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

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

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

Straw Purchase Gift a Mystery Box Wonder Weapon to a teammate and have them accept it

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)

Score Monger Complete 30 challenges in one Interval

A Grayson Graduation Unlock Nightwing

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

An Endless Winter Complete Chapter Four

Can You Feel that Shield Power? Complete "Homebase Storm Shield Defense 6"

LEGACY Complete all recordings

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

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

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

Become a Superhero Complete "Hero Training - Stage 2"

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

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

The circle is now complete Get to Rank 100

141 Ready Complete the campaign on Veteran

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

Dipped in Gold Purchase all Safehouse and Player Upgrades in Campaign

Out of the Shadows Unlock Talia

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

Cyberized Research all Augments for 10 Items in Zombies

Launch the Rocket Complete all the Main Quests in Stonewood

Worst Nightmare Master the Worst Nightmare Dark Knight track

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

Half Dry Frobisher Says: "Figure it out from the title!"

Flipper Flip the level 6 times in Protector mode

Computer Privileges Change the screensaver on the Batcomputer

Delivery and Takeout Plant C4 in less than 60 seconds in ‘Self Destructive’ Operation.

Hostile Witness Survive to wave 13 in Hostiles mode.

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

"Gotham can feel a little safer." Prevent 30 Crimes
9/30

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

Softcore Complete half the game on hardest difficulty

Up for the Challenge Complete 20 Challenges
15/20

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

Boosted! Hold Super Boost for 15 seconds in Protector mode

Knightfall Complete Chapter Five

A Cautionary Tale Collect all the warning signs

Crack Shot Perform 10 head shots with the .357 Magnum in ‘OPS M.I.A.’ Operation.

Expert Manager Reach B-Spec Level 40.

"A hero can be anyone." Complete Story Mode

Walk the Plank! Complete "Plankerton Storm Shield Defense 1"

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

Case in Point Complete the Campaign on Veteran difficulty