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Spidery Point Destroy the Spider Boss on Arachnophobia, without destroying any of its mini guns.

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

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

Constellation Prize In IX, kill 9 zombies with a single uncharged shot from the Death of Orion

Sack the Postman Post all 6 invitations for the party.

Unnatural History Play a full game of Museum on Classic

Just Take the Pod Complete all New Horizon Expeditions.
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Going Up… In The Darkest Shore, unlock the Ubersprengen.

Sweet tooth! Play a full game of CandyLand on Classic

Career 100% Complete 30 different championships in your career

Magical! Play a full game of Twilight on Classic

You Have 5 Seconds to Comply Build a S.H.I.V

Tier One In a group of 4 finish an Operation on Challenge with 5 directives enabled.

Match Made in Hell In Blood of the Dead, complete a Gondola ride with the Warden

An honest mistake Kill an allied worm in an online match.

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

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

Birth of An Abomination Complete Root of All Evil

Archivist Find 30 of 61 News Pickups in the Single Player Campaign

Well, That Wasn't So Hard Complete all Team Adventure chapters on Hard difficulty.

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

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Team Player In Zombie Rush, obtain a Team Score of 500,000

At Least You'll Get A Trophy For It… Die while a Boss is Exploding

Tank Sympathizer Destroy both generators on Claustrophobia without killing a Tank.

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

A Just Cause Decide what to do with the Altered Biocell.

Ride the Lightning Build a Firestorm.

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

Bronze Time Earn a bronze Time Trial record on all tracks

Leave no Dead Man Behind Kill every zombie in the Park before leaving.

Derailed Complete The Places We’re Meant to Die

Remember Me? Deal the winning blow with a resurrected worm.

Gale Forces K.O. the opponent 25 times with an attack after a quick move.

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

Murder He Wrote Find all pieces of evidence behind the Saridakis murder.

Silver Time Earn a silver Time Trial record on all tracks

Kraken Unfettered In Voyage of Despair, kill 9 enemies with a single shot of the Kraken

The circle is now complete Get to Rank 100

Bigger They Are Complete Longest Yard

Supernova Earn every star in Team Adventure Mode Chapter 7.

Anchors aweigh! Play a full game of Pirate on Classic

Celestial Earn every star in Team Adventure Mode Chapter 6.

Star Power Earn every star in Team Adventure Mode Chapter 5.

Knock Knock Get Slaw to open the security door within the Palisade Blade.

Too Hot to Handle Complete the server chamber area without being detected by any HeatEye cameras or enemies.

Muppet Mastery Complete The Muppet pack's story

Can You Feel The Sunshine? Earn every star in Team Adventure Mode.

Pursuit of Obsession Quick Battle: defeated Harada TEKKEN.