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Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Sack the Postman Post all 6 invitations for the party.

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

High Wire Act Kill 10 enemies while using a zipline

For Science! Win three games as the Scientist character

Sharp Shooter Win three games as the Cowgirl character

Hero of the Sands Complete the Aladdin world.

Annihilation Get 100 Elite Zombie Eliminations in Zombies

Xenophobe Kill a UFO!

Master Play fifteen games

The City Awaits Leave Act Two - Baldur's Gate is just over the horizon.

Muppet Mastery Complete The Muppet pack's story

Forged in Blood and Fire Craft an item in the Adamantine Forge.

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

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

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

Freeze! Defeat 5 enemies using a single Snowman power-up.

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.

Rage Uncaged As Wolverine, land 3 KOs with a single use of Last Stand.

Perkaholic Have 9 perks active at the same time in MWZ

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

Insert Coin Complete all achievements in one game from The Arcade.

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

King in the North Complete all Final Stand Assignments

Justice for All! As Captain America, land 3 KOs with a single use of Freedom Charge.

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

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

Cirrus Touch a cloud

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

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

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

Let it Snow Receive the Extreme Environment Suit (XE Suit)

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

Sorcerer's Apprentice Win three games as the Magician character

Joy of Painting with Bomberman Claim 130 or more tiles in a Local Zombie match against 3+ CPU players.

Stellar Performer Win three games as the Spaceman character

The circle is now complete Get to Rank 100

Balancing Act Balance another sackperson on an object while lifting it with touch.

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

Saviour of the Universe! Complete all of the worlds.

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

141 Ready Complete the campaign on Veteran

Taking Blood Steal the Blood of Lathander from underneath Rosymorn Monastery.

Cyberized Research all Augments for 10 Items in Zombies

Worst Nightmare Master the Worst Nightmare Dark Knight track

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Indomitable Spirit Answer first and correctly after being hit by a Gloop, Freeze and Bomble in the same question