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Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Duct Tape FTW Create all combo weapons

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

E99 Tech Geek Purchased 10 different Hero Upgrades in single player campaign

Give Them Something to Believe Complete New Game Plus

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

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Good Behavior Completed the game on any difficulty without killing any monsters.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Zombie Genocide Master Kill 72,000 zombies

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Useless Trinkets Completed the "Digging up the Past" side quest.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Time Master Completed Singularity on Hard Mode

Ninja Carnage Kill every enemy in an Ambush.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Ending E Achieved "Surprise!" ending.

Full Recon Collect all the intelligence items in a level using Bond's Smartphone

Burgertown Escort Service Rescue 1 survivor in Infection.

Undiscovered Truths Find all the intel hidden in Nightfall.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Spiritually Attuned Make 100 Psychic Links (Share or Steal)

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Come On And ... Slam 10 zombies at once in Outbreak.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Head Trauma Use every type of melee weapon on a zombie

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

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

Alright, Alright Survive until round 10 in Infection.

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

Survivor Survive until Round 25 in Outbreak.

Collector Loot 10 Superior or Custom items.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

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

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

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

That Party was Ace Ace every Adventure level in The Journey Home.

Rain Maker Collected all trophies.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)