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Proceed on your way to Armageddon Complete the game on Armageddon mode

The Knowledge Find all collectibles in the campaign

Evolution Theory Found all of Dr. Murphy's audio logs.

Buddy System Komplete Mastery With 1 Kameo Character

Homo Machinalis Killed Barrett after his transformation into Homo Machinalis

Hero Clear all missions (including Side Ops and Extra Ops) with a S-rank

Key To The City You completed GTA IV to 100%.

Get Packed In Spaceland, Pack-A-Punch a weapon.

King Slayer Dethrone A King

All the President's Men Save President Myers.

You Seem Different... Unlock all of the Shells in the game.

Rock Portal Scissors Win 3 co-op games of rock-paper-scissors in a row

Was That Yours? Defeated a boss with its own weapon

Fowl Five Piece Get a chain of 5 chickens strung together in Dead Ops Arcade.

Legends Grow Earn 5,000 Triumph points.

Speedy Rexecutioner Destroy the Metal Gear REX boss in under 2 mins 30 seconds

Door Prize Examine all the vitrified test chamber doors

Spirit Stones Run Amok Completed "The Sanada's Resolve."

Arachnophobia Defeat the Chimera.

You Don't Run from Chance Successfully complete 50 Executions during story mode.

Ace Port Royal Ace Port Royal

Ghost in the Machine Accompanied a father and his little daughter on their way through the facility

Sniffing Around Completed your Iron Maus comic collection

The Good Times are Killing Me Jam with a brigand.

Schrodinger's Catch Catch a blue-painted box before it touches the ground

TranStar Gourmand You consumed one of every type of food and drink on Talos I.

The Mighty Have Fallen Komplete A Titan Battle

Hidden Globes Destroy 10 Snow Globes in Carillon Hamlet

Forgotten Knowledge Find all collectibles on Netherhold

Brave New World Finish the game without corrupting the Utopia protocols

High Score, Is That Good? Obtain A Total Score Of 5,000,000 In Towers Of Time

To Yodogimi's Side Completed "Resentment Unleashed."

Become Operational Complete the Gallipoli Operation

Thrifty Painter Complete Act 3: The Mission firing less than 125 paintballs

From Here to Eternity Complete wave 15 on Endless Hard or higher difficulty on Elysium

Faded the Fire Defeat Imrod, the Unrepentant.

Push the Fat Guy You killed Alex.

Guard Dog Acquired the complete Black Cerberus gear and the MG Judge

Narbacular Drop Place a portal under your co-op partner while they are gesturing

Seal the Deal In Die Maschine, close the rift.

Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course

Turmoil's End Completed "The Last Samurai."

Mean Machine Get 100 Kills as the driver, pilot, or passenger of a vehicle in Multiplayer.

Pointless Execute at least 10 Headshots before you find the first DropKit

Bring the Glands Back to Me Bring a gland to Dark Father.

Ace Pirate Town Ace Pirate Town

Dungeon Diver Visit every corner of a Deadly Dungeon.

Information Obtain all cassette tapes

Challenge Complete a certain challenge.

Platinum Get every trophy.