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

Still counting Attain a Time Trial star rating of 50

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

… and you shall find Find and unlock 110 Drop Zones in Alps

Chromatic Apparatus Refilled the colored tanks

The Sacrifice Completed Ending Two

Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Alright, Alright Survive until round 10 in Infection.

Survivor Survive until Round 25 in Outbreak.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

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

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

Smell You Later The punks are spooked and refuse to help you in your final quest

Unraveling the Landscape Some of these developed stone rows or processional walks that channelled the approach of both the dead and those wishing to commune with them.

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

A Prize Every Time Spend 5,000 Credits.

In the Game Play a women's football match

Mountain legend Complete 30 MOUNTAIN STORIES in Alps

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

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

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

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

Not a Cat Person? Jess resents you and refuses to help you in your final quest

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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Energize Disable the tesla reactor

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

The Tower Split up and infiltrated the Tower

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

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

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

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

Flatline Completed Ending Five

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Going Down in History Win the UEFA Champions League Final

Son of a Gun TOMCAT resents you

Bad Association Lexi resents you

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

Starlight, Star Bright Earn every star in Team Adventure Mode Chapter 4.

Better than Free Received more than 200 when landing on Free Parking

Threat Neutralized Get past the security ROMs without taking a scratch

No Heart To Break At the end of it all, you are resented by Turing.

Chapter 9 Speedrun Complete a Speedrun of Chapter 9 below the target time.

Reach For the Stars Earn every star in Team Adventure Mode Chapter 3.

Chapter IV Complete Chapter IV on any difficulty.

So Euro Enable European competition in the first season of Career

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