Cpt_Deathcore

360 No Scope While airborne, spun 360 degrees then got a kill with a Sniper Rifle without using the scope.

Knoxx-Trap Killed General Knoxx-trap

Light my fire Set 10 zombies on fire simultaneously.

Ned-Trap Killed Dr. Ned-trap

Steele-Trap Killed Commandant Steele-trap

Occult Weapon Acquire best wpn through occult reinfrc.

Follower Perks Use a Training Order to give a Follower a gang.

Cortex's Crazed Contest Earn the Key in Sunset Vista.

Phased and Confused Phaselock 100 enemies.

Gears Turn Complete "HELLBOUND" mission.

Relics in the woods. Find the hidden area within the woods.

This is the end Failed to prevent the attack

Divine Weapon Acquire best wpn through divine reinfrc.

World Traveler Discover all named locations.

Catch This! Kill 10 enemies by throwing an object at them

Master of Infusion Perform all forms of infusion.

Not Taking Any Chances Burn up a zombie.

Fall and Rise Complete all Brûz quests.

Pathoanatomist Kill 5 amoebas.

Moxxi's Sampler Tried all the Moxxtails in the Up Over Bar in Concordia.

Keep foyer combat master Achieve gold medal for this challenge map

Adapt and Overcome Blow up 10 explosive objects, killing at least one enemy each time. (campaign only)

Auld Lang Syne Completed the Main Campaign on 1999 Mode.

Muerte la robo-lución Killed the Interplanetary Ninja Assassin Claptrap

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

Not Worth My Time Get an instant victory on an enemy.

What Time is It? Perform a leap of faith from Arsinoe's sundial obelisk between 10 am and noon (The Hidden Ones)

Maxed Out Upgrade all weapons and equipment

Oh, no you don't Kill a Ram using tackle skill.

Making Things a Little Easier Used your first High-Grade Weapon Parts.

The Helghast Complete level 'The Helghast'

We Were Soldiers Complete game on "Combat Op" difficulty.

Multi-Master Achieve all the level goals for 10 different levels.
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Scavenger Hunt Completed the Main Campaign in 1999 Mode without purchasing anything from a Dollar Bill machine.

Growing Stronger Upgrade any weapon once

Freeze, Scumbag Defeat a total of 10 Visitors with Quick Purge while they are held by a Stun Talisman.
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Fire Weapon Acquire best wpn through fire reinfrc.

Left Yourself Open Defeat a total of 10 Visitors by exposing their cores with Exposure Talismans and ripping them out.
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Hole in Your Pocket Spent at least $500,000

Potato Masher Save 5 allies by throwing away a live enemy grenade.

What's In The Box?! Escape the Keeper beneath the catacombs.

Return to Form Help a player vanquish a boss

Storm Cloud Escape from the Dark Presence

New York City Complete chapter "Casey"

Taken Saw a chilling vision.

Manhattan Project Spend 60 seconds in a Radiation Hotspot.

Shining in the Night Ignite a Hand Flare to keep enemies at bay

Instrument of Faith Defied destiny's charge and embarked on a different path.

Helloooo, Nurse Revive a friendly troop.

Don't Look Back Use the Thermal, Burnout, or Nitrous Rocket Boost for a total of 10 minutes