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

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

Outstanding Observer Complete many requests for the Lynian Researcher.

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.

Undiscovered Truths Find all the intel hidden in Nightfall.

Gotta Catch'em All Collect all secrets.

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

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

Monster Master Maximize the research level for almost all large monsters.

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

Spiritually Attuned Make 100 Psychic Links (Share or Steal)

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

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.

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

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

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

Footy Foul Kill 2 enemies with 1 Slide Kick during Slow-Mo

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

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

Red Faction: Armageddon Master Unlock all Trophies in Red Faction: Armageddon

Wander and the Forbidden Clear the game in hard difficulty

Endangered Lizards Killed all shining lizards

State-of-the-Art. Bang, Bang! Kill 10 enemies in a row with Sniper Rifle headshots

Climber Reached top of the shrine

Muppet Mastery Complete The Muppet pack's story

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

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.

Battle Brother Get a Multiplayer character to Lvl 10.

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

Elite Sniper Kill 10 enemies with head shots from the scoped rifle

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

Mighty Wander Max out stamina bar

Welcome to The War Play and complete your first Ranked Match in standard Deathmatch mode

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

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

Master of Sword and Gun Complete a Chapter of the single-player campaign using only the Bolt Pistol and Chainsword.

Extermination Expert Play 5 public matches of Extermination

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

The Emperor's Marksman Kill 10 enemies in a row in a single Ranged Fury activation.

Old West Legend Finish the game on very hard difficulty.

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

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

Cornucopia Acquired all fruits in the world

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.

Captain Pig-ard Achieve a score of 4000 or higher in "Pigs In Elevators (In Space)!"