JagoCaesar

Ring Ring Answer a ringing phone

Distress Flare Answer the call for help

IQ Test Solve the first riddle

Stop the Clock Time is running out

Conundrum Rescue the first hostage from Riddler

Broken Toys Destroy it all

Bargaining Chip Reunite the separated couple

Dial Z For Murder Stop the phone booth killer

Mastermind Rescue the second hostage from Riddler

Forensic Expert Collect enough evidence to locate the gun for hire

Contract Terminated Stop the contract operative

Statistical Advantage View Your Hero Card

Catch Find someone to play remote Batarang catch with

Mystery Stalker Reveal the mystery watcher

Pay Your Respects A moment of remembrance

Serial Killer Track down the serial killer

Looking Good! Equip a new Character Portrait

AR Knight Complete all augmented reality training exercises

Iconic Representation Equip a new Icon

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

Puzzler Rescue the third hostage from Riddler

I Can Back it Up Equip a new Background Image

Aggravated Assault Stop all assaults in Arkham City

Fully Loaded Collect all of Batman's gadgets and upgrades

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

It Has Begun Complete 1 S.T.A.R. Lab Mission

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

Overachiever Get 3 stars on 1 S.T.A.R. Lab Mission

Intellectual Rescue the fourth hostage from Riddler

Justice for All Complete 100% of Story Mode

Novice Art Collector Obtain 1 piece of Treasure Art.

Flawless Freeflow Fighter 2.0 Complete one combat challenge without taking damage (any character)

Cosplay Unlock a costume in the Archives

Brainteaser Rescue the fifth hostage from Riddler

Rise to the Top Complete Classic Battle with any character

Go Sit in the Corner Win a multiplayer match with a timeout

Royal Orb Retrieve the royal orb.

Genius Rescue all the hostages from Riddler

Gonna Need More Closet Space Unlock All costumes in the Archives

Purify the Sanctuary Replace the holy seal.

Storyteller Have 12 murderous dates with Calendar Man

Rune Stones Acquire the rune stones.

Draconic Dissertations Acquire research on the Ancient Dragon.

Tourist Send an opponent through all three Metropolis transitions in one fight

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

Dabbling Collector Obtain 5 pieces of Treasure Art.

True Marksman Win a match with Green Arrow using only arrows

Got 'Em Destroy all Mr. Raccoons hidden in The Ghost Survivors mode.

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Talisman Obtain a talisman.