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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)

Crowd Pleaser Fill your Rock Meter all the way

Basic Training Complete the Training Mission.

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

Pure Pawn In single player Story mode, sell 10000 credits worth of items or ammunition.

Peacemaker Complete the Game on Hardcore.

Poly Cruncher Complete "Poly Cruncher" challenge

Home Wrecker Use 50 pieces of interactable cover.

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

Knowledge is Power Collect all logs through out the game.

Mayhem Maker Cause mayhem during the Prelude.

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

Grease Monkey Grease Monkey - Upgraded all weapons

Starry-eyed Earn every star in Team Adventure Mode Chapter 2.

Ethereal Spike Obtain the Ethereal Spike artifact.

Whoo-paah! Complete "Whoo-paah!" challenge

Turkey Shoot Reach combo level of 20.

Aerial Threat Score a header with a player with the Aerial Threat Speciality

Beast Master Rode every animal in the world

Ramped Up! Complete a Getaway Activity in a Car Transporter

Salute Me Achieve the rank of Lieutenant.

Career 75% Complete 23 different championships in your career

Camper Use the camp at least 25 times.

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

Dark Void 100% Complete Earn all trophies

Vapours Win a Refuel event with an empty tank (no teams)

Happy Trails Complete By the Trail of Our Dead

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

Now THIS is a Knife Kill 30 enemies using kill moves. (Single Player)

Still counting Attain a Time Trial star rating of 50

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

Duct Tape FTW Create all combo weapons

Collateral Damage Destroy 30 EyeScouts and Helicopters in Ginormica’s levels in Coop.

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

Pest Control Complete Crow Hunting quest

Attack of Boomer V Destroy 5 enemies at once using a Boomer

Queensbury Rules Perform 150 takedowns

Speed Reader Complete an ‘Ancient Tales’ Layout in less than 2 minutes

No Compromise, No Regrets You battled for Caracas

Testing the Fences Break 20 panes of glass

Developmental Graduate Complete the TRAINING CHECKLIST.

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.

It Did Not Pass Defeat the Balrog

Siege of Minas Tirith Complete the Minas Tirith level in the single player "War of the Ring" Campaign.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Full Arsenal Buy all upgrades for all characters (Green nodes).

Biomech Sweeper Complete "Biomech Sweeper" challenge

Kill Rust Find Rust and kill him.

The Hero and the Madman You completed Mercenaries 2