Aragonius

Hot To Trot Last 30 seconds with 50+ zombies on fire.

Duel Master Win 20 Duel PvP matches.

Utility Man Complete all Missions intercepted from cellular tower signals

Breach Apprentice Win your first Breach match.

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

World Peace... For Now Beat the game on all difficulties.

Weapon Collector Collect 8 weapons!
"You got a full armoury!"

Escape Artist Escape from the Monkey Island™ Cannibals' hut 5 times.

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Hands and Hammers Defeat Estuary Tubal.

Red Shirt Kill the away team Zombie.

Progenitor and Protégé Defeat the Traitor.

Dark Room Beat the Dark Room

Circle of Life Complete 10 Food Chains in a single level

Swag Up Equip a Hero with Heroic Armor and Weapons in all Gear slots.

Guardian Angel Kill Satan with Maggy

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

The Relic Kill Isaac with Maggy

Clean out the Castle Get 100% of the treasure in any floor

Hack Hack an enemy.

An Exceptional Accomplishment Complete Story Mode at Realistic difficulty.

King and Kin Defeat the Immortal King.

Prequel to the Sequel Enter Topside.

Brawl Master Win 20 Brawl PvP matches.

The Bomb Bag Kill Satan with Cain

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Tomb Raider Collect all relics, artifacts and weapons

Recordkeeper Collect all of the notes and memos on Monkey Island™.

Graduation Complete Zombie Academy.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Artisan Craft 30 different items.

Seasoned Swashbuckler Complete the Gilded Steam Ship Adventure.

Networking Reach a 5-heart friend level with 10 people.

Salute Me Achieve the rank of Lieutenant.

Hoarder Have a total of at least 150,000 points in Echoes Mode's total high score

Professional Reach Rank 10 (Ranked Match)

Gest - Chapter XIII Finish the levels from Chapter XIII in Warrior difficulty

Uruku Defeat the Uruku variant.

I kill dead people Killed 40 ghosts in the Ancient Labyrinth

The Guillotine Kill Isaac with Judas

He knows what they did last era Found all eight audio notes in the Ancient Labyrinth

Golden God You are the best!

You're On Fire! Get 5 Kill Streaks of 5 kills in Elimination or Skirmish in PvP.

Judas' Tongue Kill Satan with Judas

The Coin Bag Kill Isaac with Cain