MarCellus24

Warhead Hunter Detonated all of the warheads in the Divide.

Pride Before The Fall Defeated the baroness ("Dragon Age: Origins - Awakening" expansion)

I Only Need a Hand or Twenty Elika saves you fewer than 20 times in the whole Epilogue.

Der Electrician! Link all teleport pads before round 7. (Map Pack 3 only)

Eternal Complete the Endless Knight AR Challenge, taking out 50 Enemies as Batman.

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Awakening Completed Dragon Age: Origins - Awakening ("Dragon Age: Origins - Awakening" expansion)

I said we’re CLOSED! In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.

Bye-Bye, Dark Aether Help the lost scientist complete his experiment

Up to the Challenge Completed any three Gun Runners' Arsenal (GRA) one star (*) Challenges.

Phantom Exterminator Kill 5 Phantoms in one game in Nightfall in Regular or Hardcore difficulty.

Dialed In Customize your loadout in every Open Combat Mission

Your tax dollars at work Use a missile to take out a single enemy in 'Danger Close'

Elevate Your Senses! Activate the Fly Trap. (Map Pack 3 only)

Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

Combat Veteran Completed any three Gun Runners' Arsenal (GRA) two star (**) Challenges.

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

Main Course Earn all 81 Stamps available in Super Size Career

Do you even Exo? Exo Melee kill 10 zombies in 30 seconds in Outbreak.

Cheapskate Acquire the exo suit without spending any money in Outbreak.

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

Commander of the Grey Reached level 30 ("Dragon Age: Origins - Awakening" expansion)

The Eagle has Landers In Ascension, escape on all three lunar landers.

Build a New Friend! Pigsy's Perfect 10： Find all the parts to build Perfect 10.

Turning Point Heard Leliana's version of her betrayal. ("Leliana's Song" downloadable content)

Best Best Friend Pigsy's Perfect 10: Ally a single Mech 2 times.

Rush Hour Get a Double Kill with the RC-XD in Multiplayer

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

What can possibly go wrong? Pigsy's Perfect 10： Complete all chapters.

Amaranthine's Last Hope Saved the city of Amaranthine ("Dragon Age: Origins - Awakening" expansion)

Hired Gun Complete 20 Contracts in MWZ

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Ultimate Pork Roast Recipe Pigsy's Perfect 10: Use all 4 devices on one enemy.

Quadruplets! Pigsy's Perfect 10: Ally 4 enemies using one single Ally device.

The Enduring Vigil Acquired all upgrades for Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)

Pros Only Completed any three Gun Runners' Arsenal (GRA) three star (***) Challenges.

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Through the Looking Glass Completed the scrying ritual ("Witch Hunt" downloadable content)

Witch Hunter Completed "Witch Hunt" ("Witch Hunt" downloadable content)

Curly Wolf Finish the game on hard difficulty.

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

Frequent Flyer BASE jump and travel more than 150 m with your parachute

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