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

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

The Bereaved Unlock Wendy

Views From the Abyss STU: Complete "The Spider's Thread" mode.

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

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

Silver Time Earn a silver Time Trial record on all tracks

Not a chicken! Clear 10 secondary missions.
"You mission freak!"

Sack the Postman Post all 6 invitations for the party.

The epitome of Super Earth Complete all Trophies.

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Wander and the Forbidden Clear the game in hard difficulty

Interagency Task Force Play through one entire mission with two other live players.

Elimination Master Win 20 Elimination PvP matches.

Test Subjects Use sheep as test subjects in 6 levels

Spy vs. Spy In cooperative mode, prevent 10 attempts of picking up secret items.

Medium Rare Kill Belyash

I've Got Your Back! Save an ally 50 times in 4v4 PvP matches.

Real men don't need a map Just in case you picked up a shielding map

Endangered Lizards Killed all shining lizards

Ground Pounder Complete Ground Combat Training.

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

Bullet dodger During highway chase on Disco level successfully avoid all rockets.

Psychological warfare Manipulated the Keeper's magic schools

Climber Reached top of the shrine

Muppet Mastery Complete The Muppet pack's story

Showʼs Over Kill Natasha

Steamroller Achieve a win streak of 5 ranked online games.

Over the Edge Unlock all other trophies

Ride the Lightning Build a Firestorm.

Level 21 Unlock all weapons in the campaign mode.

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

Deadly Ballet In a three-player co-op game, make sure everyone scores at least one kill during Team Entry.

King in the North Complete all Final Stand Assignments

Sky Runner Unlock Titan Sky

The Bay Of Pigs Survived an invasion from the USA

Mighty Wander Max out stamina bar

Ladder Goat Find Ladder Goat movie on the Fort level.

Respect for the dead Plundered all four resting places

As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission.

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

LEGACY Complete all recordings

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

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

Back to the Past Completed "Back to the Past"

King of King of the Screen Reach King of the Screen level 6

Curtain Finish a theater performance

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!"

Fatal and Tragic Jump off the Golden Gate Bridge in Chapter 7: Golden Gate