IMYJC

Puzzler Rescue the third hostage from Riddler

Common Courtesy Discover and complete all unwritten tales on Iki Island.

Orphan of Kos Defeat Great One: Orphan of Kos.

Aggravated Assault Stop all assaults in Arkham City

Cursed Gold Achieve 5 Gold Awards.

Speed Kills Destroyed a Lancer while in a Racer

Laurence, the First Vicar Defeat the beast that was once Laurence, the First Vicar.

Fully Loaded Collect all of Batman's gadgets and upgrades

Team Play Kill an enemy with a headshot while they are being harassed by Senu (The Hidden Ones)

50x Combo Complete a combo of 50 moves (any play mode, any character)

Prison Break Free 20 Rebels (The Hidden Ones)

Goodie Monster Find all the Evidence Collectibles.

The Greater Good Complete Main DLC Quest "The Greater Good" (The Hidden Ones)

Old Hunter's Essence Acquire all old hunter weapons.

Throwback Use the Standard or Accelerato Boost with Octane or Backfire while playing in Urban Central

Surgical Strikes Assasinate Tacito, Ptahmose and Ampelius (The Hidden Ones)

Walls of the Ruler Complete the Walls-of-the-Ruler citadel (The Hidden Ones)

I'm Not Kissing That Kill the prince cursed into a toad.

Hot Shot, Part Two Win the MVP award using Backfire, Scarab, or Zippy

New Recruits Complete Side DLC Quests "Rise of Shaqilat" and "Shadows of the Scarab" (The Hidden Ones)

Freeflow Perfection Perform a perfect combo including all of Batman's combat moves (any play mode)

Predator Gold Achieve 24 medals on predator challenges

Depot Demolition Destroyed Lance Depot

Making Waves Reach Driver Level 15

Don't Look Back Use the Thermal, Burnout, or Nitrous Rocket Boost for a total of 10 minutes

What Time is It? Perform a leap of faith from Arsinoe's sundial obelisk between 10 am and noon (The Hidden Ones)

Knoxx-Trap Killed General Knoxx-trap

Steele-Trap Killed Commandant Steele-trap

Ned-Trap Killed Dr. Ned-trap

Muerte la robo-lución Killed the Interplanetary Ninja Assassin Claptrap

Catch Me If You Can! Earn 5 Relics.

Zip it Off Perform 3 Assassinations from a zipline (The Hidden Ones)

Cortex's Crazed Contest Earn the Key in Sunset Vista.

Gotham Base Jumper Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Project Comet Craft an upgrade using Shards of a Star (The Curse of the Pharaohs)

Another Side of the Story Complete the Campaign on any difficulty.

Grand Opening Purchase something from Baku the Voiceless in New Game+.

Higher Power Reach level 55 (The Curse of the Pharaohs)

Rad Steez, Bro! Slide downhill uninterrupted for at least 10 seconds.

Lift the Curse Defeat Tutankhamun in the Afterlife (The Curse of the Pharaohs)

Pyromaniac Kill a Mummy by setting it on fire (The Curse of the Pharaohs)

Intellectual Rescue the fourth hostage from Riddler

The Witcher's Gone South Travel to the Duchy of Toussaint.

Damage Control Win a Dropshot match via shutout

Down in the Briney Took a Bathysphere ride in Burial at Sea - Episode 1.

Dark Horse Acquire Eternal Maw for use outside the Afterlifes (The Curse of the Pharaohs)

Sting in the Tale Complete the 5 Serqet locations (The Curse of the Pharaohs)

Cuckoo for Incarceration Rescue your friend.

Pacta Sunt Servanda Finish the "Hearts of Stone" expansion.

Psycho-Master Exploder Demolish 3 opposing bots in Wasteland