FEFOSS4

Friends With Benefits Complete a Companion Activity in each camp.

Seeing Red Defeat a Crimson Head.

Don’t Go - Survivor Finish Left Behind on Survivor

Time for Rolling Cross the walkway through the Idol's volleys of arrows

Ham-Fisted Dispatch 10 scraps while riding the pig

Biker Boy Get praised by Jessie at the end of the motorcycle mini-game.

Just Beginning Complete all the main path story levels

Dr Frankenstein Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain

Polyamory Complete 5 quests in a single co-op game with the same 3 partners

Jail break-in Finish episode 3

Get that Kid to a Psychologist Find all the snowmen vignettes in the North Pole.

Peeress of Pull-Ups Complete all pull-up challenges.

Brother-in-Arms Vanquish Penetrator with Biorr

Rigging the Race Destroy all the rival pony carts in 'At the Races'.

Savior In multiplayer, save your fallen friends from certain doom!

Three Women and a Barry Clear Episode One.

Sonar So Good Defeated the Bringer of Nightmares at the bottom of the ocean.

Upping your Arsenal Buy half of the weapons.

Aced It Get an A+ on any chapter

Now We Need a Really Big Tissue Defeat the Wigwump.

Trespassing Complete all Quarantine Zones

Walk in the Park Complete Mission 3 (Any Difficulty Level)

Cop Rank 10 Reach Cop Rank 10

Ultimate Hot Potato Get 100 kills with the Grenade Launcher.

Disc Jockey Collect all music discs.

Clever Clogs Restored 5 Projectors.

May you be unharmed Vanquish Maiden Astraea without killing Garl Vinland

Hello Little Friend Get 250 kills with the Minigun.

Fists of Legend Vanquish Dragon God with the Hands of God

Depot Demolition Destroyed Lance Depot

I'm a Runner and a fighter Complete 15 Agility or Power Challenges

Building Character Attain level 50 with a character.

Enlightened! Blind 25 enemies in the Light Trap

OMGWTFBBQ Get 100 kills with the Flamethrower.

First Takedown Perform your first Takedown. Civilians don't count, so be nice.

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Paperazzi Take 15 photos of the paper world

My God, It's Full Of Stars! Unlocked when the player falls into the void on the way to the Cinema.

You know nothing Arctic Fox! Get hooked by spending your first skill point.

Not Taking Any Chances Burn up a zombie.

Auld Lang Syne Completed the Main Campaign on 1999 Mode.

Knoxx-Trap Killed General Knoxx-trap

Steele-Trap Killed Commandant Steele-trap

Ned-Trap Killed Dr. Ned-trap

Scavenger Hunt Completed the Main Campaign in 1999 Mode without purchasing anything from a Dollar Bill machine.

Hero Tech Battle with a secret weapon.

Casino Bust Complete story mission 2.

The Helghast Complete level 'The Helghast'

Multi-Master Achieve all the level goals for 10 different levels.
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Grand Opening Purchase something from Baku the Voiceless in New Game+.