enemy intel items.

The Third Horseman Complete 'Heat' and 'The Sins of the Father' on Veteran difficulty.

The Fourth Horseman Complete 'Game Over' on Veteran difficulty.

The Father Complete level 'The Father'

Snap + Slide 8 Piece Prize Complete a Snap + Slide puzzle with 8 pieces in 30 seconds or under.

Deep and Hard Complete the game on Hardened or Veteran difficulty.

Burning Eyes Send Charon back into the abyss

Shut That Door Close a car door whilst in cover.

The Ultimatum Complete 'Ultimatum', 'All In', and 'No Fighting in the War Room' on Veteran difficulty.

Pimp My Sidearm Fully mod a weapon.

Confessional Kill 5 Heretics

Like Father Like Son Defeat Alighiero

Activated Get to Manhattan.

A Friendship Resurrected With friends like this who needs enemies?

Catching up on some reading Collect one Field Manual in the campaign

Gates of Dis Enter the lower circles of The Inferno

Give Me Strength Open 20 Health fountains

Soul Reaper Collect 60,000 Souls

Indigestion Kill 5 Gluttons

Superstition Kill 20 enemies using magic

The Harrowing Escape Heresy

Up close and personal Perform a melee kill on 10 enemies anywhere in the campaign

Sorcerer's Apprentice Open 20 Mana fountains