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Jack the Ripper Melee 5 enemies in a row.

Flight Attendant Kill all 5 enemies during the zero-g sequence in "Turbulence."

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Serrated Edge Finish a Juggernaut with a knife.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

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

This is the End Complete "Scorched Earth", "Down the Rabbit Hole", and "Dust to Dust" on Veteran difficulty.

Who Dares Wins Complete the campaign on any difficulty.

Scout Leader Collect 46 Intel Items.

50/50 Complete a Special Ops Mission Mode game with the same number of kills as your partner.

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Stay Frosty Complete the "Arctic Recon" Special Ops mission on any difficulty.

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

No Assistance Required Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Don't Tread on Me Complete the "Iron Clad" Special Ops mission on any difficulty.

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

One-Four-One Complete the "Kill Switch" Special Ops mission on any difficulty.

Diamond in the Rough Rescue the Russian President. Complete "Down the Rabbit Hole" on any difficulty.

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Strike! Kill 5 enemies with a single grenade.

A Baker's Dozen Run over and kill 13 enemies with the snowmobile in the "Black Ice" Special Ops mission.

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Shotgun Diplomacy Complete the Special Ops mission "Negotiator" on any difficulty.

Brag Rags Earn 1 star in Special Ops Mission Mode.

Ice in Your Veins Complete the "Black Ice" Special Ops mission on Veteran difficulty.

Slippery Slope Complete the "Black Ice" Special Ops mission on any difficulty.

Master Exploder Complete the Explosive Rifle Challenge.

Buckin' Awesome Break the Kentucky Saddler, the American Standardbred, and the Hungarian Half-bred.

Frontiersman Obtain Legendary rank in any Ambient Challenge.

Fightin' Around the World Knock someone out in melee in every saloon in the game.

Man of Honor / Chivalry's Dead Attain highest Fame rank and either highest Honor rank or lowest Honor rank.

Full steam ahead Complete "Steampunk Party"

Let off some steam Find and turn the hidden valves in "Steampunk Party"

Party Animal Start the party in "Steampunk Party"

Test Complete Complete "Test Chamber"

Need to vent Go through all the ventilation shafts in "Test Chamber"

Half-baked puzzle Find the cake in "Test Chamber"

Axe Master Complete all Tomahawk challenges.

Nurture or Nature? Complete "Remember My Family".

People are Still Strange Complete 15 tasks for Strangers.

More than a Fistful Earn $10,000.

Gold Medal Earn a Gold Medal Rank for a combat mission.

The Gunslinger Score a headshot on any enemy using Expert targeting mode.

Instinto Asesino Complete Fort Mercer and Nosalida Hideouts.

Dastardly Place a hogtied woman on the train tracks, and witness her death by train.