ShepZeppelin

Art Dealer You collected all the Sokolov paintings

Ten Blades Campaign: 10 melee kills

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness

Poetic Justice You neutralized all key targets using indirect means

Hornets' Nest You killed 4 enemies in less than 1 second using the crossbow

Ripperologist Achieve 100% synchronization in Jack the Ripper.

Mostly Flesh and Steel You finished the game without purchasing any supernatural powers or enhancements, besides Blink

Get Your Hands Dirty Complete 'Semper Fi' on Veteran difficulty. (Solo only)

...And the Dust Settles Defeat General Gaius

Tempest You killed 6 enemies in less than 1 second

Light Machine Gun Lash Out Campaign: 50 kills with light machine guns

Surgical You played from the first mission through Kaldwin's Bridge killing fewer than 10 characters

Versatile You killed characters with each weapon and offensive gadget

Chapter 5 Complete Complete Chapter 5 in story mode

An Impressive Display Earn a Four-Star Rating in any Challenge Arena

Completed Grounded Mode Plus Completed Grounded Mode Plus

Opposite of Fail Complete all Fale Quests

Silence Those Guns Destroy every enemy Cannon

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Firestarter Complete a level using only the flamethrower. Melee, grenades & explosives are OK.

Far From Home Complete the quest "Far From Home"

DLC: Mars: Slimy Death Hit 10 Arachnids with Crabmones.

Robot Hunter Unlock 10 Robot Mods

New Challenger Join and complete an Online Tournament match

Headhunting Complete "Headhunting"

One Last Wish Fulfill Bopo's wish for snow

Get Your Right Foot Wet Complete a match in Competitive Co-Op mode. (Online co-op only)

Guardian Angel In the final battle for Okinawa, save Sergeant Roebuck.

Chapter 6 Complete Complete Chapter 6 in story mode

Harm's Way You caused 5 unintentional suicides

DLC: Mars: Nick's Story Complete the game (Host Only).

DLC: Mars:Bug Squasher Perform 10 takedowns on Arachnids using the Power Glove.

DLC: Zombies: FertiliZer Kill 10 Gougers or Hot Heads with the tractor in Fields of Terror.

DLC: Mars: The Queen is Dead! Kill all the Queens (Host Only).

Restoring Order Complete "Restoring Order"

Clean Hands You completed the game without killing anyone

The Most Toys Build 10 Robot Mods

Savior of Falana Completed 20 Sidequests

Shadow You completed all missions after the prologue without alerting anyone

People Person Play and complete 10 Online matches with one or more Clubmates

DLC: Mars: Mars Second Amendment Buy 12 weapons.

Bloody Peleliu Complete 'Little Resistance' on Veteran difficulty. (Solo only)

Witch Trials Baba Yaga: Complete every Wicked Vale Score Attacks with a gold score

Tango down Knock out 20 enemies in melee combat

Where You Belong Complete the quest "Where You Belong"

To the Rescue Cold Darkness Challenge: Rescue 6 prisoners

Get Your Left Foot Wet Complete a match in Campaign Co-Op mode. (Online co-op only)

Shoot the Messenger Defeat 3 Agitator Majini in one playthrough of "Desperate Escape."

There's no "I" in Team Score at least 80,000 points in Team Survivors.

Ghost You completed all missions after the prologue, alerting or killing no one but key targets