The_Slugkiller

Survivor Survive until Round 25 in Outbreak.

Alright, Alright Survive until round 10 in Infection.

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

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.

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.

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)

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.

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

Going Up… In The Darkest Shore, unlock the Ubersprengen.

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

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.

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.

Reunion Visit another Player's Base

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

Inquisitive Mind Find all of the Intel in Mayday.

Spelunker Find all of the Intel in Awakening.

Ensign Reach round 10 in Carrier.

The Final Chapter Find all 7 story related intel files in Exodus.

Big Baller Earn 75,000 points in a single Nazi Zombies game. (Map Pack 2 only)

Medalist Obtain all medals on the original Ranked Maps in Challenge mode (as Batman)

You Wish Hit an Ancestor with a Hypno Knife in Regular or Hardcore difficulty.

Perfectionist Obtain all the medals on Custom maps in Challenge mode

Olympian Obtain all medals on the original Campaign maps in Challenge mode (as Batman)

Twice The Fun Escape Awakening using two Relics in Regular or Hardcore difficulty.

Unstoppable Complete the final Ancestor with at least 1 relic in Regular or Hardcore difficulty.

I Am The Night Finish I Am The Night Mode

Awakening Completionist Complete all Challenges and escape Awakening in Regular or Hardcore difficulty.

Nemesis Completionist Complete every challenge and the final Ancestor encounter in Regular or Hardcore difficulty.

The Chill in the Air Complete the Crime Alley AR Challenge unharmed as Batman, Robin and Nightwing.

Still Lurking In The Darkest Shore, find and shoot Dr. Straub.

Like A Glove Kill 5 cryptids with the Ark attached to every compatible weapon in Awakening in Regular\Hardcore.

Hover or Die Complete all Agency Hoverboard Courses in 20 seconds or less

One Man's Poison... Use the cure station to kill 5 host zombies at once in Infection.

20/20 Upgrade 2 weapons to level 20 in Outbreak.

Well Rounded Escape Awakening with each of the four classes in Regular or Hardcore difficulty.

Own the Fog, Be the Fog In The Darkest Shore, kill a Meuchler in the fog

The Curtain Falls Flawless FreeFlow in every round of the Monarch Theatre as Batman, Robin, Nightwing and Catwoman.

Requiem for a Killer Defeat an old adversary in the Iceberg Lounge AR Challenge, playing as Batman.

Timing is Everything Kill the final 3 Ancestors within 10 seconds of killing the first Ancestor in Regular or Hardcore difficulty.

Popcorn Cook 50 zombies with the Magnetron in Infection.

Always Hard Kill the final Ancestor with a relic active in Hardcore difficulty.