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Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

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

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

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

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

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

The First Harmonic Score your first harmonic in Needle Hills.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

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

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

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

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

Bronzed Complete the Bronze stage of all Skills

It's a Cover, Not a Hat Collect 20 hats on a single character.
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What Do We Say To the God of Death? Bandage yourself 3 times in one life

In the Game Play a women's football match

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

Ryder owns Goliath Complete the Plains of Goliath.

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

Heads Up! Kill 25 Heroes by attacking them from above in PvP.

It's Camouflage on Some Planet Collect 40 weapon colors on a single character.
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Street Fighter Complete all Dragon's Teeth Assignments

You Can Pet The Dog Pet a Hellhound in MWZ

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

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

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

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

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

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

High Wire Act Kill 10 enemies while using a zipline

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

Going Down in History Win the UEFA Champions League Final

Aim for the Stars Qualify for the UEFA Champions League last 16

Positive cash flow Complete a Financial objective in Career Mode

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Puppet Master Talk to the Press in Career Mode

Blue Lagoon Clean Sweep Complete all Sector Challenges in Blue Lagoon.

Keeper's Best Friend Prevent a goal with a sliding goal line clearance

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Kill 250 Enemies Kill 250 Enemies
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Song of Torukä Na'rìng Secure the song in Torukä Na'rìng.

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

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

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

So Euro Enable European competition in the first season of Career

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

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

Sniped In career mode, compete for the same player with other teams, and win the negotiation war

141 Ready Complete the campaign on Veteran