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Collector Loot 10 Superior or Custom items.

Survivor Survive until Round 25 in Outbreak.

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

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

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

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

You Can Pet The Dog Pet a Hellhound in MWZ

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

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

The Completionist Achieve the highest score and fastest time in each memory of Assassin's Creed® Chronicles: China.

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

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

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

Annihilation Get 100 Elite Zombie Eliminations in Zombies

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

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.

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

Perkaholic Have 9 perks active at the same time in MWZ

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

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

King in the North Complete all Final Stand Assignments

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)

Not Your Usual Assassin Complete Assassin's Creed® Chronicles: India without killing anyone.

Invisible Master Complete Assassin's Creed® Chronicles: India in Plus Hard mode without being seen once.

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

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

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

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

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

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

Cyberized Research all Augments for 10 Items in Zombies

The End? Achieve the highest score and fastest time in each memory of Assassin's Creed® Chronicles: India.

Worst Nightmare Master the Worst Nightmare Dark Knight track

Reunion Visit another Player's Base

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

Hostile Witness Survive to wave 13 in Hostiles mode.

Flipper Flip the level 6 times in Protector mode

Stick It to the Man Kill 5 enemies by sticking Semtex to each one in any Operation.

A True Assassin Complete Assassin's Creed® Chronicles: Russia in Plus Hard mode without alerting any enemy.

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Stalact-tactician Takedown 2 enemies with one stalactite

For Auld Lang Syne Stop Freeze and bring Boyle to justice

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Bang-up Job Kill 15 enemies with RPG in ‘Three Point Landing’ Operation.

Mozambique Here! Ping a Shotgun in Battle Royale.

Boosted! Hold Super Boost for 15 seconds in Protector mode

Splicer God Complete the "Wrath of the Machine" raid on heroic difficulty.