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Three of a Kind Kill 3 enemies in a row with your knife in the single player campaign.

Ghost In The Machine Hack 15 computers in Abstergo Entertainment.

Communication Breakdown Clear the airwaves

King Of The Castle Capture all forts.

Gladiator Last man standing

Ghillies In The Mist Complete 'All Ghillied Up' without alerting any enemies.

Redingote Up! Craft the Hunter outfit.

Wild West Indies Kill 4 enemies in a row using multi-pistols.

Wrecking Ball Stop the unstoppable

Barfly Unlock all taverns.

Feel the Heat Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.

Seven Deadly Seas Explore all underwater shipwrecks.

Lost And Found Uncover the secret of Arkham City

Vault Raider Unlock the secret door in Tulum.

Retro Shooter Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').

Sandstorm We are legion

Perfect Lover Cooked a meal, cleaned the apartment, took a shower, wore the elegant dress and put on some music.

The First Step Join the Minutemen

Possessive Spy Finished the mission using only the Sheik.

FTFY Fully upgrade your hideout.

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

Roped In Perform 5 air assassinations from a swinging rope.

On Rails Experience Choo Choo!

Hide And Seek A deadly game of hide and seek

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

Lock and Load Customize a multiplayer loadout

Cartographer Visit every location of the game.

Tomb Raider Complete all Challenge Tombs

Break the Bank Guess it was time to cash out.

No Guts, No Glory Perform a 2.5 second or longer swan dive

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

Chose Afterlife Entered the Infraworld.

Sharing Is Caring Share each type of discovery with friends once.

Sanctuary Complete "Sanctuary"

Commonwealth Citizen Reach Level 10

Ghost Train Fight for survival

Plastic Prison Breakers They had no way out.

Touchdown! Get a Touchdown

IQ Test Solve the first riddle

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

Sea Legs Complete all naval contracts.

Freefall Don't look down

Bacon! Kill a razorback boar using a Molotov cocktail

Casual Girl Ordered a pizza, watched some TV and wore something casual.

Time Paradox Kill Makarov and complete your mission

Exit Stage Right All the world is a stage

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

The Chosen Few Uncover the remains of all Jacob's disciples

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

In Love with Ryan Slept with Ryan.