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Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

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

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.

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

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

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

Burgertown Escort Service Rescue 1 survivor in Infection.

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

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.

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

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

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

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

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

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

Survivor Survive until Round 25 in Outbreak.

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

Alright, Alright Survive until round 10 in Infection.

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

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

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

Nahantu Sightseer Explore all of Nahantu.
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Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

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

Sack the Postman Post all 6 invitations for the party.

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

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

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

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

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

Muppet Mastery Complete The Muppet pack's story

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)

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

Spirited Sparring Kill 500 enemies with Ultimate Skills as a Spiritborn.
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Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

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

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

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

Tactical Challenger Complete all of the Tactical Challenges in VANQUISH.

Stalact-tactician Takedown 2 enemies with one stalactite

Acquire All Trophies Acquire All Trophies

For Auld Lang Syne Stop Freeze and bring Boyle to justice

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

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

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

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

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