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

Alright, Alright Survive until round 10 in Infection.

Survivor Survive until Round 25 in Outbreak.

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

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

Collector Loot 10 Superior or Custom items.

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

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

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

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

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

Head Trauma Use every type of melee weapon on a zombie

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

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

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

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

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

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

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

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

Rain Maker Collected all trophies.

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

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Sack the Postman Post all 6 invitations for the party.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Score Monger Complete 30 challenges in one Interval

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Insert Coin Complete all achievements in one game from The Arcade.

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Worst Nightmare Master the Worst Nightmare Dark Knight track

Absolute Genius Finish all Free Play Games at Genius difficulty

Extermination Expert Play 5 public matches of Extermination

Diligence as a goal Get 3 stamps in any arena challenge.

The circle is now complete Get to Rank 100

Let it Snow Receive the Extreme Environment Suit (XE Suit)

Muppet Mastery Complete The Muppet pack's story

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

Flipper Flip the level 6 times in Protector mode

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Balancing Act Balance another sackperson on an object while lifting it with touch.

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Collector Extraordinaire Collect 100% of the Prize Bubbles in The Journey Home.

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Mozambique Here! Ping a Shotgun in Battle Royale.

Natural Talent You finished Mystery Foe without using any active supernatural powers