Two-Gunz

Burgertown Escort Service Rescue 1 survivor in Infection.

Just Like Old Times Dispatch the professor with a shot to the groin.

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

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

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

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

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

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

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

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.

High Score In Zombie Rush, obtain a Personal Score of 250,000

Alright, Alright Survive until round 10 in Infection.

ARCHIVIST Collect all documents

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

Survivor Survive until Round 25 in Outbreak.

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.

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Multiplicitous In Zombie Rush, get your score multiplier up to 100

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

Not a Fluke Win 10 Blackout games

Tier One In a group of 4 finish an Operation on Challenge with 5 directives enabled.

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.

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Fallen Eagle Kill 10 eagles.

Maniac Get an S-Rank on all stages on Hard difficulty or higher.

Annihilation Get 100 Elite Zombie Eliminations in Zombies

No Mo' Modi Get out of jail, but not for free

Bleeding Knuckles Reach a lifetime score of 5,000,000.

Rock, Paper, Plasma In Voyage of Despair, kill 9 zombies via Catalytic Detonations in a single game

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

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.

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Straw Purchase Gift a Mystery Box Wonder Weapon to a teammate and have them accept it

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

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

Without a Trace Barrel through the lava, don't let anything stop you

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

LEGACY Complete all recordings

Cirrus Touch a cloud

Not One Inch In Gorod Krovi, complete a Lockdown Event.

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

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion